There are 14 vitamins that the body requires on a regular basis. While some can be synthesized (such as vitamin D from sunlight), for proper physical and mental health function, most have to be consumed through diet or supplementation.
Uses
Vitamins are compounds that are necessary for a wide range of biological functions. They play a role in nearly everything the body does. Each vitamin is responsible for a specific set of functions, and deficiency in a particular type can lead to disease.
Types of vitamins
Here is a list of some of the most common vitamins you should get from your diet our through supplementation.
Vitamin A
The belief that carrots are good for your eyesight stems from the fact that they're high in vitamin A, and that A vitamins are necessary for proper retina functioning. But vitamin A is also needed by the immune system and for cell growth. A deficiency can cause skin problems, loss of color vision, nyctalopia (night blindness), and even general blindness (keratomalacia).[1]
B Vitamins
While the other vitamins are very straightforward, vitamin B gets a little complicated. It's made up of a range of numbered subcategories (B1, B2, etc.), each of which is actually a distinct vitamin with unique functions. This happened because the entire complex of B vitamins was once thought to be a singular entity. It was later discovered that each component was chemically distinct. It eventaully became standard practice to refer to every component as a number.
To further confuse things, these vitamin B subcategories are sometimes referred to as a different letter, for example, "B7" is sometimes called "vitamin H" and "B9" is also known as "vitamin M."
Products that contain "B-complex" typically have several separate B vitamins, which are preferable when looking for general supplementation. They are typically marketed towards their energy production characteristics.
Below, each B vitamin is listed in more detail:
| Type of B Vitamin | Description |
|---|---|
| Vitamin B1 (Thiamine/Thiamin) | Vitamin B1 is vital in a number of critical ways. Its primary use is metabolic — it's needed to convert carbohydrates to energy. But it also plays a role in supporting the brain, nervous system, heart and muscle tissues. Since it's so widely needed by the body, deficiency can cause a variety of problems. Neurological complications are some of the most typical issues associated with a B1 deficiency, including general confusion, depression, and, in minor cases, irritability. In severe cases, symptoms can progress to a cardiovascular and nervous system disease called beriberi. |
| Vitamin B2 (Riboflavin) | Vitamin B2 is needed for a wide range of functions in both the cells and for proper digestion. Deficiency causes a condition called ariboflavinosis — common symptoms are sore throat, severe chapped lips, swollen or purple tongue, and skin conditions. Prolonged deficiency can cause liver damage.[3] |
| Vitamin B3 (Niacin) | Niacin regulates cholesterol and fat levels and supports the cardiovascular system. Deficiency can cause general fatigue, headaches, nausea, and skin lesions. Prolonged deficiency causes pellagra, a disease with a wide array of nasty symptoms that can eventually lead to death.[4] |
| Vitamin B5 (Pantothenic Acid) | Vitamin B5 is needed to metabolize food. The body doesn't need much of it, however, so cases are rare. Deficiency can cause general fatigue, poor mood, muscle cramps, increased insulin sensitivity, gastrointestinal disorders, and tingling skin (paresthesia).[5] |
| Vitamin B6 | Vitamin B6 is widely needed throughout the body for metabolizing amino acids and glucose, for histamine synthesis, and, primarily, for the creation of hemoglobin. Deficiency most commonly leads to an outbreak of dermatitis or rashes, inflammation and/or soreness of the tongue, cracks at the corners of the mouth, bloodshot eyes, confusion, and spells of dizziness.[6] |
| Vitamin B7 (Biotin or Vitamin H) | Vitamin B7 is primarily used in the synthesis of fatty acids and the branched-chain amino acids (BCAAs). Deficiency is exceptionally rare — it's only been seen in diets unusually high in raw egg whites, as they contain a protein that binds with B7 and makes it unavailable (it denatures and ceases to do this when the egg whites are cooked). Symptoms of deficiency are hair loss, dermatitis on the face and around the genitals, bloodshot eyes, depression, fatigue, and hallucinations.[7] |
| Vitamin B9 (Folic Acid or Vitamin M) | Vitamin B9 is another vitamin widely used throughout the body, but it's primarily needed to form and repair DNA and cells. Deficiency can cause a sore or swollen tongue, diarrhea, anemia, depression, and confusion. A folic acid deficiency during pregnancy can also cause neural defects in the fetus. In developing countries, B9 deficiency has been associated with increased rates of malaria in children under age 5.[8] |
| Vitamin B12 | Vitamin B12 regulates the nervous system, aids in brain and cell function, and is key in the formation of blood. Initial symptoms of deficiency are neurological — loss of memory, general fatigue, depression, even mania or psychosis, in some cases. Sustained deficiency can cause serious and irreparable damage to the brain and central nervous system.[9] |
| Bp (Choline) | Bp is much more commonly referred to as choline, though it's part of B-complex. It's used to maintain cells, aid in neural transmission, and for digestive system support. Deficiency can cause fat to accumulate around the liver and eventual kidney death if sustained for a long period.[10] |
Vitamin C
Vitamin C is used throughout the body. It's needed to synthesize collagen, carnitine, tyrosine, and neurotransmitters. It's also the most common antioxidant in a regular diet, is a major fuel source for immune system cells, and is an antihistamine. The most colorful and well-known disease caused by a C deficiency is scurvy, though cases are rare these days thanks to the vitamin's ubiquity in diet.
Modern cases of scurvy are generally only seem in individuals who have bulimia or alcoholism. Less severe early signs of deficiency include fatigue, depression, bleeding gums, easy bruising, and joint pain.[11]
Vitamin D
For years, vitamin D was thought to play a role in supporting bone health, but the evidence isn't entirely conclusive. The vitamin is defined more by what happens when you're deficient: rickets and osteoporosis.
As with scurvy, however, diet and supplementation have largely eliminated rickets outside of developing countries. Also known as the sunshine vitamin, vitamin D is the only vitamin that isn't essential in diet, as the skin can synthesize it from sun exposure.[12]
Vitamin E
Vitamin E works in tandem with vitamin C as one of the most common and potent antioxidants. It's also a critical component in muscle growth, gene expression, and neurological function. Deficiency can cause mobility or coordination problems, muscle weakness or failure, nerve disease, impaired immune function, retinal damage, and the death of red blood cells.[13]
Vitamin K
There are actually two types of vitamin K: K1 and K2. Unlike B-complex, they're generally regarded as one entity as the colon can synthesize K2 from K1. Vitamin K is most critical in blood coagulation. Lack of the nutrient can lead to uncontrolled bleeding, osteoporosis, and heart disease.[14]
Recommended dosage
All of those "for men," "for women," and "silver" vitamin formulations aren't just marketing fluff. The primary determinants for your RDA are age and gender.
The above table, with data provided by the IOM, lists each vitamin with corresponding RDA (recommended daily allowance) and UL (tolerated upper limit) for male and female adults. Always consult with your pediatrician before giving children or infants a vitamin. Also, women who are pregnant or lactacting should discuss their vitamin needs with her health care provider.
| Type of B Vitamin | Males: RDA | Females: RDA | UL |
|---|---|---|---|
| Biotin (Vitamin B7) | 19 to 70+ years: 30 mcg | 19 to 70+ years: 30 mcg | N/A |
| Choline (Bp) | 19 to 70+ years: 550 mg | 19 to 70+ years: 425 mg | 3,500 mg |
| Folic Acid (B9) | 19 to 70+ years: 400 mcg | 19 to 70+ years: 400 mcg | 1,000 mcg |
| Niacin (B3) | 19 to 70+ years: 16 mg | 19 to 70+ years: 14mg | 35 mg |
| Pantothenic Acid (B5) | 19 to 70+ years: 5 mg | 19 to 70+ years: 5mg | N/A |
| Riboflavin (B2) | 19 to 70+ years: 1.3 mg | 19 to 70+ years: 1.1mg | N/A |
| Thiamin (B1) | 19 to 70+ years: 1.2 mg | 19 to 70+ years: 1.1mg | N/A |
| Vitamin A | 19 to 70+ years: 900 mcg | 19 to 70+ years: 700 mcg | 3,000 mcg |
| Vitamin B6 | 19 to 50: 1.3 mg 50 to 70+ years: 1.7 mg | 19 to 50: 1.3 mg 50 to 70+ years: 1.5 mg | 100 mg |
| Vitamin B12 (Cobalmin) | 19 to 70+ years: 2.4 mcg | 19 to 70+ years: 2.4 mcg | N/A |
| Vitamin C | 19 to 70+ years: 90 mg | 19 to 70+ years: 75 mg | 2,000mg |
| Vitamin D | 19 to 50: 5 mcg50 to 70 years: 10 mcg70+: 15 mcg | 19 to 50: 5 mcg50 to 70 years: 10 mcg70+: 15 mcg | 50 mcg |
| Vitamin E | 19 to 70+ years: 15 mg | 19 to 70+ years: 15 mg | 1,000 mg |
| Vitamin K | 19 to 70+ years: 120 mcg | 19 to 70+ years: 90 mcg | N/A |
Forms
Vitamin supplements are available individually, in packs of individual pills for each type of vitamin, or with many or all of the daily vitamins, amalgamated into one pill called a multivitamin.
Hard pills
In recent years, a number of studies suggesting that taking the hard pill form of vitamins may lead to incomplete absorption has created a surge in popularity of alternate forms.[15,16] To promote absorption, consume your vitamins in these forms:
Vitamins that are mixed with a powdered food can also promote absorption.Gelcaps
- Gummies
- Powders
- Liquids
Synthetic vitamins
Most vitamin supplements are formulated synthetically. Unless you're consuming your vitamin from dietary sources (food vs. capsules or powders), it's likely your vitamins were made in a lab. This is not necessarily a bad thing — your synthetic vitamin C pill is the same the C in your orange. One benefit of getting your vitamins from food is that they provide additional micronutrients and plant-based phytonutrients that are not found in synthetic multivitamins.Synthetic vitamins are also sometimes added to beverages in the manufacturing process. Vitaminwater is a popular example. Today, several vitamin beverages, such as Odwalla, are marketed for the purpose of providing a concentration of vitamins from fruits and vegetables.
Toxicity
All vitamins have a potential upper limit (UL), after which they can have toxic effects. Fat-soluble vitamins are the only ones that you really need to be concerned with. Vitamins A, D, E, and K differ from water-soluble vitamins in that they are stored in body fat for later use, and will accumulate to toxic levels over time, especially if you take more than your RDA, or have a health condition that prevents your liver from properly processing nutrients.
Water-soluble vitamins (B-complex and vitamin C) still have toxic thresholds, but to reach them they generally must be taken in massive single doses that would not be encountered in nature (or even in supplementation).
Toxicity details
Depending on the type of vitamin you take, toxicity symptoms can range from irritating to dangerous.
Vitamin K toxicity
Of the fat-soluble vitamins, you don't need to worry about vitamin K. There's no recommended UL as there's never been a known case of toxicity due to overdose.[17]
Vitamin A toxicity
Vitamin A's average toxic dose (which should not be confused with the tolerable upper limit) is 120,000 IU (international units) per day, but liver damage has occurred at doses of 15,000 IU per day (toxicity is exacerbated by poor overall diet and alcohol consumption).
Vitamin E toxicity
Vitamin E's upper recommended limit is 1,000mg (1,500 IU) per day for adults. While not as dangerous as A or D, at toxic levels the primary concern is that an overdose can prevent blood from clotting. Other symptoms may include blotchy skin, decreased production of thyroid hormones and increased triglycerides.[19]
Vitamin D and toxicity
The actual limits of toxicity of vitamin D (and resulting symptoms) are still somewhat in dispute among experts, but the IOM has set the toxicity threshold at either 300,000 IU in a 24-hour period, or over 10,000 IU per day for three or more consecutive months. Unfortunately, the symptoms are vague and overlap with many other common maladies, such as nausea, reduced appetite, excessive thirst or urination, gastrointestinal pain or disorders, fatigue, muscle weakness, and confusion. A simple test can determine if vitamin D is the culprit by checking your blood calcium levels — if they're too high, you'll have to cut down your intake for several months and possibly take a prescribed corticosteroid.[20]
Children and pregnancy
Toxicity can occur in children beginning at 1,500 IU/kg of body weight. Potential symptoms are many and varied. The most serious are hair loss, muscle weakness, weakened bones (leading to risk of fractures), weight loss, and anemia. Vitamin A toxicity can also damage the fetus during pregnancy.[18]
Food sources
Here's a brief overview of the richest natural food sources of each vitamin:
Vitamin A: sweet potato, carrots, kale, squash, romaine lettuce
Vitamin B1: trout, pork, macadamia nuts, sunflower seeds, whole wheat bread
Vitamin B2: almonds, red meat, mackerel, eggs, pork
Vitamin B3: yellowfin tuna, chicken breast, turkey, pork, liver, peanuts
Vitamin B5: shiitake mushrooms, trout, avocados, eggs, pork
Vitamin B6: sunflower seeds, pistachios, tuna, turkey, chicken
Vitamin B7: yeast, liver, kidney, egg yolk, soybeans
Vitamin B9: black eyed peas, lentils, spinach, asparagus, romaine lettuce
Vitamin B12: clams, beef liver, mackerel, crab, silken tofu, bran
BP: shrimp, eggs, scallops, chicken, turkey, collard greens
Vitamin C: chili peppers, guava, bell peppers, leafy greens, broccoli
Vitamin D: salmon, sardines, tuna, milk, eggs, shiitake mushrooms
Vitamin E: sIlken tofu, spinach, almonds, sunflower seeds, avocados
Vitamin K: leafy greens, scallions, Brussels sprouts, broccoli, chili powder
Most foods contain at least one of the essential vitamins in some amount. Many processed foods are also fortified with synthetic vitamins as a way to be more attractive to consumers.
A well-balanced diet is the best way to meet all of your vitamin needs, but supplementation can help when that isn't possible, or when your nutrient needs exceed normal standards due to high-level training.
Considerations
Because vitamins are defined by the FDA as dietary supplements, the agency's monitoring responsibility is limited to removing illegal substances from the market rather than verifying quality or content.[21] Independent reviews that are accompanied by testing from unbiased labs are generally your most reliable source of information on supplement standards and safety.WarningsVitamins and supplements are drawn from varying sources, and potency and quality may vary. While the science is not entirely conclusive on the subject, synthetic vitamins sometimes haven't fared as well in studies as those from natural sources, in terms of uptake and absorption.[22, 23]Beverages like Vitaminwater are particularly worrisome sources of vitamins. In addition to entirely synthetic vitamin content, the beverages tend to be packed with large amounts of refined sugar and empty carbohydrates that can be detrimental to health.
Where to buy
You can compare the various vitamin supplements on the market here at PricePlow. In addition to our reviews, ingredient lists, and videos, our comparison shopping engine and price-drop notifications can help you to save 30% to 50% off of retail prices.
References
- Tanumihardjo, S.A.; The American Journal of Clinical Nutrition; Vitamin A: biomarkers of nutrition for development;" 2011
- American Cancer Society; Vitamin B Complex;" January 2013
- PubChem; "Riboflavin;" 2013
- PubChem; "Niacin;" 2013
- PubChem; "Pantothenic Acid;" 2013
- PubChem; "Pyridoxine;" 2013
- PubChem; "Biotin;" 2013
- PubChem; "Folic Acid;" 2013
- PubChem; "Vitamin B12;" 2013
- PubChem; "Choline;" 2013
- PubChem; "Ascorbic Acid;" 2013
- PubChem; "Vitamin D; 2013
- PubChem; "Vitamin E;" 2013
- PubChem; ">Vitamin K;" 2013
- Lichtenstein, AH, et. al; Journal of the American Medical Association; "Essential Nutrients: Food or Supplements. Where should the emphasis be?;" July 2005
- Leonard, SW, et. al; The American Journal of Clinical Nutrition; "Vitamin E bioavailability from fortified breakfast cereal is greater than that from encapsulated supplements;" January 2004
- Rasmussen, SE, et. al; European Journal of Nutrition; "A safe strategy for addition of vitamins and minerals to foods;" 2005
- National Institutes of Health; "Vitamin A Fact Sheet for Health Professionals;" June 2013
- National Institutes of Health; "Vitamin E Fact Sheet for Consumers;" October 2011
- National Institutes of Health; "Vitamin D Fact Sheet for Health Professionals;" June 2011
- Food and Drug Administration; "Dietary Supplements Q&A;" 2013
- Burton, GW, et. al; The American Journal of Clinical Nutrition; "Human plasma and tissue alpha-tocopherol concentrations in response to supplementation with deuterated natural and synthetic vitamin E;" April 1998
- Annals of Internal Medicine; "Daily multivitamin supplements did not reduce risk for major CV events over > 10 years in men;" February 2013
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Product News
Paradise Herbs Camu Camu was created.
Category: Camu Camu -
Sep 26, 2022 ![]()
Product News
Paradise Herbs Amla was created.
Categories: Gut Health Supplements, Vitamin C -
Sep 25, 2022 ![]()
Product News
Nature's Bounty Biotin was created.
Category: Biotin -
Sep 25, 2022 ![]()
Product News
Paradise Herbs Earth's Blend B-Complex was created.
Category: Vitamin B -
Sep 25, 2022 ![]()
Product News
Paradise Herbs Earth's Blend Vitamin D3 was created.
Category: Vitamin D3 -
Sep 25, 2022 ![]()
Product News
Paradise Herbs Earth's Blend Biotin was created.
Category: Biotin -
Sep 23, 2022 ![]()
Product News
Nature's Plus Vitamin B1 was created.
Category: Vitamin B1 (Thiamine) -
Sep 23, 2022 ![]()
Product News
Nature's Plus Vitamin B2 was created.
Category: Vitamin B2 (Riboflavin) -
Sep 23, 2022 ![]()
Product News
AstroFlav Vitamin D3+K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Sep 17, 2022 ![]()
Product News
Carlson Vitamin K2 has new variations: Category: Vitamin K2 -
Sep 16, 2022 ![]()
Product News
Natural Factors Vitamin K2 was created.
Category: Vitamin K2 -
Sep 15, 2022 ![]()
Product News
Revive MD Vitamin D3 was created.
Category: Vitamin D3 -
Sep 15, 2022 ![]()
Product News
Revive MD Vitamin K2 was created.
Category: Vitamin K2 -
Sep 12, 2022 ![]()
Product News
Olympian Labs Vitamin K2 + D3 was created.
Categories: Vitamin D3, Vitamin K2 -
Sep 10, 2022 ![]()
Product News
NOW Vitamin D-3 has new variations: Category: Vitamin D3 -
Sep 08, 2022 ![]()
Product News
Vitacost Vitamin D3 has new variations: Category: Vitamin D3 -
Sep 06, 2022 ![]()
Product News
Vitacost Vitamin D3 & K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Sep 06, 2022 ![]()
Product News
Vitacost Vitamin D3 with Probiotics was created.
Categories: Probiotics, Vitamin D3 -
Sep 06, 2022 ![]()
Product News
Vitacost Vitamin D3 was created.
Category: Vitamin D3 -
Sep 05, 2022 ![]()
Product News
Garden of Life Dr. Formulated - Vitamin D3 5000 IU & Zinc has new variations: Categories: Vitamin D3, Zinc -
Sep 03, 2022 ![]()
Product News
Solgar Vegan Vitamin D3 was created.
Category: Vitamin D3 -
Sep 03, 2022 ![]()
Product News
IdealFit IdealLean Vitamin D3 for Women was created.
Category: Vitamin D3 -
Aug 27, 2022 ![]()
Product News
SportsResearch Biotin + Vitamin C was created.
Categories: Biotin, Vitamin C -
Aug 24, 2022 ![]()
Product News
Garden of Life Dr. Formulated - Vitamin D3 5000 IU & Zinc was created.
Categories: Vitamin D3, Zinc -
Aug 21, 2022 ![]()
Product News
NOW B-Complex was created.
Category: Vitamin B -
Aug 14, 2022 ![]()
Product News
Superior Source Vitamin K1 was created.
Category: Vitamin K -
Aug 04, 2022 ![]()
Product News
Source Naturals NADH has new variations: Category: Vitamin B -
Aug 02, 2022 ![]()
Product News
Ortho Molecular Vitamin A was created.
Category: Vitamin A -
Aug 01, 2022 ![]()
Product News
Life Extension Vitamin C has new variations: Category: Vitamin C -
Jul 29, 2022 ![]()
Product News
EVLution Nutrition Folic Acid was created.
Category: Folic Acid -
Jul 28, 2022 ![]()
Product News
Arms Race Nutrition Vitamin C was created.
Category: Vitamin C -
Jul 28, 2022 ![]()
Product News
Arms Race Nutrition Vitamin D3 was created.
Category: Vitamin D3 -
Jul 25, 2022 ![]()
Product News
Source Naturals Vegan True - Vitamin E was created.
Category: Vitamin E -
Jul 24, 2022 ![]()
Product News
Garden of Life baby - Vitamin C Liquid was created.
Category: Vitamin C -
Jul 24, 2022 ![]()
Product News
Garden of Life mykind Organics - Vitamin C was created.
Category: Vitamin C -
Jul 24, 2022 ![]()
Product News
Garden of Life baby - vitamin D3 was created.
Categories: Vitamin D3, Vitamins for Kids -
Jul 24, 2022 ![]()
Product News
Garden of Life mykind Organics - Vegan D3 was created.
Category: Vitamin D3 -
Jul 22, 2022 ![]()
TikTok Video
Replying to @skedding #greenscreen -
Jul 21, 2022 ![]()
Product News
Nordic Naturals Vitamin B Complex was created.
Category: Vitamin B -
Jul 21, 2022 ![]()
Product News
Nordic Naturals Vitamin C Gummies was created.
Categories: Gummy Supplements, Vitamin C -
Jul 13, 2022 ![]()
Product News
Devotion Nutrition Vitamin D3 + K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Jul 09, 2022 ![]()
Product News
Solaray Vitamin B-12 has new variations: Category: Vitamin B12 -
Jul 04, 2022 ![]()
Product News
Solaray Methyl B-12 Methyl Folate was created.
Category: Vitamin B12 -
Jul 04, 2022 ![]()
Product News
Solaray Methyl B-12 was created.
Category: Vitamin B12 -
Jul 04, 2022 ![]()
Product News
Solaray Vitamin B-12 has new variations: Category: Vitamin B12 -
Jul 04, 2022 ![]()
Product News
Solaray Vitamin B-6 has new variations: Category: Vitamin B6 -
Jun 29, 2022 ![]()
Product News
Nordic Naturals Vitamin D3 Plant-Based (Vegan) was created.
Category: Vitamin D3 -
Jun 24, 2022 ![]()
Product News
KAL Vitamin D-3 Mag Glycinate was created.
Categories: Magnesium Glycinate, Vitamin D3 -
Jun 24, 2022 ![]()
Product News
KAL Vitamin B-1 was created.
Category: Vitamin B1 (Thiamine) -
Jun 24, 2022 ![]()
Product News
KAL Micro Folic Acid was created.
Category: Folic Acid -
Jun 24, 2022 ![]()
Product News
KAL Benfotiamine+ was created.
Category: Benfotiamine -
Jun 24, 2022 ![]()
Product News
KAL Methyl Folate was created.
Category: 5-Methyltetrahydrofolate -
Jun 24, 2022 ![]()
Product News
KAL Reacta-C was created.
Category: Vitamin C -
Jun 23, 2022 ![]()
Product News
KAL Vitamin A was created.
Category: Vitamin A -
Jun 23, 2022 ![]()
Product News
KAL Vitamin C Crystals was created.
Category: Vitamin C -
Jun 23, 2022 ![]()
Product News
KAL Vitamin C Acid-Free was created.
Category: Vitamin C -
Jun 23, 2022 ![]()
Product News
KAL Vitamin D-2 was created.
Category: Vitamin D -
Jun 23, 2022 ![]()
Product News
KAL Vitamin E was created.
Category: Vitamin E -
Jun 23, 2022 ![]()
Product News
KAL Niacinamide was created.
Category: Niacinamide -
Jun 22, 2022 ![]()
Product News
KAL Biotin was created.
Category: Biotin -
Jun 22, 2022 ![]()
Product News
KAL Stress B Mag Glycinate was created.
Categories: Magnesium Glycinate, Vitamin B -
Jun 21, 2022 ![]()
Product News
KAL Ultra D-3 was created.
Category: Vitamin D3 -
Jun 21, 2022 ![]()
Product News
KAL Defender C was created.
Categories: Immune System Supplements, Vitamin C -
Jun 21, 2022 ![]()
Product News
KAL Vitamin B-6 B-12 Methyl Folate was created.
Categories: Vitamin B12, Vitamin B6 -
Jun 21, 2022 ![]()
Product News
KAL Vitamin B-6 was created.
Category: Vitamin B6 -
Jun 20, 2022 ![]()
Product News
KAL Folic Acid was created.
Category: Folic Acid -
Jun 18, 2022 ![]()
Product News
KAL Pantothenic Acid was created.
Category: Pantothenic Acid -
Jun 18, 2022 ![]()
Product News
KAL Balanced K2 Plus D-3 was created.
Categories: Vitamin D3, Vitamin K2 -
Jun 18, 2022 ![]()
Product News
Nature's Plus Super B-50 was created.
Category: Vitamin B -
Jun 17, 2022 ![]()
Product News
KAL Vitamin C was created.
Category: Vitamin C -
Jun 17, 2022 ![]()
Product News
KAL Vitamin K-2 MK-7 was created.
Categories: Bone Supplements, Vitamin K2 -
Jun 17, 2022 ![]()
Product News
KAL Vitamin K was created.
Category: Vitamin K -
Jun 17, 2022 ![]()
Product News
KAL Vitamin K-2 was created.
Category: Vitamin K2 -
Jun 16, 2022 ![]()
Product News
KAL Ultra B-12 was created.
Category: Vitamin B12 -
Jun 16, 2022 ![]()
Product News
KAL Vitamin B-12 was created.
Category: Vitamin B12 -
Jun 16, 2022 ![]()
Product News
KAL Vitamin B-2 was created.
Category: Vitamin B2 (Riboflavin) -
Jun 14, 2022 ![]()
Product News
Life Extension Fast-C and Bio-Quercetin Phytosome was created.
Categories: Curcumin Phytosome, Quercetin, Vitamin C -
Jun 14, 2022 ![]()
Product News
Life Extension Buffered Vitamin C Powder was created.
Category: Vitamin C -
Jun 14, 2022 ![]()
Product News
Life Extension Vitamin C Serum was created.
Categories: Skin Care, Vitamin C -
Jun 14, 2022 ![]()
Product News
Life Extension Vitamin C was created.
Category: Vitamin C -
Jun 09, 2022 ![]()
Product News
Solaray Balanced B-Stress was created.
Categories: Stress Relief, Vitamin B -
Jun 09, 2022 ![]()
Product News
Natural Factors Vitamin K & D has new variations: Categories: Vitamin D, Vitamin K -
Jun 09, 2022 ![]()
Product News
Natural Factors Vitamin A was created.
Category: Vitamin A -
Jun 08, 2022 ![]()
Product News
Solaray Super Bio Vitamin D-3 was created.
Category: Vitamin D3 -
May 22, 2022 ![]()
Product News
Airborne Simply-C Daily Immune Support was created.
Categories: Immune System Supplements, Vitamin C -
May 07, 2022 ![]()
Product News
Betancourt Vitamin C-500 was created.
Category: Vitamin C -
May 01, 2022 ![]()
Product News
GNC Vitamin C + Echinacea was created.
Categories: Echinacea, Vitamin C -
Apr 29, 2022 ![]()
Product News
GNC Vitamin C + Zinc was created.
Categories: Vitamin C, Zinc -
Apr 29, 2022 ![]()
Product News
GNC baby Vitamin D-3 Drops was created.
Category: Vitamin D -
Apr 21, 2022 ![]()
YouTube Video
Your Mom's Multivitamin is WEAK - Boost it with This! (Super C!) -
Apr 21, 2022 ![]()
Product News
Jarrow Formulas Folate Forte was created.
Categories: Heart Health Supplements, Vitamin B12 -
Mar 26, 2022 ![]()
Product News
Nature's Way Biotin Forte was created.
Category: Biotin -
Mar 25, 2022 ![]()
Product News
KAL Vitamin D-3 K-2 was created.
Categories: Vitamin D3, Vitamin K2 -
Mar 25, 2022 ![]()
Product News
KAL Vitamin D-3 was created.
Category: Vitamin D3 -
Mar 25, 2022 ![]()
Product News
Nature's Plus Immune Vitamin D3 was created.
Category: Vitamin D3 -
Mar 25, 2022 ![]()
Product News
Nature's Plus Vitamin D3 & K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Mar 21, 2022 ![]()
Product News
DAS Labs Vitamin C Gummies was created.
Categories: Gummy Supplements, Vitamin C -
Mar 21, 2022 ![]()
Product News
DAS Labs Vitamin D3 Gummies was created.
Categories: Gummy Supplements, Vitamin D3 -
Mar 20, 2022 ![]()
Product News
Nature's Plus Ultra E Fem was created.
Category: Vitamin E -
Mar 09, 2022 ![]()
Product News
Superior Source Folic Acid was created.
Category: Folic Acid -
Mar 09, 2022 ![]()
Product News
Superior Source Vitamin A was created.
Category: Vitamin A -
Mar 08, 2022 ![]()
Product News
Solgar Ester-C Plus Immune Complex was created.
Categories: Ester-C, Immune System Supplements -
Feb 22, 2022 ![]()
Blog Post
The Smüthe Company: Boost Your Protein Shakes, Smoothies, and Food!
Amplify your shakes, smoothies, and food with The Smüthe Company’s drink boosts! Add trademarked ingredients to boost health without impacting diet! -
Feb 22, 2022 ![]()
Product News
Solaray Liposomal Vitamin C was created.
Category: Vitamin C -
Feb 22, 2022 ![]()
Product News
Solaray Vitamin C Echinacea was created.
Category: Vitamin C -
Feb 08, 2022 ![]()
YouTube Video
Increase Testosterone WITHOUT TRT | MAXIMUS | Dr. Cameron Sepah -
Feb 07, 2022 ![]()
Blog Post
MAXIMUS: Testosterone Enhancement with Dr. Cameron Sepah | PPP #062
Dr. Cameron Sepah of Maximus joins to talk about boosting testosterone without TRT using his new telemedicine and coaching practice and ENCLOMIPHENE! -
Feb 06, 2022 ![]()
Product News
New Chapter C Food Complex was created.
Category: Vitamin C -
Feb 06, 2022 ![]()
Product News
New Chapter Activated C Complex was created.
Category: Vitamin C -
Jan 26, 2022 ![]()
Blog Post
American Metabolix Super C: Boost Your Multivitamin’s Immunity
American Metabolix Super-C is a mega-dosed vitamin C supplement that also brings extra zinc and Vitamin D - useful if your multivitamin's short! -
Jan 17, 2022 ![]()
YouTube Video
My Dream Immunity Supplement | Formulator's Corner #6 -
Dec 30, 2021 ![]()
Product News
Country Life Methyl B12 was created.
Category: Vitamin B12 -
Dec 28, 2021 ![]()
Product News
Nature Made Super C was created.
Category: Vitamin C -
Dec 21, 2021 ![]()
Product News
Country Life Coenzyme Active B6 Caps was created.
Category: Vitamin B6 -
Dec 20, 2021 ![]()
Product News
Natural Factors Whole Earth & Sea Vegan Bioenhanced Vitamin D3 was created.
Category: Vitamin D3 -
Dec 14, 2021 ![]()
Product News
Doctor's Best Vitamin D3 Gummies was created.
Categories: Gummy Supplements, Vitamin D3 -
Dec 12, 2021 ![]()
Product News
Doctor's Best Fully Active B12 was created.
Category: Vitamin B12 -
Dec 09, 2021 ![]()
Product News
ChildLife Liquid Vitamin D3 was created.
Category: Vitamin D3 -
Dec 08, 2021 ![]()
Blog Post
Universal Uni-Liver Tablets: The OG Way to Supplement Vitamin A
Universal Uni-Liver is the original desiccated liver tablet supplement providing bovine liver and TONS of high-quality vitamin A. Learn about it here! -
Dec 05, 2021 ![]()
Product News
HUM Nutrition Here Comes the Sun was created.
Category: Vitamin D3 -
Nov 20, 2021 ![]()
Product News
NutraBio Vitamin D3 K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Sep 30, 2021 ![]()
Product News
Jarrow Formulas Methyl B-12 & Methyl Folate was created.
Category: Vitamin B12 -
Sep 24, 2021 ![]()
Product News
Transparent Labs RawSeries Vitamin C was created.
Category: Vitamin C -
Sep 14, 2021 ![]()
YouTube Video
A Low-Cost, High-Bioavailability Immunity Booster: PEScience Immune-ST -
Sep 14, 2021 ![]()
Product News
Natural Factors Vitamin K & D was created.
Categories: Vitamin D, Vitamin K -
Aug 28, 2021 ![]()
Product News
Doctor's Best Sustained Release Vitamin C with PureWay-C was created.
Category: Vitamin C -
Aug 24, 2021 ![]()
Product News
Core Nutritionals B-Complex was created.
Category: Vitamin B -
Jul 25, 2021 ![]()
Product News
Insane Labz Vitamin C was created.
Category: Vitamin C -
Jul 04, 2021 ![]()
Product News
NOW Vitamin C + Ferulic Acid was created.
Category: Vitamin C -
Jul 04, 2021 ![]()
Product News
NOW C-1000 Zinc Immune was created.
Categories: Vitamin C, Zinc -
Jun 30, 2021 ![]()
Product News
Source Naturals Wellness D-mmunity was created.
Category: Vitamin D -
Jun 30, 2021 ![]()
Product News
Country Life Dry Vitamin A was created.
Category: Vitamin A -
Jun 25, 2021 ![]()
Product News
Blackstone Labs Liposomal Vitamin D3 was created.
Category: Vitamin D3 -
Jun 21, 2021 ![]()
Product News
InnovaPharm D3 + K2 was created.
Categories: Vitamin D3, Vitamin K2 -
Apr 22, 2021 ![]()
Blog Post
5% Nutrition Core Line Goes Beyond Single-Ingredient Supplements
The 5% Nutrition Core Supplement Line has many classic supplements, but with twists! No single-ingredient formulas here, just like Rich Piana would want! -
Feb 18, 2021 ![]()
YouTube Video
Glaxon Thermal V2 Update | Glaxon Season 2 -
Jan 22, 2021 ![]()
YouTube Video
Revive MD HEART Ingredient Breakdown! -
Oct 21, 2020 ![]()
YouTube Video
Immune Just Went Hardcore. | Animal Immune Breakdown -
Jul 16, 2020 ![]()
YouTube Video
Ghost GLOW Product Breakdown: Look Good, Feel Great! -
Jun 12, 2020 ![]()
YouTube Video
Supplement Industry Roundtable Episode 6 | Return of the Savage -
Apr 23, 2020 ![]()
YouTube Video
NutraBio IMMUNE: All-in-One Immune System Supplement! -
Apr 20, 2020 ![]()
YouTube Video
FIRST RESPONSE: NutraBio / Mark Glazier Give Back to First Responders -
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! -
Feb 28, 2020 ![]()
Blog Post
John “The Mountain Dog” Meadows’ Supplement Stack!
John Meadows: the man, the myth, the legend, shares the supplements he uses to boost performance, and improve his health. This article is full of gems! -
Oct 23, 2018 ![]()
YouTube Video
The Genius Brand Muscle Builder Ingredient Breakdown! Worth it?! -
Sep 11, 2018 ![]()
Blog Post
Fighting Disease with Shawn Wells | Episode #014
Fighting serious disease? Shawn Wells (@ZoneHalo) drops knowledge on using diet and supplementation to help with chemotherapy. -
Aug 06, 2018 ![]()
YouTube Video
BuildFastFormula VasoBlitz Review - Nitrate-Based Pumps! -
Jul 08, 2018 ![]()
YouTube Video
Are You Healthy? Four Blood Tests EVERYONE Should Get | Shawn Wells -
Jun 27, 2017 ![]()
YouTube Video
Giant Sports Giant Keto Review - BHB Supplements WORK! -
Jun 06, 2017 ![]()
Blog Post
iForce SwoleMate – BCAAs with a Performance Boost
iForce SwoleMate is the latest innovation from iForce Nutrition that's much more than another copycat BCAA intra workout supplement. -
Oct 06, 2015 ![]()
Blog Post
APS Mesomorph: Powerhouse Pre Workout Reformulated
APS Mesomorph from APS Nutrition is a high-energy, focus heavy pre workout! Hang on for the ride at 3/4 scoop! -
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.
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Vitamins A-Z Price Alerts
The following price alerts are still active:
- May 27, 2023Metabolic Nutrition Vitamin-C 100 Grams dropped by 7.2% to $6.49 at DPS Nutrition
- May 27, 2023NOW C-1000 Zinc Immune 180 Vcaps dropped by 8.7% to $11.68 at iHerb.com
- May 26, 2023Doctor's Best Vitamin C Gummies 120 Gummies dropped by 7.7% to $11.99 at AllStarHealth
- May 26, 2023NOW C-1000 Zinc Immune 90 Vcaps dropped by 11.1% to $7.31 at iHerb.com
- May 26, 2023Swanson Vitamin C Powder 1 Lb. dropped by 10% to $17.09 at iHerb.com
- May 26, 2023Thorne Research Vitamin C With Flavonoids 180 Capsules dropped by 25% to $29.98 at eBay.com
- May 25, 2023NOW C-500 100 Capsules dropped by 18.2% to $4.49 at Best Price Nutrition
- May 24, 2023PVL Vitamin C 16 Oz. dropped by 18.2% to $4.86 at DPS Nutrition
- May 24, 2023Hi-Tech Pharmaceuticals Vitamin C 360 Tablets dropped by 53.6% to $24.90 at eBay.com
- May 23, 2023KAL Reacta-C 120 Tablets dropped by 32.1% to $18.99 at MySupplementStore
- May 23, 2023Garden of Life Vitamin Code Raw Vitamin C 60 Vcaps dropped by 9.6% to $13.22 at Best Price Nutrition
- May 23, 2023Garden of Life Vitamin Code Raw Vitamin C 120 Vcaps dropped by 10.3% to $22.67 at Best Price Nutrition
- May 23, 2023NOW C-1000 100 Tablets (only with Rose Hips and Bioflavonoids) dropped by 32.5% to $5.39 at Best Price Nutrition
- May 23, 2023NOW C-1000 90 Tablets (only Buffered with 250mg Bioflavonoids) dropped by 11.6% to $7.19 at Best Price Nutrition
- May 23, 2023NOW C-1000 180 Tablets (only Buffered with 250mg Bioflavonoids) dropped by 6.8% to $13.49 at Best Price Nutrition
- May 23, 2023NOW Vitamin C Crystals 1 Lb. dropped by 11.6% to $12.59 at Best Price Nutrition
- May 22, 2023NOW Vitamin C Crystals 8 Oz. dropped by 8.8% to $6.74 at Best Price Nutrition
- May 22, 2023NOW C-1000 250 Capsules dropped by 11.2% to $13.49 at Best Price Nutrition
- May 22, 2023Solaray Super Bio Vitamin C 250 Vcaps (only Timed-Release - 500mg) dropped by 10% to $25.19 at Best Price Nutrition
- May 22, 2023Solaray Vitamin C 100 Vcaps (only 500mg Buffered with Bioflavonoid Concentrate) dropped by 9.6% to $9.44 at Best Price Nutrition
- May 22, 2023Solaray Vitamin C 90 Vcaps (only 800mg Buffered +Immune System) dropped by 32.9% to $11.39 at MySupplementStore
- May 22, 2023NutraBio Vitamin C 120 Vcaps dropped by 10% to $12.59 at Best Price Nutrition
- May 19, 2023Nature's Way Alive! Vitamin C 120 Vcaps (only Immune Support) dropped by 14% to $21.48 at iHerb.com
- May 18, 2023NutraBio Vitamin C 150 Vcaps (only 1000mg with Rose Hip Bioflavonoids) dropped by 27.9% to $10.80 at NFSupps.com (NutriFit)
- May 16, 2023NOW C-1000 100 Tablets (only Sustained Release - with Rose Hips) dropped by 20.2% to $5.19 at AllStarHealth
- May 15, 2023Natural Factors Fruit-Flavor Chew C500 mg 90 Wafers (only Tropical) dropped by 10.1% to $10.15 at iHerb.com
- May 15, 2023Solaray Reacta-C 60 Vcaps dropped by 20% to $7.97 at iHerb.com
- May 15, 2023Nature's Bounty Vitamin C 80 Gummies dropped by 29% to $8.32 at iHerb.com
- May 15, 2023KAL Vitamin C 90 Tablets dropped by 10.3% to $17.03 at Vitamin Shoppe
- May 15, 2023Nature's Way Vitamin C-500 100 Capsules (only with Bioflavonoids) dropped by 10.9% to $12.79 at Vitamin Shoppe
- May 15, 2023Nature's Way Alive! Vitamin C 120 Vcaps (only 100% Whole Food Complex) dropped by 20% to $21.59 at Vitamin Shoppe
- May 14, 2023Superior Source Vitamin C 90 Tablets (only Sour Cherry Melts - 500mg) dropped by 13.6% to $13.65 at Amazon
- May 14, 2023American Health Ester-C 24 Hour Immune Support 120 Vcaps dropped by 16.6% to $11.98 at Amazon
- May 14, 2023American Health Ester-C with Citrus Bioflavonoids 45 Vegetarian Tablets dropped by 44.7% to $9.40 at eVitamins
- May 03, 2023Universal Vitamin C Formula 100 Tablets dropped by 31.7% to $13.99 at eBay.com
- Apr 21, 2023Swanson Vitamin C 250 Capsules (only 1000mg with Rose Hips) dropped by 14.6% to $11.39 at iHerb.com
- Apr 13, 2023NOW C-1000 Zinc & D-3 100 Vcaps dropped by 20% to $15.99 at VitaCost.com
- Apr 02, 2023Solaray Vitamin C 8 Oz. (only 5000mg Buffered Powder) dropped by 10.6% to $15.29 at AllStarHealth
- Mar 30, 2023NOW C-500 100 Chewables (only Cherry-Berry Flavor) dropped by 14.7% to $5.99 at Muscle and Strength
- Mar 01, 2023NOW C-500 100 Tablets (only with Rose Hips) dropped by 10.2% to $3.59 at AllStarHealth
- Feb 19, 2023Nature's Way Vitamin C-1000 250 Capsules dropped by 24.9% to $22.29 at AllStarHealth
- Feb 19, 2023Superior Source Vitamin C 90 Tablets (only Tangy Orange Melts - 500mg) dropped by 8.3% to $10.99 at AllStarHealth
- Feb 05, 2023Nature's Way Vitamin C-500 250 Capsules (only with Bioflavonoids) dropped by 12.8% to $14.99 at AllStarHealth
- Jan 30, 2023Airborne Kids Blast of Vitamin C 21 Gummies dropped by 10.7% to $5.94 at MyOTCstore.com
- Jan 30, 2023Airborne Blast of Vitamin C - Gummies 21 Gummies dropped by 10.7% to $5.94 at MyOTCstore.com
- Jan 30, 2023Airborne Kids Blast of Vitamin C 42 Gummies dropped by 10.8% to $11.47 at MyOTCstore.com
- Jan 28, 2023Doctor's Best Vitamin C with Quali-C 250 Grams dropped by 25.1% to $14.98 at Amazon
- Jan 22, 2023Solaray Vitamin C 8 Oz. (only 5000mg Powder) dropped by 14.5% to $12.99 at AllStarHealth
- Jan 22, 2023Solaray Rose Hips 100 Vcaps dropped by 21.7% to $6.69 at AllStarHealth
- Jan 20, 2023NOW C-1000 250 Tablets (only Sustained Release - with Rose Hips) dropped by 7.7% to $11.99 at AllStarHealth
- Dec 23, 2022GNC Vitamin C Crystals 8.4 Oz. dropped by 25% to $14.99 at GNC
- Dec 20, 2022NOW Vitamin C Crystals 3 Lbs. dropped by 25% to $23.99 at Muscle and Strength
- Oct 23, 2022Irwin Naturals Vita-C Plus 60 Softgels dropped by 24.8% to $11.04 at AllStarHealth
- Oct 10, 2022Paradise Herbs Camu Camu 60 Vcaps dropped by 10.6% to $7.59 at AllStarHealth
- Sep 26, 2022Paradise Herbs Amla 60 Vcaps dropped by 10.2% to $8.89 at AllStarHealth
- Aug 29, 2022Natrol Easy-C 240 Vcaps (only 500mg - Immune Health) dropped by 8% to $18.39 at AllStarHealth
- Jul 04, 2022American Health Ester-C with Citrus Bioflavonoids 240 Vcaps dropped by 18.5% to $20.89 at AllStarHealth
- Jun 06, 2022American Health Ester-C with D3 - Bone and Immune Health Complex 60 Tablets dropped by 9.5% to $9.49 at AllStarHealth
- May 30, 2022Solaray Vitamin C 100 Vcaps (only 500mg Buffered +Rose Hips & Acerola) dropped by 13.6% to $9.49 at VitaCost.com
- May 03, 2022Nature's Plus Orange Juice Vitamin C Supplement 60 Chewables dropped by 7.7% to $17.81 at VitaCost.com
- Mar 21, 2022Solaray Vitamin C 250 Vcaps (only 1000mg Bioflavonoids Concentrate) dropped by 12.9% to $23.99 at AllStarHealth
- Mar 15, 2022NOW C-1000 500 Vcaps dropped by 7.1% to $25.99 at AllStarHealth
- Feb 22, 2022Solaray Vitamin C 100 Chewables (only Orange Flavor - 500mg Buffered with Acerola & Rose Hips) dropped by 15.2% to $12.29 at AllStarHealth
- Feb 21, 2022Natural Factors Fruit-Flavor Chew C500 mg 180 Wafers (only Tangy Orange) dropped by 37.1% to $11.00 at AllStarHealth
- Jan 24, 2022Source Naturals Ascorbyl Palmitate 90 Tablets dropped by 36.6% to $8.00 at AllStarHealth
- Jul 05, 2021Rainbow Light Super C 60 Tablets dropped by 11.5% to $9.69 at AllStarHealth
- Mar 15, 2021Country Life Acerola - Vitamin C Complex 180 Chewables (only Berry - 500mg) dropped by 16.6% to $19.49 at AllStarHealth
- Jun 15, 2020American Health Ester-C with Citrus Bioflavonoids 90 Vegetarian Tablets (only 1000mg) dropped by 14.8% to $15.33 at eVitamins
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