The immune system is your body's defense system. It protects you from bacteria and viruses by producing the immune response, which involves many tissues, organs and cells including, lymph nodes, the spleen, and antibodies. Immune supplements can help support this system and keep it running smoothly.
Benefits of immune system supplements
Immune system supplements provide your body with added defense against bacteria and viruses that may harm it and make you sick. Vitamin or mineral deficiency may hinder immune system function, so taking relevant supplements may help remedy the problem, for example.
Key supplements
Colostrum
Immune System
This milky fluid that originates from mammal breasts (including humans) following the birth of a baby, before actual milk comes. In addition to proteins, carbohydrates, fats, vitamins, and minerals, colostrum is a rich source of antibodies that fight bacteria and viruses. It can have 100 times the level of antibodies than cow's milk. Researchers created hyperimmune bovine colostrum that comes from cows vaccinated against organisms that cause disease. It has been used in clinical trials to treat diarrhea associated with AIDS [1], and can also help athletes avoid getting sick while taking a breaks from intense training.[2] Research is mixed regarding the ability of cow colostrum to improve immunity in humans, however.[1]
Lactoferrin
This protein is found in colostrum -- in both human and cow's milk. Colostrum has about seven times as much lactoferrin as actual breast milk. Lactoferrin is also in eye, nasal, intestinal, and respiratory tract fluids. It serves as an antioxidant, guarding against infection. It is said to stimulate the immune system and regulates the immune response, but more research is needed to confirm effectiveness as an immunostimulant.[3,4,5]
Artemisinin
This antiseptic, anti-inflammatory, and antibacterial agent comes from the herb Artemisia annua. It's mostly used to treat malaria. Research shows that it is not an effective immune system stimulator.[6,7,8]
Other potential immune boosters
Many vitamins, minerals, and other substances may play an important role in immune system function. Here is a sampling.
Vitamins
Vitamin | How Does It Improve Immune System? |
|---|---|
A | Treats vitamin A deficiency, a disorder that significantly alters immunity (for example, impairs antibody response). More studies are needed to understand its effect on immunity.[14,40] |
B2 (Riboflavin) | This antioxidant helps prevent cell and DNA damage that may lead to illness, such as cancer. It helps build healthy red blood cells. B2 is needed to convert B6 and folate into usable forms. (See below for more information on B6 and folate's roles in immunity.)[32] |
B6 (Pyridoxine) | Its status influences tumor growth. Aids antibody production. Aids function and growth of white blood cells that fight infection.[37] |
B12 (Cobalamin) | Works with folate to make S-adenosylmethionine, a natural anti-inflammatory compound in the body. Regulates immune responses.[30,31] |
C (Ascorbic acid) | Protects against immune system deficiencies. May help prevent cold-related complications such as pneumonia and lung infection.[9] Helps increase blood antibodies.[22] |
D | Helps activate T-cells, which destroy invading organisms such as bacteria. Treats vitamin D deficiency. [19] |
E | Regulates immune functions. Aids T-cell function.[10] Treats vitamin E deficiency.[11] |
Minerals
Mineral | How Does It Improve Immune System? |
|---|---|
Iron | Involved in making healthy, oxygen-rich red blood cells. Without proper levels of oxygen, fatigue sets in which can potentially hinder the immune system's ability to fight infection.[28,29] |
Magnesium | Helps regulate immune function. Enhances antiviral immune responses.[17,18,23] |
Selenium | Protects cells from damage and infection. [35] Enhances immune function. [34] |
Zinc | Regulates immunity. Involved in innate (general, immediate response) and adaptive (invader-specific, delayed response) immunity. Levels affect T-cell function.[15,16,20] |
Herbs
Herb | How Does It Improve Immune System? |
Ginseng | Combats fatigue, but there isn't enough evidence to support immune system benefits.[12,13] |
Echinacea | Extracts seem to shorten severity and duration of colds/upper respiratory infections if given as soon as symptoms appear. May inhibit tumor growth. More research is needed.[13] |
Astragalus | Strengthens and regulates the immune system by boosting antibody and white blood cell (T-cell and macrophage, for example) production.[13] |
Garlic | May strengthen the immune system. Helps fight infection, and reduce or prevent cell damage.[27] |
Milk thistle | Hinders growth of some tumors. Stimulates the immune system.[26] |
Miscellaneous
What is it? | How Does It Improve Immune System? | Other Notes on Improvements |
|---|---|---|
Probiotics, Prebiotics, Synbiotics | Pro: "good" bacteria the body needs to maintain health. Pre: nutrients that aid probiotic growth. Syn: supplement with both pre- and probiotics.[36] | All regulate the immune response. Probiotics aid invader destruction. Prebiotics influence the gut immune system by stimulating your body's "good" bacteria. Prebiotics also prevent allergies.[21] Synbiotics contain pro- and prebiotics that work together to help maintain healthy bacteria levels in the intestines.[36,38] |
Fish oil and omega 3 | Fish oil is a product rich in omega 3 fatty acids that can enhance health.[39] | Omega 3 fatty acids in fish oil can help boost the immune system by aiding B cell (a type of white blood cell) activation and boosting antibody production.[39] |
Beta-carotene | One of a group of pigments called carotenoids -- a source of vitamin A.[25] | Boosts immune cell function. Enhances immune response, particularly in older adults.[24] Carotenoids supply about 50% of recommended dietary vitamin A in the U.S.[24,25] |
Safety concerns and side effects
Cow colostrum can cause potential side effects including nausea, vomiting, and reduced red blood cell count, especially in people with HIV.[1]
Avoid cow colostrum, ginseng, and beta-carotene if you are pregnant or breast feeding.[1,12,25]
Adult women shouldn't exceed 10,000 units of vitamin A daily when pregnant or breast feeding. Vitamin A can cause birth defects.[14]
Avoid mixing alcohol with vitamin A to help avoid liver problems. Don't take vitamin A if you have liver disease.[14]
Avoid mixing alcohol with beta-carotene since alcohol reduces levels of beta-carotene. Also avoid olestra (a fat substitute) since it interferes with beta-carotene levels.[25]
Don't give ginseng to children. Ask your child's doctor before administering garlic as well.[12,27]
Side effects of garlic include stomach upset, bloating, bad breath, body odor, stinging sensation, headache, fatigue, muscle aches, rash, or asthmatic reaction.[27]
Artemisinin (Sweet Annie) may not kill malaria parasites, but may just inactivate them without using stronger artemisinin-containing malaria drugs with it.[8]
Avoid vitamin A supplements if you have type V hyperlipoproteinemia (a type of high cholesterol). It can boost chances of vitamin A poisoning.
Avoid cow colostrum if you are allergic to milk products.[1]
Diarrhea is a side effect of lactoferrin. Excessive dosages bring on such side effects as skin rash, fatigue, and chills.
Lactoferrin from food is safe if you are pregnant and breast feeding, but don't take medicinal dosages.
Ginseng may cause headaches, upset stomach, and dizziness. It may also cause breast tenderness and changes in a woman's menstrual cycle.[12]
Recommended duration of ginseng usage is a few week to a few months at a time to avoid potential side effects.
Topical vitamin E may cause skin irritation.
Beta-carotene may be unsafe in high doses, especially when used long-term.
High doses of antioxidants could do more harm than good. Consult your doctor before use.
Don't take beta-carotene if you smoke or have been exposed to asbestos because it may increase the chances of developing cancer.
Don't take beta-carotene before or after angioplasty since it might interfere with the healing process.
High doses of B1 (thiamine) may cause stomach problems.
High doses of B2 (riboflavin) can cause side effects including itching, numbness, yellow/orange urine, and light sensitivity.
Taking a non-acidic, buffered form of vitamin C may help avoid stomach irritation.
Don't take more than 2000mg of vitamin C daily. Higher amounts could cause upset stomach and diarrhea.
Don't take more than 10,000 units per day of vitamin A. Higher doses may cause hip fractures and osteoporosis in older adults, and increased risk of death.
Side effects such as fatigue, irritability, anorexia, nausea, vomiting, and excessive sweating can result from long-term consumption of vitamin A.
Tell your doctor if you're taking garlic. It may cause bleeding, so discontinue it at least two weeks before surgery.
Medication Interactions
The following are some specific medication interactions involving various immune system supplements, but to be safe, ask your doctor before starting supplemental therapy if you're on any medications.
Ask your doctor before taking vitamin E or garlic if you are on blood thinners.
Don't take ginseng without talking to your doctor first if you're taking diabetes medication.
Garlic may reduce the effectiveness of birth control pills, Isoniazid (tuberculosis medication), cyclosporine (post-organ transplant medication), blood thinners, ibuprofen, naproxen, and HIV/AIDS medication.
Vitamin A may interact with retinoids (medications for skin conditions), tetracycline antibiotics, medications that may harm the liver, and blood thinners.
Avoid taking beta-carotene, vitamin C, vitamin E, and selenium together since the combination may hinder cholesterol lowering medication and B3 (niacin) effectiveness.
Vitamin D interacts with a variety of medications including prednisone, cholestyramine, and phenobarbital.
Don't take vitamin B2 if you are on medications including tetracycline, tricyclic antidepressants, water pills, and many others.
Don't mix B1 with digoxin (reduces heart cells' ability to use B1), water pills (reduces B1 levels in the body), or phenytoin (reduces B1 levels).
Don't take selenium with cisplatin, a cancer medication. If you are on any medications, have your selenium levels checked regularly.
B12 levels can be reduced by anti-seizure, chemotherapy, cholesterol lowering, diabetes, and stomach-acid reducing medications as well as colchicine (treats gout). B12 can hinder tetracycline antibiotic absorption and effectiveness, so avoid taking them together.
Considerations
Dosages vary depending on age, diagnosis, and other factors. Contact your doctor, holistic health professional, or registered dietician for more information before taking supplements or giving them to children.
The American Heart Association and American Dietetic Association recommend adding more fruits and vegetables to your diet before trying supplements, since you get more varied nutrients from food.
Taking a B complex vitamin that has all B vitamins, rather than just one particular B vitamin, can help avoid a vitamin B imbalance.
- Always buy supplements from a reliable, respected source. Quality and active ingredients vary, making standard dosing difficult. Ginseng, for example, is expensive, so some manufacturers may skimp on the amount used in their products while claiming a higher potency on the bottle.
- Take B2 (riboflavin) between meals.
- Beta-carotene supplements aren't recommended for general use.
References
1. WebMD.com; Colostrum
2. Center for Nutritional Research; Colostrum and Athletic Performance
3. WebMD.com; Lactoferrin
4. Actor JK,; et. al.; Current Pharmaceutical Design; "Lactoferrin as a Natural Immune Modulator;" 2009
5. Legrand D,; et. al.; Cellular and Molecular Life Sciences; "Lactoferrin: A Modulator of Immune and Inflammatory Responses;" 2005
6. Rogers K.; Encyclopaedia Britannica; "Artemisinin;" 2009
7. Tawfik AF, et. al.; International Journal of Immunopharmacology; "Effects of Artemisinin, DihydroArtemisinin and Arteether on Immune Responses of Normal Mice;" 1990
8. WebMD.com; "Sweet Annie"
9. Kathleen Zelman, MPH, RD, LD; WebMD.com; "The Benefits of Vitamin C: What Can Vitamin C Do For Your Health?;" 2008
10. Vitamins and Hormones; "Vitamin E and Immunity;" Moriguchi S, Muraga, M, 2000
11. WebMD.com; "Vitamin E"
12. WebMD.com; "Ginseng Supplements"
13. Block KI; Integrative Cancer Therapies; "Immune System Effects of Echinacea, Ginseng, and Astragalus: A Review;" 2003
14. WebMD.com; "Vitamin A"
15. Haase H, Rink L.; BioFactors; "Zinc Signals and Immune Function;" 2013
16. WebMD.com; "Zinc"
17. Office of Dietary Supplements; "Magnesium"
18. Laires MJ, Monteiro C; Magnesium Research; "Exercise, Magnesium and Immune Function;" 2008
19. Office of Dietary Supplements; "Vitamin D"
20. The University of Arizona; The Biology Project; "Introduction to Immunology Tutorial: Innate vs. Adaptive Immunity;" 2000
21. Gourbeyre P., et. al.; Journal of Leukocyte Biology; "Probiotics, Prebiotics, and Synbiotics: Impact on the Gut Immune System and Allergic Reactions;" 2011
22. National Institutes of Health; "Vitamin C and the Immune System"
23. National Institute of Allergy and Infectious Diseases; "Magnesium Supplements May Reduce Viral Infection in "XMEN" Patients;" 2013
24. Hughes DA.; The Proceedings of the Nutrition Society; "Effects of Carotenoids on Human Immune Function;" 1999
25. National Institutes of Health; MedlinePlus; "Beta-carotene"
26. Wilasrusmee C, et. al.; Medical Science Monitor; "Immunostimulatory Effect of Silybum Marianum (Milk Thistle) Extract;" 2002
27. University of Maryland Medical Center; "Garlic;" Updated 2013
28. Ward RJ, et. al.,; Journal of Neural Transmission; "Iron and the Immune System;" 2011
29. Watson, Stephanie; WebMD.com; "What You Need to Know About Iron Supplements;" 2011
30. University of Maryland Medical Center; "Vitamin B12 (Cobalamin);" Updated 2013
31. Tamura J, et. al.; Clinical and Experimental Immunology; "Immunomodulation by Vitamin B12: Augmentation of CD8+ T Lymphocytes and Natural Killer (NK) Cell Activity in Vitamin B12-Deficient Patients by Methyl-B12 Treatment;" 1999
32. University of Maryland Medical Center; "Vitamin B2 (Riboflavin);" Updated 2013
33. University of Maryland Medical Center; "Vitamin B1 (Thiamine);" Updated 2013
34. Gill, Harsham, Walker, Glen; Wiley Online Library; "Selenium, Immune Function and Resistance to Viral Infections;" 2008
35. Office of Dietary Supplements; "Selenium"
36. de Vrese M, Schrezenmeir J.; Advances in Biochemical Engineering/Biotechnology; "Probiotics, Prebiotics, and Synbiotics;" 2008
37. Rall LC, Meydani SN.; Nutrition Reviews; "Vitamin B6 and Immune Competence;" 1993
38. California Dairy Research Foundation; "About Probiotics"
39. ScienceDaily; "Nothing Fishy About It: Fish Oil Can Boost the Immune System;" 2013
40. Semba RD.; Clinical Infectious Diseases; "Vitamin A, Immunity, and Infection;" 1994
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YouTube Video
FIRST RESPONSE: NutraBio / Mark Glazier Give Back to First Responders -
Apr 20, 2020 ![]()
Product News
Airborne Original Vitamin C was created.
Category: Immune System Supplements -
Apr 20, 2020 ![]()
Product News
Alacer Emergen-C Elderberry was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Apr 20, 2020 ![]()
Product News
Nature Made Elderberry Gummies was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Apr 20, 2020 ![]()
Product News
Source Naturals Wellness Colloidal Silver Nasal Spray was created.
Category: Immune System Supplements -
Apr 20, 2020 ![]()
Product News
Sambucol Black Elderberry Sugar-Free was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Apr 19, 2020 ![]()
Product News
Sambucol Black Elderberry was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Apr 19, 2020 ![]()
Product News
Futurebiotics Elderberry Extract was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Apr 18, 2020 ![]()
Product News
Source Naturals Wellness Zinc Lozenges was created.
Categories: Immune System Supplements, Zinc -
Apr 18, 2020 ![]()
Product News
Source Naturals Wellness Zinc Throat Spray was created.
Categories: Immune System Supplements, Zinc -
Apr 18, 2020 ![]()
Product News
Source Naturals Zinc was created.
Categories: Immune System Supplements, Zinc -
Apr 18, 2020 ![]()
Product News
Nature's Plus AgeLoss Immune Support was created.
Category: Immune System Supplements -
Apr 18, 2020 ![]()
Product News
Nature's Plus ImmunActin Zinc Lozenges was created.
Category: Immune System Supplements -
Apr 18, 2020 ![]()
Product News
Optimum Nutrition Immunity + Probiotic Gummies was created.
Category: Immune System Supplements -
Apr 18, 2020 ![]()
Product News
Source Naturals OptiZinc was created.
Categories: Immune System Supplements, Zinc -
Apr 15, 2020 ![]()
Product News
Gaspari Nutrition Proven Immunity was created.
Category: Immune System Supplements -
Apr 11, 2020 ![]()
YouTube Video
What is EpiCor? NutraBio EpiCor Supplement Ingredient Explained! -
Apr 09, 2020 ![]()
Blog Post
NutraBio IMMUNE: All-In-One Immune System Support Supplement!
NutraBio IMMUNE is here to to support your immune system, with EpiCor, immune-boosting vitamins, and high-end TRAACS minerals from Albion. -
Apr 08, 2020 ![]()
Product News
NutraBio Immune was created.
Category: Immune System Supplements -
Apr 07, 2020 ![]()
Blog Post
Alpha Lion SuperHuman Armor Equips Your Immune System For Battle
Alpha Lion SuperHuman Armor is a next-generation IMMUNE Supplement built to keep you up and moving. With high-end zinc, echinacea, EpiCor, & more! -
Apr 07, 2020 ![]()
Product News
Alpha Lion SuperHuman Armor was created.
Category: Immune System Supplements -
Apr 06, 2020 ![]()
Blog Post
Glaxon SuperShroom Levels Up Your Health And Recovery!
Glaxon SuperShroom brings a super mushroom supplement blend to capsule form! You saw it appear in SuperGreens, but it deserves its own product too! -
Apr 05, 2020 ![]()
Product News
Antaeus Labs Optimized Zinc Acetate Lozenges was created.
Categories: Immune System Supplements, Zinc -
Apr 04, 2020 ![]()
Product News
Source Naturals Wellness cold & flu was created.
Categories: Cold and Flu Remedies, Immune System Supplements -
Apr 02, 2020 ![]()
Blog Post
NutraBio EpiCor: The “Multi-Vitamin” For Your Immune System
NutraBio EpiCor is an immune system boosting supplement. EpiCor (dried yeast fermentate) stands out with a far different way of approaching immunity! -
Apr 02, 2020 ![]()
Product News
NutraBio EpiCor was created.
Category: Immune System Supplements -
Mar 27, 2020 ![]()
Product News
Hi-Tech Pharmaceuticals Zinc Lozenges was created.
Categories: Immune System Supplements, Zinc -
Mar 23, 2020 ![]()
YouTube Video
SteelFit Steel Greens Review: Your GREENS Powder Deserves Some REDS! -
Mar 23, 2020 ![]()
Blog Post
Home Made: Axe and Sledge Makes MRPs Great Again
There are very few well formulated meal replacement powders on the market, so Axe and Sledge decided it was time to fill the gap with Home Made! -
Mar 18, 2020 ![]()
Product News
Garden of Life Immune Balance Yeast was created.
Category: Immune System Supplements -
Mar 12, 2020 ![]()
Product News
NOW Sambucus Zinc-C was created.
Categories: Immune System Supplements, Zinc -
Feb 18, 2020 ![]()
Product News
Hi-Tech Pharmaceuticals Black Elderberry was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Feb 07, 2020 ![]()
Product News
Like a Pro Supplements Complete Health was created.
Category: Immune System Supplements -
Jan 21, 2020 ![]()
Product News
Ortho Molecular Cystistatin was created.
Category: Immune System Supplements -
Jan 20, 2020 ![]()
Product News
Ortho Molecular SBI Protect was created.
Category: Immune System Supplements -
Jan 18, 2020 ![]()
Product News
Ortho Molecular Viracid was created.
Category: Immune System Supplements -
Jan 18, 2020 ![]()
Product News
Ortho Molecular Inflamma-bLOX was created.
Category: Immune System Supplements -
Jan 18, 2020 ![]()
Product News
Ortho Molecular IgG Protect was created.
Category: Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus (Max Potency) was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus NightTime was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus (Organic) was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus Soothing Hot Drink Mix was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus Fizzy was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Umcka ColdCare Kids was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Umcka Intensive Cold + Flu Syrup was created.
Categories: Cold and Flu Remedies, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus Sugar-Free Syrup was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus Elderberry Vitamin C was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements, Vitamin C -
Jan 17, 2020 ![]()
Product News
Nature's Way Sambucus FluCare was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jan 16, 2020 ![]()
Product News
Ortho Molecular Sinatrol was created.
Category: Immune System Supplements -
Jan 16, 2020 ![]()
Product News
Ortho Molecular InflammaCORE was created.
Category: Immune System Supplements -
Jan 16, 2020 ![]()
Product News
Ortho Molecular Reacted Zinc was created.
Categories: Immune System Supplements, Zinc -
Jan 16, 2020 ![]()
Product News
Ortho Molecular NK-Stim was created.
Categories: Immune System Supplements, Nattokinase -
Jan 16, 2020 ![]()
Product News
Ortho Molecular Imu-Max was created.
Category: Immune System Supplements -
Jan 16, 2020 ![]()
Product News
Ortho Molecular Natranix was created.
Category: Immune System Supplements -
Jan 16, 2020 ![]()
Product News
Ortho Molecular WholeMune was created.
Category: Immune System Supplements -
Dec 29, 2019 ![]()
Product News
Vital Choice Daily Immune Support was created.
Category: Immune System Supplements -
Dec 10, 2019 ![]()
Product News
Total Body Research Labs Gutlove was created.
Category: Colostrum -
Nov 24, 2019 ![]()
Product News
SNS Immune Support XT was created.
Category: Immune System Supplements -
Nov 21, 2019 ![]()
Product News
Source Naturals Wellness Herbal Resistance Liquid was created.
Category: Immune System Supplements -
Nov 07, 2019 ![]()
Product News
Super Nutrition Super Immune was created.
Category: Immune System Supplements -
Sep 24, 2019 ![]()
Blog Post
MFIT Victus: A Hunger-Defeating, Comprehensive MRP!
MFIT SUPPS Victus is a quality meal replacement powder with excellent macronutrients! Victus is here to help keep your nutrition solid on the go! -
Sep 06, 2019 ![]()
Product News
Source Naturals NK-3 Immune was created.
Category: Immune System Supplements -
Jul 13, 2019 ![]()
Product News
NOW Extra Strength Beta-Glucan was created.
Category: Beta Glucan -
Jul 02, 2019 ![]()
Product News
Sambucol Original Liquid was created.
Categories: Cold and Flu Remedies, Elderberry, Immune System Supplements -
Jun 23, 2019 ![]()
Product News
NOW Opti-L-Zinc was created.
Categories: Immune System Supplements, Zinc -
Jun 23, 2019 ![]()
Product News
NOW Zinc was created.
Categories: Immune System Supplements, Zinc -
Jun 23, 2019 ![]()
Product News
NOW Elderberry & Zinc Lozenges was created.
Categories: Immune System Supplements, Zinc -
Jun 17, 2019 ![]()
Product News
Irwin Naturals Pure Defense Mushroom-8 was created.
Categories: Immune System Supplements, Mushrooms -
Jun 10, 2019 ![]()
Blog Post
SteelFit Steel Multi-V: The Dieter’s Multivitamin Drink
SteelFit Steel Multi-V is a multivitamin multimineral powder drink mix that brings HUGE doses of diet-supporting nutrients. Fight insulin resistance! -
May 15, 2019 ![]()
YouTube Video
RECOVER LIKE AN ELITE: EndurElite SLEEPELITE Sleep Aid -
May 13, 2019 ![]()
Blog Post
EndurElite SleepElite: Intense Sleep & Recovery For Intense Athletes
EndurElite SleepElite is an excellently-formulated sleep aid that sports better sleep and recovery for athletes, with herbs, minerals, and aminos! -
Apr 09, 2019 ![]()
Blog Post
Primeval Labs Glory MV: Multivitamin / Minerals for the Masses
Primeval Labs Glory MV is a basic multivitamin / multimineral to cover your dietary bases, and includes some awesome mineral support thanks to TRAACS! -
Mar 18, 2019 ![]()
Blog Post
Men’s Fertility Supplements: The Ferodrox-Driven Male Fertility Stack
With fertility supplements for men, there's one supplement with four of the six ingredients we like: Kaged Muscle Ferodrox! Then add Maca and DAA! -
Nov 15, 2018 ![]()
Blog Post
Olympus Labs Sup3r PCT: The One-Stop PCT Shop Upgraded!
Olympus Labs Super PCT has been given an upgrade, removing the D-Aspartic Acid and making room for tons of beneficial post cycle support ingredients! -
Nov 12, 2018 ![]()
Blog Post
Genius Mushrooms: Three Species for Full-Spectrum Benefits
Genius Mushrooms: Three well-researched mushroom species to provide caffeine-free energy, boost immune function, and increase cognitive performance -
Sep 26, 2018 ![]()
Blog Post
Kaged Muscle Ferodrox: The HONEST Testosterone Booster
Kaged Muscle Ferodrox is what they say it is - a phenomenal testosterone support matrix, in just two capsules per day, with four patented ingredients! -
Aug 24, 2018 ![]()
Blog Post
EVL Z-Matrix – An (EVL) Genius Idea: ZMA with an L-Theanine Twist!
EVL's Z-Matrix took something we love (ZMA), with something else we love (L-Theanine and Vitamin D), and made a sleep supplement that's simply smart! -
Jul 23, 2018 ![]()
Blog Post
Magnum’s MANE BRAIN Nootropic Brings the King of Extracts -
Jun 29, 2018 ![]()
Blog Post
EVLTEST Brings EVL’s Advanced D-Aspartic Acid to Powder Form!
EVLution Nutrition has a great "enhanced D-Aspartic Acid" natural testosterone booster with "mini-ZMA" inside, but ditch those tablets for the powder! -
Jun 11, 2018 ![]()
Blog Post
PEScience Symbiont-GI: Achieve Symbiosis in Your GI Tract
PEScience has broken away from "sports nutrition" with a fantastically-formulated digestive enzyme / probiotic / GI support supplement, Symbiont-GI! -
May 17, 2018 ![]()
Blog Post
Beast Super Test: Man’s Best Friend in Eight Capsules Per Day
The new version of Beast Super Test is one crazy interesting natural testosterone supporting supplement, with some well-researched ingredients and... -
Dec 08, 2017 ![]()
Blog Post
Lion’s Mane: The Nerve Growth Nootropic Mushroom
Lion's Mane is an incredible mushroom that touts some extremely unique nootropic benefits including increasing Nerve Growth Factor. -
Oct 17, 2017 ![]()
Blog Post
Primeval Labs Neanderthal — Unleash your Inner Man Beast
Primeval Labs looks to revolution the natural testosterone booster market with Neanderthal, a powered natural testosterone booster with 11 ingredients -
Oct 07, 2017 ![]()
Blog Post
Transparent Labs ZMO: A Sleep Aid with Oyster Meat?!
Transparent Labs ZMO isn't your standard ZMA sleep and recovery supplement, this one's got oyster meat extract too! -
Jun 27, 2017 ![]()
Blog Post
CEL Cycle Assist – On and Off Cycle Support
CEL Cycle Assist is the ultimate protection for your most vital organs whether you're on cycle or off cycle. -
Apr 25, 2017 ![]()
Blog Post
PreSeries LEAN by Transparent Labs: When to Use Lean vs BULK?
Transparent Labs PreSeries Lean is a pre workout supplement with a few extra fat burning ingredients than the BULK version. We compare on PricePlow! -
Dec 20, 2016 ![]()
Blog Post
MSM Supplements: Joint Support for Athletes AND Aging!
MSM Supplements (methylsulfonylmethane) are sulfur compounds with incredible research as an effective remedy for achy joints, aging, and arthritis! -
Dec 08, 2016 ![]()
Blog Post
InnovaPharm ZMX – The Ultimate ZMA formula
InnovaPharm ZMX is the new and ultimate form of a ZMA supplement! ZMX uses the most bioavailable forms of minerals and vitamins. -
May 31, 2016 ![]()
YouTube Video
iSatori Bio Gro Review - WITH Blood Tests! -
May 31, 2016 ![]()
Blog Post
Bio-Gro Review – This Time, With BLOOD TESTS!
This iSatori Bio-Gro review will probably add to the ongoing controversy that are Bioactive Peptides, as we BLOOD TEST for IGF-1 and GH! -
Jan 14, 2016 ![]()
Blog Post
PreSeries BULK – $49 Pre Workout Has Industry Abuzz…
Transparent Labs PreSeries Bulk is a serious pre workout, with efficacious doses of everything you'd want in a pre workout. But is it worth $49?! -
Dec 30, 2015 ![]()
Blog Post
iSatori 100% Bio-Active Whey: Bio-Gro (Over-Priced Colostrum) Inside
100% Bio-Active Whey has 3 forms of whey protein with iSatori's Bio-Gro Bio-Active Peptides to create a truly unique protein powder for muscle. -
Nov 06, 2015 ![]()
Blog Post
PES TruZMA: A Bedtime Test Boost
TruZMA is the addition to PES Superior Essentials lineup that combines ZMA with Shilajit Fulvic Acid for better testosterone production and recovery. -
Sep 14, 2015 ![]()
Blog Post
Cellucor P6 PM – Nighttime Sleep Supplement
Cellucor P6 PM combines the brand's testosterone boosting line of products with a whole host of sleep aids to maximize recovery. -
Aug 21, 2015 ![]()
Blog Post
Rich Piana’s Liver & Organ Defender: Total Body Protection!
Rich Piana's Liver and Organ Defender from 5% Nutrition covers your body's needs with their that protects all your vital organs during "harsh" times -
Aug 17, 2015 ![]()
Blog Post
Delta XT by MAN Sports: An “Epic” Form of ZMA and More!
Delta XT is the long-awaited epicatechin-based, muscle-building and recovery boosting supplement from MAN Sports. Consider it super advanced ZMA! -
Aug 16, 2015 ![]()
Blog Post
Instant Knockout Fat Burner: Is this Worth $59??
Instant Knockout is a fat burner getting HEAVILY promoted online, selling for $59.99. Is it worth that? We analyze the Instant Knockout Ingredients. -
Apr 03, 2015 ![]()
Blog Post
ONWARD by Run Everything Labs: Flag Nor Fail’s Health Supplement
The ONWARD Supplement is a new daily immune/energy/focus/mood booster from Flag Nor Fail's Rob and Dana Linn Bailey. But is it worth the price? -
Jul 15, 2014 ![]()
Blog Post
Bio-Gro “Banned” by USADA / WADA… As Predicted by PricePlow
Today's talk of the town: the USADA/WADA placed iSatori Bio-Gro on the banned substances list since it contains colostrum.. a banned substance.
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Immune System Supplement Price Alerts
The following price alerts are still active:
- May 15, 2021New Chapter Elderberry Powder 15 Packets dropped by 14.3% to $18.57 at Bodybuilding.com
- May 15, 2021Force Factor Immunity 90 Tablets dropped by 20.0% to $17.99 at Bodybuilding.com
- May 15, 2021Irwin Naturals Immuno-Shield 60 Softgels (only with Elderberry) dropped by 13.2% to $9.59 at Bodybuilding.com
- May 15, 2021MFIT SUPPS Bi-IMMUNE 60 Tablets dropped by 10.0% to $27.00 at Bodybuilding.com
- May 15, 2021Alpha Lion SuperHuman Armor 90 Capsules dropped by 29.4% to $20.99 at Bodybuilding.com
- May 15, 2021TruWild Baselayer 60 Vcaps dropped by 17.5% to $11.50 at Amazon
- May 15, 2021Onnit ShroomTech Immune 30 Capsules dropped by 26.3% to $13.99 at Amazon
- May 15, 2021BPI Sports Zinc 120 Tablets dropped by 9.3% to $9.99 at Vitamin Shoppe
- May 15, 2021Ortho Molecular Sinatrol 60 Capsules dropped by 9.9% to $53.99 at Amazon
- May 15, 2021NOW Elderberry 60 Vcaps dropped by 18.0% to $5.39 at Muscle and Strength
- May 15, 2021NOW Elderberry 120 Vcaps dropped by 12.5% to $14.00 at Muscle and Strength
- May 15, 2021Perfect Sports Shield Immunity+ 30 Servings dropped by 21.0% to $29.99 at Muscle and Strength
- May 13, 2021Myprotein Immune Blend 60 Capsules dropped by 30.8% to $22.49 at MyProtein
- May 13, 2021NOW Graviola 90 Tablets dropped by 14.8% to $12.49 at VitaCost.com
- May 13, 2021NOW Magnesium & Calcium 100 Tablets dropped by 11.3% to $6.99 at VitaCost.com
- May 13, 2021Host Defense Stamets 7 30 Vcaps dropped by 13.4% to $12.95 at Amazon
- May 12, 2021Super Nutrition Super Immune 240 Tablets dropped by 21.2% to $42.20 at iHerb.com
- May 12, 2021Ortho Molecular SBI Protect 75 Grams dropped by 7.7% to $96.90 at Amazon
- May 12, 2021Symbiotics Colostrum Plus 120 Vcaps (only 25% IgG Antibodies) dropped by 8.9% to $19.47 at Amazon
- May 12, 2021Ortho Molecular Viracid 60 Capsules dropped by 6.1% to $43.12 at eBay.com
- May 11, 2021ForestLeaf Advanced Sambucus Elderberry 60 Vcaps dropped by 7.3% to $12.97 at eBay.com
- May 10, 2021Nature's Life Zinc 250 30mg Capsules dropped by 19.0% to $12.99 at VitaCost.com
- May 10, 2021Source Naturals Wellness Herbal Resistance Liquid 8 Oz. dropped by 18.6% to $32.55 at Amazon
- May 10, 2021Sheer Strength Labs Immune Support 90 Capsules dropped by 7.0% to $12.99 at eBay.com
- May 06, 2021Enzymedica ViraStop 2X 90 Capsules dropped by 37.7% to $34.60 at AllStarHealth
- May 06, 2021Hi-Tech Pharmaceuticals Zinc Lozenges 100 Lozenges dropped by 16.7% to $7.96 at DPS Nutrition
- May 06, 2021BPI Sports High Potency Immune Support 60 Capsules dropped by 24.8% to $12.03 at iHerb.com
- May 04, 2021RAW Synergies ImmuShield 60 Vcaps dropped by 40.0% to $14.99 at Amazon
- May 03, 2021Onnit ViruTech 60 Capsules dropped by 40.0% to $9.69 at Onnit
- May 03, 2021Onnit ViruTech 120 Capsules dropped by 25.0% to $39.05 at Onnit
- May 03, 2021MHP Fit & Lean Immune Reds 20 Servings dropped by 32.5% to $13.49 at Muscle and Strength
- May 03, 2021Nature's Way Sambucus Zinc Lozenges 24 Lozenges (only Elderberry Vitamin C - Honey Lemon) dropped by 23.3% to $4.00 at AllStarHealth
- May 01, 2021Gaspari Nutrition Proven Immunity 30 Servings dropped by 33.4% to $19.99 at Muscle and Strength
- Apr 30, 2021Irwin Naturals Immuno-Shield 60 Softgels (only with Mega-D3) dropped by 15.0% to $11.04 at AllStarHealth
- Apr 29, 2021NOW Elderberry & Zinc Lozenges 30 Lozenges dropped by 28.6% to $6.00 at Muscle and Strength
- Apr 24, 2021NutraBio First Response 60 Servings dropped by 25.9% to $19.99 at Natural Body Inc
- Apr 22, 2021Symbiotics Colostrum Plus 240 Capsules dropped by 86.7% to $41.03 at Amazon
- Apr 19, 2021Zand Elderberry Zinc 80 Lozenges dropped by 13.0% to $9.49 at AllStarHealth
- Apr 19, 2021Zand Elderberry Zinc 15 Lozenges dropped by 29.9% to $1.99 at AllStarHealth
- Apr 16, 2021Host Defense Stamets 7 1 Oz. dropped by 6.4% to $14.21 at eVitamins
- Apr 16, 2021Symbiotics Colostrum Plus 21 Oz. (only Powder) dropped by 30.9% to $73.49 at VitaCost.com
- Apr 09, 2021NOW Zinc 100 Tablets dropped by 15.4% to $3.19 at AllStarHealth
- Apr 01, 2021Universal Calcium, Zinc, Magnesium 100 Tablets dropped by 12.4% to $10.95 at Walmart
- Mar 31, 2021Rich Piana 5% Nutrition Immune Defender 120 Capsules dropped by 15.0% to $31.45 at Rich Piana 5% Nutrition
- Mar 31, 2021HumanN Advanced Immune Support 60 Tablets dropped by 13.2% to $25.99 at eBay.com
- Mar 24, 2021Glaxon Arc Immune 63 Capsules dropped by 33.3% to $22.49 at DPS Nutrition
- Mar 23, 2021NOW ElderMune 90 Vcaps dropped by 13.0% to $5.56 at DPS Nutrition
- Mar 17, 2021Symbiotics Immune Formula with Colostrum Plus 120 Capsules dropped by 6.2% to $29.06 at eVitamins
- Mar 15, 2021Nature's Way Zinc Chelate 100 Capsules dropped by 10.4% to $4.38 at iHerb.com
- Mar 15, 2021Nature's Way Sambucus Immune Syrup 4 Oz. (only Standardized Elderberry) dropped by 11.1% to $11.16 at iHerb.com
- Mar 15, 2021Nature's Way Sambucus Soothing Hot Drink Mix 10 Packets dropped by 11.1% to $11.15 at iHerb.com
- Mar 15, 2021Nature's Way Sambucus Lozenges 30 Lozenges (only Standardized - Elderberry) dropped by 9.5% to $9.85 at iHerb.com
- Mar 15, 2021Nature's Way Sambucus Zinc Lozenges 24 Lozenges (only Organic - Elderberry - Vitamin C) dropped by 15.8% to $4.39 at AllStarHealth
- Mar 15, 2021Country Life Zinc 180 Tablets dropped by 11.6% to $10.69 at AllStarHealth
- Mar 15, 2021Country Life Zinc Lozenges 60 Lozenges dropped by 11.6% to $6.79 at AllStarHealth
- Mar 15, 2021Gaia Herbs Black Elderberry Syrup 5.4 Oz. dropped by 20.0% to $18.99 at AllStarHealth
- Mar 15, 2021Herbs for Kids Eldertussin Elderberry Syrup 4 Oz. dropped by 14.7% to $6.79 at AllStarHealth
- Mar 15, 2021Nature's Way Sambucus Immune Syrup 8 Oz. (only Standardized Elderberry) dropped by 17.0% to $19.00 at AllStarHealth
- Mar 15, 2021Nature's Way Umcka ColdCare Kids 10 Chewables dropped by 14.0% to $4.99 at AllStarHealth
- Mar 15, 2021Country Life Zinc Picolinate 100 Tablets dropped by 12.3% to $7.99 at AllStarHealth
- Mar 11, 2021Garden of Life RM-10 - Immune System Food 60 Capsules dropped by 10.0% to $26.99 at VitaCost.com
- Mar 10, 2021Airborne Immune Support Supplement 64 Chewables dropped by 11.1% to $15.99 at VitaCost.com
- Mar 03, 2021Nature's Way Echinacea & Vitamin C 100 Capsules dropped by 9.8% to $7.66 at iHerb.com
- Mar 02, 2021Doctor's Best Best Elderberry Gummies 60 Gummies dropped by 25.6% to $7.98 at AllStarHealth
- Mar 01, 2021Enzymedica ViraStop 120 Capsules dropped by 22.3% to $30.17 at AllStarHealth
- Mar 01, 2021Source Naturals Wellness Formula 240 Capsules dropped by 6.8% to $26.94 at AllStarHealth
- Mar 01, 2021Symbiotics Colostrum Plus 120 Chewables (only Orange Creme) dropped by 22.6% to $14.49 at AllStarHealth
- Mar 01, 2021Beverly International Ultra-C 100 Tablets dropped by 11.7% to $12.00 at AllStarHealth
- Mar 01, 2021Source Naturals Wellness Herbal Resistance Liquid 60 Vcaps dropped by 52.0% to $12.00 at AllStarHealth
- Mar 01, 2021Nature's Way Echinacea Goldenseal 180 Capsules dropped by 20.7% to $19.19 at AllStarHealth
- Mar 01, 2021Olympian Labs Herp-Eeze 120 Capsules dropped by 8.9% to $38.24 at AllStarHealth
- Mar 01, 2021Garden of Life Immune Balance Gluten FREEze 90 Vcaps dropped by 15.6% to $26.59 at AllStarHealth
- Mar 01, 2021Symbiotics Colostrum Plus 120 Chewables (only Wild Cherry) dropped by 60.5% to $14.49 at AllStarHealth
- Mar 01, 2021Doctor's Best Zinc Carnosine Complex with PepZinGI 120 Vcaps dropped by 12.9% to $14.44 at AllStarHealth
- Mar 01, 2021Doctor's Best Epicor 60 Vcaps dropped by 13.3% to $14.36 at AllStarHealth
- Mar 01, 2021Symbiotics Colostrum Plus 120 Capsules (only with Immulox 10%) dropped by 46.6% to $14.79 at AllStarHealth
- Mar 01, 2021Source Naturals OptiZinc 120 Tablets dropped by 45.4% to $7.65 at eVitamins
- Feb 27, 2021Universal Immun-C 100 Servings dropped by 15.0% to $14.02 at iHerb.com
- Feb 27, 2021Doctor's Best Immune Booster 120 Vcaps dropped by 8.1% to $11.82 at iHerb.com
- Feb 27, 2021Universal Daily Immune 60 Tablets dropped by 8.5% to $13.14 at iHerb.com
- Feb 24, 2021The Genius Brand Genius Immunity Shield 60 Vcaps dropped by 40.0% to $17.98 at eBay.com
- Feb 21, 2021Source Naturals Zinc 250 Tablets dropped by 6.1% to $12.30 at eVitamins
- Feb 18, 2021Source Naturals Wellness Flu Guard 525 Items dropped by 10.0% to $13.23 at Best Price Nutrition
- Feb 08, 2021Source Naturals OptiZinc 240 Tablets dropped by 19.9% to $14.30 at eVitamins
- Feb 05, 2021Nature's Plus AgeLoss Immune Support 90 Capsules dropped by 26.5% to $30.56 at VitaCost.com
- Feb 03, 2021Optimum Nutrition Immunity + Probiotic Gummies 60 Gummies dropped by 16.0% to $16.79 at VitaCost.com
- Jan 27, 2021Source Naturals Wellness Formula 180 Tablets dropped by 7.2% to $29.93 at Best Price Nutrition
- Jan 23, 2021GenOne Labs Immune Boost 60 Capsules dropped by 50.0% to $11.00 at A1 Supplements
- Jan 23, 2021GenOne Labs European Elderberry 90 Capsules dropped by 50.0% to $10.00 at A1 Supplements
- Jan 23, 2021Airborne Immune Support Supplement 10 Tablets (only Very Berry (Effervescent Tabs), Zesty Orange (Effervescent Tabs)) dropped by 50.0% to $3.98 at A1 Supplements
- Jan 23, 2021Hi-Tech Pharmaceuticals Black Elderberry 120 Tablets dropped by 35.1% to $12.98 at A1 Supplements
- Jan 15, 2021Symbiotics Candida Balance with Colostrum Plus 120 Capsules dropped by 23.0% to $21.79 at eVitamins
- Jan 04, 2021Sambucol Black Elderberry 30 Gummies dropped by 33.9% to $9.24 at VitaCost.com
- Nov 17, 2020EVLution Nutrition ImmuneMode 30 Vcaps dropped by 36.7% to $9.49 at iHerb.com
- Nov 09, 2020Thorne Research Zinc Picolinate 60 Capsules (only 15mg) dropped by 24.5% to $10.45 at iHerb.com
- Nov 07, 2020Thorne Research Zinc Picolinate 60 Capsules (only 30mg) dropped by 10.9% to $14.25 at iHerb.com
- Oct 23, 2020Source Naturals Wellness Herbal Kids 4 Oz. dropped by 25.3% to $15.29 at eVitamins
- Sep 02, 2020Nature's Way Sambucus NightTime 4 Oz. dropped by 9.6% to $10.94 at VitaCost.com
- Aug 07, 2020Antaeus Labs Optimized Zinc Acetate Lozenges 50 Lozenges dropped by 13.3% to $22.49 at MRSupps.com
- Jul 03, 2020New Chapter Elderberry Force 30 Vcaps dropped by 40.0% to $23.97 at VitaCost.com
- Jun 29, 2020New Chapter Zinc Food Complex 60 Tablets dropped by 28.8% to $17.07 at eVitamins
- Jun 22, 2020Sambucol Black Elderberry 15 Tablets dropped by 16.6% to $7.75 at iHerb.com
- Apr 22, 2020Gaia Herbs Black Elderberry Syrup 3 Oz. dropped by 27.3% to $12.15 at iHerb.com
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Immune System Supplement Reviews & Videos
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Apr 05, 2021LEARN EVERYTHING ABOUT ZINC | Revive MD ZINC explainer
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Mar 27, 2021What are Beta-Glucans? Meet Nature's Immunity Booster
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Dec 29, 2020GLAXON SERENITY | PricePlow's Supplement of the Year 2020
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Oct 21, 2020Immune Just Went Hardcore. | Animal Immune Breakdown
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Jun 22, 2020Unlike all of the Rest... | Glaxon Supps Arc Immune
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May 20, 2020HEALTHIER GUT, BIGGER GAINS! | Alpha Lion SuperHuman GUT
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Apr 23, 2020NutraBio IMMUNE: All-in-One Immune System Supplement!
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Apr 22, 2020Battle Ready Immune Support | Alpha Lion SuperHuman Armor
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Apr 20, 2020FIRST RESPONSE: NutraBio / Mark Glazier Give Back to First Responders
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Apr 11, 2020What is EpiCor? NutraBio EpiCor Supplement Ingredient Explained!
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Mar 23, 2020SteelFit Steel Greens Review: Your GREENS Powder Deserves Some REDS!
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May 15, 2019RECOVER LIKE AN ELITE: EndurElite SLEEPELITE Sleep Aid
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May 31, 2016iSatori Bio Gro Review - WITH Blood Tests!
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