Amino acids are vital substances that are mostly ingested through food. There are hundreds of different amino acids, but in terms of diet and nutrition, there are only 22 you need to be concerned with. Collectively amino acids are used to support nearly every physiological function, including muscle growth and athletic endurance.
Dietary amino acids
The 22 amino acids that relate to diet and nutrition are called "standard amino acids." They're subdivided further into two groups: essential and nonessential.
Essential amino acids
There are nine essential amino acids. These must be taken in through food or supplementation since the body has no means of synthesizing them. They are:
| Essential amino acid | How it works |
|---|---|
| Histidine | Supports the central nervous and digestive systems.[1] |
| Isoleucine* | Promotes the use of glucose and protein by the muscles during exercise, and regulates blood sugar levels.[2] |
| Leucine* | Mostly used for protein synthesis in muscle tissues, but also improves glucose uptake and is necessary to form blood cells.[3] This is our favorite amino acid due to its muscle-building and endurance-boosting effects. |
| Valine* | Converts fatty acids to energy and helps the digestive system absorb calcium.[4] |
| Lysine | Converts fatty acids to energy and helps the digestive system absorb calcium.[4] |
| Methionine | Very important to kidney cells, methionine is also a precursor of creatine, taurine, and lecithin.[5] |
| Phenylalanine | Helps to regulate mood and cognitive function.[6] |
| Threonine | Needed to form collagen and tooth enamel, it also supports the immune system.[7] |
| Tryptophan | While it's probably most familiar as a sleep aid, tryptophan is also a precursor for the synthesis of auxin, niacin, and serotonin. It is also needed to regulate nitrogen levels.[8] |
*Also known as branched-chain amino acids (BCAAs).
Nonessential amino acids
The remaining 13 amino acids are considered "nonessential" as the body can synthesize them from other sources. Serine
| Essential amino acid | How it works | |
|---|---|---|
| Alanine | Used to form glucose in the liver, it's also needed for sugar and acid digestion and for immune system support.[10] | |
| Arginine | A necessary precursor for the nitric oxide synthesis, helps in both tissue and bone repair, supports the immune system, and removes ammonia from the body.[11] | |
| Asparagine | Aids in metabolic control of cell functions in nerve and brain tissue.[12] | |
| Aspartic acid | Is thought to be a neurotransmitter, but research is not yet conclusive.[13] | |
| Cysteine | A precursor to glutamic acid, glycine, and sulfide.[14] | |
| Glutamic acid | Necessary for metabolic function, removal of excess nitrogen and is the most common neurotransmitter in the body.[15] | |
| Glutamine | Needed for protein synthesis, pH balance in the kidneys, cellular energy, and as a transporter of nitrogen, carbon, and ammonia.[16] | |
| Glycine | Needed to digest proteins and is a common neurotransmitter.[17] | |
| Ornithine | Necessary to support the urea cycle and may also play a role in reducing the feeling of fatigue.[18] | |
| Proline | Needed for regular joint and tendon function and also for the formation of collagen.[19] | |
| Selenocysteine | Serves the same functions as cysteine but also plays a role in protein synthesis.[20] | |
| Serine | Needed for metabolic function and also functions as a neurotransmitter.[21] | |
| Tyrosine | Needed to synthesize melanin, epinephrine, and thyroid hormones.[22]td> |
Supplementation
There are hundreds of different amino acids, but in terms of diet and nutrition, only 22 you need to be concerned with.
As far as diet goes, supplementation with essential amino acids is generally only necessary for certain medical conditions or to support a vegetarian/vegan diet.
The BCAAs can help to promote muscle growth and speed recovery, however, so you'll frequently see them included in pre-workout formulas and protein mixes. Supplements that emphasize BCAAs are usually formulated in a ratio that expresses how much relative leucine, isoleucine, and valine they have. For example, one common formulation you'll see in supplements is leucine in a 2:1:1 ratio. This simply means there's twice as much leucine as there are the other two BCAAs.
Glutamine is frequently featured in supplements under the claim that it is a vital muscle fuel source that is depleted by exercise. It's still unclear whether glutamine supplementation before or during a workout has any effect on muscle performance, however. Two placebo studies found no effect of glutamine supplementation whatsoever in weightlifting tests.[23,24] However, a study of long-distance runners found that glutamine seemed to bolster their strained immune systems after a marathon run.[25]
Beta-alanine is a useful supplement for upping the intensity of your workout. It increases the availability of carnosine to muscle tissue. Carnosine regulates the pH balance of muscles by scooping up the hydrogen ions generated when they're in use, and this amounts to a boost in both muscle output and endurance. While there's no studies that have shown carnosine to directly influence the growth of muscles, supplementation does allow for longer sets at higher intensity. Concurrent carnosine supplementation is necessary to see this benefit, though - beta-alanine alone doesn't have any particular effect.
The L-carnitine family provides energy at a cellular level. It's made up of several sub-compounds that have different beneficial effects. Acetyl L-carnitine (ALCAR) is a neurotransmitter that improves cognitive function and reduces feelings of fatigue. Propionyl-L-carnitine (PLCAR) has been shown in rat studies to promote the burning of fat as energy to support working muscle tissue. L-carnitine L-tartrate is an antioxidant that eases soreness after exercise. And glycine propionyl-L-carnitine (GPLC) improves blood flow and oxygen delivery to muscle tissue.
Food sources
Both the essential and the non-essential amino acids are found in foods that are rich in protein.
If you're meeting your overall daily nutritional requirements for protein and carbohydrates, your body will be able to synthesize all of the non-essential amino acids that it needs.
Meat, eggs, poultry, and fish are the best complete sources of the nine essential amino acids. Beans are also good sources, particularly pinto, kidney, and soy. A number of vegetables do contain complete proteins, but in much smaller amounts than other food sources.
Where to buy
You can find amino acid supplements here at PricePlow at 30% to 50% off of retail prices. We typically enjoy powdered-based formulas more, especially for workouts, since they are more convenient, tastier, and typically cost less per gram.
References
- PubChem; "Histidine;" 2014
- PubChem; "Isoleucine;" 2014
- PubChem; "Leucine;" 2014
- PubChem; "Lysine;" 2014
- PubChem; "Methionine;" 2014
- PubChem; "Phenylalanine;" 2014
- PubChem; "Threonine;" 2014
- PubChem; "Tryptophan;" 2014
- PubChem; "Valine;" 2014
- PubChem; "Alanine;" 2014
- PubChem; "Arginine;" 2014
- PubChem; "Asparagine;" 2014
- PubChem; "Aspartic Acid;" 2014
- PubChem; "Cysteine;" 2014
- PubChem; "Glutamic Acid;" 2014
- PubChem; "Glutamine;" 2014
- PubChem; "Glycine;" 2014
- PubChem; "Ornithine;" 2014
- PubChem; "Proline;" 2014
- PubChem; "Selenocysteine;" 2014
- PubChem; "Serine;" 2014
- PubChem; "Tyrosine" 2014
- Candow, D, et. al; European Journal of Applied Physiology; "Effect of glutamine supplementation combined with resistance training in young adults;" December 2001
- Antonio, J, et. al; Journal of Strength and Conditioning Research; "The effects of high-dose glutamine ingestion on weightlifting performance;" February 2002
- Castell, L, et. al; Nutrition; "The effects of oral glutamine supplementation on athletes after prolonged, exhaustive exercise;" July 1997
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TikTok Video
@muscletech Plasma Whey + Plasma BCAA = More recovery. More gains. 💪🔥 #musclebuilding #recovery... -
Aug 20, 2025 
YouTube Video
Core Nutritionals Liquid L-Carnitine 3000 Fun Sweets Flavors | Fat Burning Cotton Candy? -
Aug 20, 2025 
TikTok Video
Fat burning cotton candy? 🍭 @core.nutritionals Liquid L-Carnitine 3000 drops in... -
Aug 16, 2025 
YouTube Video
Nutristat Amino Script | EAAs + BCAAs + Electrolytes for Recovery and Endurance -
Aug 16, 2025 
TikTok Video
Why I reach for @nutristat Amino Script 🧬 • #recovery #endurance -
Aug 14, 2025 
YouTube Video
GHOST Energy Drink OG Now Available in 16oz Cans -
Aug 13, 2025 
YouTube Video
Nutrabolt C4 Alpha Bomb: The Pre-Workout with Deuterated Caffeine -
Aug 08, 2025 
YouTube Video
SCULPTNation Burn Evolved 2.0: VShred's Premium Fat Burner with enXtra Mental Energy -
Aug 07, 2025 Product News
Nutrex EAA+ Hydration has new variations: Categories: Essential Amino Acids, Hydration & Electrolytes -
Aug 06, 2025 
YouTube Video
C4 Energy Classic Lemonade - The Perfect Summer Energy Drink Experience -
Aug 01, 2025 
YouTube Video
MuscleTech Creatine Peptide 447: Should You Switch From Regular Creatine? -
Aug 01, 2025 
YouTube Video
Protein From THIN AIR: Solar Foods SOLEIN® | Episode 175 -
Jul 28, 2025 
Blog Post
TSI Group Goes Public: Shanghai Stock Exchange Listing Marks Major Milestone for Supplement Industry Innovators
TSI Group goes public on Shanghai Stock Exchange. The company behind Peak ATP, myHMB, enfinity, and Hobamine plans major global manufacturing expansion. -
Jul 24, 2025 
YouTube Video
MuscleTech Creatine Peptide 447: The Creatine Supplement That Boosts Your Brain Too -
Jul 18, 2025 
Product News
LifeAid FitAid+ Recover was created.
Categories: Amino Acids, BCAA, Glucosamine, Glutamine -
Jul 09, 2025 
TikTok Video
HYDR8 by @gr8lifestyle: Where electrolytes meet essential amino acids 💧 #Hydration... -
Jul 09, 2025 
Product News
Bucked Up essentials - Arginine was created.
Category: L-Arginine -
Jul 09, 2025 
Product News
MuscleTech Plasma BCAA was created.
Category: BCAA Powder -
Jul 07, 2025 
YouTube Video
Formulator’s Corner #16: The MalTor Mito-Recovery Pre-Workout That Needs to Exist -
Jul 07, 2025 
Blog Post
Solein® by Solar Foods: How Protein "Out of Thin Air" Will Transform the Supplement Industry
Finnish company Solar Foods creates Solein protein from air and electricity. 78% protein with complete amino acids and B12. Now in production. -
Jul 07, 2025 
TikTok Video
PEAK ATP® + Protein = Better Absorption New research shows this supplement combination enhances... -
Jul 04, 2025 
Product News
Legion HMB was created.
Category: HMB -
Jul 03, 2025 
Product News
Gaspari Nutrition SizeOn - Get Swole has new variations: Category: Intra Workout -
Jul 02, 2025 
YouTube Video
Hosstile Hosstility RTD: Cognizin Citicoline in RTD Pre-Workout? -
Jul 01, 2025 
TikTok Video
Creatine + HMB = Superior Results 💪 Research shows combining these ingredients delivers 67%... -
Jun 28, 2025 
Blog Post
Why Creatine and HMB Work Better Together: The Science Behind Animal Creatine HMB+
Research shows creatine + HMB delivers 67% greater muscle growth than expected. Animal Creatine HMB+ harnesses this documented synergy for superior gains. -
Jun 27, 2025 
Blog Post
Amino Acid Absorption Enhanced by Peak ATP®! New ATP / Protein Research Coming
New research shows PEAK ATP enhances amino acid absorption from whey and plant proteins, addressing a protein utilization bottleneck across age groups. -
Jun 27, 2025 
Product News
SuperSmart L-Glutamine was created.
Category: Glutamine Powder -
Jun 27, 2025 
Product News
SuperSmart Perlingual Glutathione was created.
Category: Glutathione -
Jun 27, 2025 
Product News
SuperSmart BCAA's was created.
Category: BCAA Powder -
Jun 25, 2025 
Blog Post
C4 Energy + Aminos Bring a Blend of Aminos, 100mg Natural Caffeine, and Jolly Rancher Flavors!
C4 Energy + Aminos launches Jolly Rancher Cherry and Green Apple flavors with 100mg natural caffeine, 5g aminos, and electrolytes for energy and recovery. -
Jun 19, 2025 
Product News
Carlson Taurine was created.
Category: Taurine -
Jun 19, 2025 
Product News
Carlson Totally Zen was created.
Categories: GABA, L-Theanine, Vitamin B -
Jun 18, 2025 
YouTube Video
GHOST Legend V4 x Sonic Ocean Water: The Legendary Drive-In Collab Returns -
Jun 17, 2025 
Product News
GNC Pro Performance - L-Glutamine was created.
Category: Glutamine Powder -
Jun 14, 2025 
Product News
Gains in Bulk Instantized BCAA was created.
Category: BCAA Powder -
Jun 14, 2025 
Product News
Advanced Bionutritionals Advanced Amino Formula was created.
Category: Amino Acids -
Jun 14, 2025 
Product News
Advanced Bionutritionals Advanced Amino Powder was created.
Category: Amino Acids -
Jun 13, 2025 
Product News
Bryan Johnson Blueprint NAC Ginger Curcumin was created.
Categories: Curcumin, Ginger, N-Acetyl-Cysteine -
Jun 10, 2025 
TikTok Video
Have you tried Setria for Sport? @setriaglutathione #SetriaForSport #Glutathione... -
Jun 08, 2025 
Product News
GNC Pro Performance - BCAA1800 was created.
Category: BCAA Pills -
Jun 07, 2025 
Product News
Jacked Factory L-Arginine was created.
Category: L-Arginine -
Jun 05, 2025 
YouTube Video
Arms Race Nutrition Replenished: Complete Electrolyte Formula Reformulation -
Jun 02, 2025 
TikTok Video
What’s your go-to hydration flavor?🔥 #hydration #fitness #recovery -
May 31, 2025 
Product News
Nutricost L-Histidine was created.
Category: Histidine -
May 30, 2025 
YouTube Video
C4 x Jolly Rancher Pre-Workout: Do Candy Flavors Actually Work? -
May 30, 2025 
Blog Post
Setria For Sport by Kyowa Hakko: The Science Behind Glutathione + Citrulline for Athletic Excellence
Setria For Sport combines 200mg glutathione with 2g L-citrulline for enhanced nitric oxide production. Research shows increased lean mass and performance. -
May 29, 2025 
YouTube Video
Ghost Greens Iced Tea Lemonade Returns for Summer 2025 -
May 29, 2025 
Product News
Nutricost L-Methionine was created.
Category: Methionine -
May 29, 2025 
TikTok Video
🚫 MYTH: Taurine reduces caffeine effectiveness ✅ REALITY: It removes jitters & crash while... -
May 28, 2025 
Blog Post
Ghost Intra Iced Tea Lemonade: Summer's Perfect Training Partner
To celebrate the coming summer, Ghost is relaunching its epic summertime flavor, Iced Tea Lemonade for Ghost Amino V2 and Ghost Greens. -
May 27, 2025 
Product News
Sculpt Nation BCAAS was created.
Category: BCAA Powder
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Amino Acid Price Alerts
The following price alerts are still active:
- Jun 09, 2026Country Life L-Arginine Caps 100 Vcaps dropped by 20% to $12.76 at iHerb.com
- Jun 09, 2026Country Life Max-Amino 180 Vcaps dropped by 9% to $21.74 at iHerb.com
- Jun 09, 2026Gaspari Nutrition SizeOn - Get Swole 24 Servings (only Rainbow Candy) dropped by 7.1% to $51.09 at Amazon
- Jun 09, 2026Amino Activ Topical Cream 2.75 Oz. dropped by 41.4% to $13.48 at Vitamin Shoppe
- Jun 08, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 10 Stick Packs dropped by 11.8% to $22.49 at Amazon
- Jun 08, 2026Nutrex L-Carnitine 3000 16 Oz. (only Muscleberry) dropped by 50% to $19.99 at Muscle and Strength
- Jun 08, 2026Force Factor L-Arginine HCL 180 Grams dropped by 16.7% to $19.99 at Muscle and Strength
- Jun 08, 2026Primeval Labs EAA Max 30 Servings (only Jungle Juice) dropped by 6.3% to $29.99 at Muscle and Strength
- Jun 08, 2026Ronnie Coleman L-Carnitine XS 3000 16 Oz. (only Mango Pineapple) dropped by 41.5% to $29.99 at Muscle and Strength
- Jun 08, 2026Nutrex Carnitine 1000 120 Capsules dropped by 6.6% to $27.99 at Muscle and Strength
- Jun 08, 2026Muscle Pharm BCAA 30 Servings (only Blue Raspberry, Fruit Punch) dropped by 6.6% to $35.00 at Muscle and Strength
- Jun 08, 2026NOW L-Carnitine 100 Tablets dropped by 6.9% to $25.99 at AllStarHealth
- Jun 08, 2026Rich Piana 5% Nutrition 5% Aminos (Code Red Series) 20 Servings dropped by 11.8% to $16.49 at Amazon
- Jun 07, 2026All American EFX AminoZorb Elite21 30 Servings (only Sour Peach) dropped by 31.5% to $22.77 at VitaCost.com
- Jun 07, 2026Source Naturals L-Lysine (Free Form) 120 Capsules dropped by 15% to $11.66 at iHerb.com
- Jun 07, 2026Source Naturals L-Leucine 240 Capsules dropped by 15% to $22.20 at iHerb.com
- Jun 06, 2026NOW L-Lysine 250 Vcaps dropped by 12.4% to $18.39 at Walmart
- Jun 05, 2026EVLution Nutrition BCAA 5000 60 Servings dropped by 24.1% to $8.95 at iHerb.com
- Jun 04, 2026NOW L-Carnitine 16 Oz. (only Liquid 1000mg - Tropical Punch) dropped by 10.3% to $13.99 at AllStarHealth
- Jun 04, 2026Ronnie Coleman BCAA-XS 30 Servings (only Cotton Candy) dropped by 19% to $16.19 at Amazon
- Jun 04, 2026Ronnie Coleman BCAA-XS 30 Servings (only Tropical Punch) dropped by 28.8% to $9.30 at iHerb.com
- Jun 04, 2026VMI Sports L-Carnitine 1500 Heat Liquid 16 Oz. (only Gummy Bear) dropped by 19% to $18.61 at iHerb.com
- Jun 04, 2026Ronnie Coleman BCAA-XS 400 Tablets dropped by 52% to $13.67 at iHerb.com
- Jun 03, 2026Transparent Labs INTRA 30 Servings (only Strawberry Lemonade) dropped by 15% to $38.25 at Transparent Labs
- Jun 02, 2026Beverly International Ultra 40 500 Tablets dropped by 14.1% to $48.56 at Best Price Nutrition
- Jun 02, 2026Optimum Nutrition Glutamine 240 Capsules dropped by 20.1% to $13.11 at AllStarHealth
- Jun 02, 2026Twinlab Amino Fuel Liquid 16 Oz. (only Orange Rush) dropped by 35% to $11.43 at AllStarHealth
- Jun 02, 2026Nutrex L-Carnitine 3000 16 Oz. (only Blue Raspberry) dropped by 16.7% to $24.99 at Amazon
- Jun 02, 2026EVLution Nutrition BCAA Lean Energy 30 Servings (only Fruit Punch) dropped by 11.6% to $26.52 at Walmart
- Jun 02, 2026GNC Pro Performance - L-Carnitine 60 Tablets dropped by 75.1% to $4.22 at GNC
- Jun 01, 2026AllMax Nutrition Aminocore BCAA 30 Servings (only Blue Raspberry, Fruit Punch, Pineapple Mango, Pink Lemonade, Sweet Tea) dropped by 6.2% to $29.99 at Muscle and Strength
- Jun 01, 2026Optimum Nutrition Superior Amino 2222 320 Tablets dropped by 6.7% to $34.99 at Muscle and Strength
- Jun 01, 2026Primeval Labs L-Carnitine Max 3000 16 Oz. dropped by 7.6% to $24.00 at Muscle and Strength
- Jun 01, 2026Metabolic Nutrition L-Carnitine 3500 16 Oz. (only Frozen Orange Pop, Green Apple Candy, Sweet Grape Candy) dropped by 24.8% to $19.99 at Muscle and Strength
- Jun 01, 2026Metabolic Nutrition L-Carnitine 3500 16 Oz. (only Sour Kiwi Gummy) dropped by 50% to $19.99 at Muscle and Strength
- Jun 01, 2026NOW Sports - L-Glutamine 1000 Grams dropped by 6.7% to $33.64 at Amazon
- Jun 01, 2026Sports Research L-Glutamine 300 Grams dropped by 25.5% to $14.97 at Amazon
- May 31, 2026Nutricost L-Citrulline 250 Grams dropped by 15.8% to $19.95 at Amazon
- May 30, 2026GNC L-Arginine 180 Capsules dropped by 15% to $30.59 at GNC
- May 29, 2026Muscle Pharm Select L-Carnitine 3000 16 Oz. dropped by 10.2% to $35.00 at Muscle and Strength
- May 29, 2026GNC L-Arginine 90 Capsules (only 500mg) dropped by 15% to $16.99 at GNC
- May 28, 2026NOW L-Glutamine 120 Vcaps dropped by 14.1% to $7.99 at AllStarHealth
- May 28, 2026NOW L-Tyrosine 90 Capsules dropped by 9.1% to $10.99 at DPS Nutrition
- May 27, 2026Beverly International Energy Reserve 60 Tablets dropped by 10.5% to $26.25 at DPS Nutrition
- May 26, 2026Ronnie Coleman L-Carnitine XS 4000 16 Oz. (only Apple Bomb) dropped by 36.2% to $19.99 at Muscle and Strength
- May 26, 2026Ronnie Coleman L-Carnitine XS 4000 16 Oz. (only Berry Blast, Cherry Rush, Cotton Candy, Grape Nectar, Orange Creamsicle, Ruby Red Fruit, Tropical Passion Fruit) dropped by 39.4% to $19.99 at Muscle and Strength
- May 26, 2026Swanson Glutamic Acid 60 Vcaps dropped by 8.8% to $12.03 at iHerb.com
- May 25, 2026EVLution Nutrition BCAA 5000 240 Capsules dropped by 13.7% to $14.96 at iHerb.com
- May 24, 2026Source Naturals L-Lysine (Free Form) 100 Tablets (only 500mg) dropped by 10.2% to $10.03 at VitaCost.com
- May 24, 2026MuscleMeds Amino Decanate 30 Servings (only Citrus Lime, Fruit Punch) dropped by 30% to $18.58 at iHerb.com
- May 24, 2026PrimaForce Taurine 250 Grams dropped by 11.5% to $9.99 at AllStarHealth
- May 23, 2026BodyTech Critical Aminos XT 45 Servings (only Strawberry Lemonade) dropped by 6.8% to $26.56 at Amazon
- May 23, 2026GNC L-Arginine & L-Citrulline 120 Capsules dropped by 15% to $33.99 at GNC
- May 21, 2026NOW Sports - L-Glutamine 240 Vcaps dropped by 20.9% to $21.99 at Muscle and Strength
- May 21, 2026BODYSTRONG L-Carnitine Liquid 16 Oz. dropped by 30.1% to $9.50 at AllStarHealth
- May 21, 2026VMI Sports L-Carnitine 3000 16 Oz. (only Gummy Bear) dropped by 26.9% to $18.99 at Amazon
- May 19, 2026NOW L-Carnitine 50 Tablets dropped by 12.9% to $15.99 at AllStarHealth
- May 19, 2026iSatori L-Carnitine LS3 - 3000 16 Oz. (only Bombsicle) dropped by 7% to $21.99 at AllStarHealth
- May 19, 2026EVLution Nutrition L-Citrulline 2000 200 Grams dropped by 24.5% to $15.10 at iHerb.com
- May 18, 2026GHOST BCAA 30 Servings (only Kiwi Strawberry) dropped by 6.6% to $22.40 at Ghost Lifestyle
- May 16, 2026GNC Total Lean - L-Carnitine 60 Tablets dropped by 15% to $25.49 at GNC
- May 15, 2026Ronnie Coleman BCAA-XS 200 Tablets dropped by 36% to $15.99 at Muscle and Strength
- May 14, 2026GNC Pro Performance - Essential Amino Complete 30 Servings (only Tangy Orange) dropped by 15% to $29.74 at GNC
- May 12, 2026Gaspari Nutrition SizeOn - Get Swole 5 Servings dropped by 33.4% to $9.99 at Amazon
- May 12, 2026Ronnie Coleman BCAA-XS 30 Servings (only Green Apple) dropped by 16.3% to $9.30 at iHerb.com
- May 11, 2026Rule 1 Citrulline 60 Servings dropped by 50% to $23.99 at Muscle and Strength
- May 10, 2026ARO Glutamine 100 Tablets dropped by 39.2% to $7.29 at VitaCost.com
- May 10, 2026Vitacost L-Arginine HCl 300 Capsules dropped by 35% to $16.89 at VitaCost.com
- May 10, 2026Source Naturals L-Lysine 200 Tablets (only 1000mg) dropped by 27.8% to $11.73 at iHerb.com
- May 10, 2026Source Naturals L-Arginine 100 Tablets (only 1000mg) dropped by 15% to $12.32 at iHerb.com
- May 07, 2026VMI Sports L-Carnitine 3000 16 Oz. (only Patriot Pop) dropped by 24% to $18.99 at Amazon
- May 07, 2026VMI Sports L-Carnitine 3000 16 Oz. (only Peach Mango) dropped by 18.9% to $18.99 at Amazon
- May 07, 2026VMI Sports L-Carnitine 3000 16 Oz. (only PEZ Cherry, PEZ Grape) dropped by 20% to $19.99 at Amazon
- May 06, 2026EVLution Nutrition L-Arginine1500 100 Capsules dropped by 15% to $8.84 at iHerb.com
- May 05, 2026Force Factor L-Carnitine 16 Oz. (only Liquid - Berry 3000mg) dropped by 21.7% to $17.99 at Muscle and Strength
- May 05, 2026NutraBio Taurine 500 Grams dropped by 10% to $22.99 at NutraBio
- May 05, 2026Fresh Supps Amino 30 Servings (only Blueberry Pomegranate, Lemon Italian Ice) dropped by 15.4% to $32.99 at FreshSupps.com
- May 05, 2026Fresh Supps Amino 30 Servings (only Shark Gummies) dropped by 26.7% to $32.99 at FreshSupps.com
- May 04, 2026Jarrow Formulas L-Glutamine 120 Vcaps dropped by 27.6% to $11.99 at AllStarHealth
- May 04, 2026AllMax Nutrition Leucine 400 Grams dropped by 34.1% to $9.87 at AllStarHealth
- May 04, 2026Optimum Nutrition Glutamine 1000 Grams dropped by 9.3% to $47.99 at Muscle and Strength
- May 03, 2026Source Naturals L-Glutamine 453 Grams dropped by 30% to $25.88 at iHerb.com
- May 03, 2026MuscleMeds Glutamine Decanate 300 Grams dropped by 30% to $12.96 at iHerb.com
- Apr 30, 2026AllMax Nutrition Glutamine 100 Grams dropped by 13.6% to $3.89 at Muscle and Strength
- Apr 29, 2026NOW L-Arginine 180 Vcaps (only 700mg) dropped by 6% to $13.99 at AllStarHealth
- Apr 29, 2026NOW L-Citrulline 90 Vcaps dropped by 7.1% to $12.99 at AllStarHealth
- Apr 28, 2026NOW Taurine 100 Vcaps (only 1000mg) dropped by 12.5% to $6.99 at AllStarHealth
- Apr 28, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Blueberry Lemonade, Mango Pineapple) dropped by 8.5% to $34.97 at DPS Nutrition
- Apr 28, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Peach Tea) dropped by 16% to $34.97 at DPS Nutrition
- Apr 25, 2026EVLution Nutrition BCAA Energy 30 Servings (only Rocket Pop) dropped by 13.1% to $16.98 at Walmart
- Apr 23, 2026iSatori L-Carnitine LS3 - 1500 16 Oz. (only Blue Raspberry) dropped by 13.9% to $17.99 at Amazon
- Apr 23, 2026Core Nutritionals Liquid L-Carnitine 3000 16 Oz. (only Fun Sweets Orange Cream) dropped by 16.7% to $19.99 at Amazon
- Apr 23, 2026Ronnie Coleman BCAA-XS 30 Servings (only Guava Nectarine) dropped by 32.4% to $16.90 at Amazon
- Apr 22, 2026Hi-Tech Pharmaceuticals Taurine 120 Vcaps dropped by 16.9% to $10.76 at Best Price Nutrition
- Apr 21, 2026GNC Pro Performance - BCAA 240 Softgels dropped by 15% to $29.74 at GNC
- Apr 20, 2026Nutrex L-Carnitine 3000 16 Oz. (only Mango Chamoy) dropped by 24.2% to $18.00 at Best Price Nutrition
- Apr 20, 2026ALR HumaPro 90 Servings (only Apple Pear, Blue Raspberry, Exotic Peach Mango, Fresh Cut Pineapple, Mandarin Orange, Passion Fruit, Rocket Pop, Sour Grape, Southern Sweet Tea, Strawberry Kiwi) dropped by 10% to $44.96 at Best Price Nutrition
- Apr 20, 2026ALR HumaPro 45 Servings (only Apple Pear, Blue Raspberry, Exotic Peach Mango, Fresh Cut Pineapple, Mandarin Orange, Rocket Pop, Sour Grape, Southern Sweet Tea, Strawberry Kiwi) dropped by 10% to $28.76 at Best Price Nutrition
- Apr 20, 2026ALR HumaPro 450 Tablets dropped by 8% to $43.16 at Best Price Nutrition
- Apr 20, 2026ALR HumaPro 300 Tablets dropped by 10% to $34.16 at Best Price Nutrition
- Apr 20, 2026NOW L-Lysine 100 Capsules dropped by 8.3% to $5.40 at Best Price Nutrition
- Apr 20, 2026Hi-Tech Pharmaceuticals CarniSlim 120 Tablets dropped by 10% to $25.16 at Best Price Nutrition
- Apr 20, 2026NOW L-Serine 120 Vcaps dropped by 18.6% to $18.94 at DPS Nutrition
- Apr 20, 2026NutraBio L-Leucine 180 Vcaps dropped by 10% to $21.99 at NutraBio
- Apr 20, 2026GHOST Intra 20 Servings (only Lemon Lime) dropped by 15.8% to $32.00 at Ghost Lifestyle
- Apr 20, 2026GHOST BCAA 30 Servings (only Lemon Crush) dropped by 6.6% to $22.40 at Ghost Lifestyle
- Apr 19, 2026Core Nutritionals Liquid L-Carnitine 3000 16 Oz. (only Fun Sweets Blue Raspberry, Fun Sweets Cherry Berry) dropped by 16.7% to $19.99 at Amazon
- Apr 17, 2026MuscleTech Clear Muscle Liquid HMB 84 Softgels dropped by 10% to $36.00 at MuscleTech.com
- Apr 15, 2026GHOST BCAA 30 Servings (only Sour Strips Rainbow) dropped by 7.7% to $23.99 at AllStarHealth
- Apr 15, 2026GHOST Intra 20 Servings (only Welch's Grape) dropped by 16.7% to $29.99 at AllStarHealth
- Apr 15, 2026GHOST Intra 20 Servings (only Blue Raspberry, Orange Squeeze) dropped by 6.3% to $29.99 at AllStarHealth
- Apr 14, 2026NOW L-Tyrosine 4 Oz. dropped by 35.7% to $8.99 at Muscle and Strength
- Apr 10, 2026Designs For Health Amino Complex 30 Servings (only Orange) dropped by 9.1% to $78.84 at iHerb.com
- Apr 08, 2026Xtend Original Elite Recovery 30 Servings (only Italian Blood Orange) dropped by 10.5% to $23.80 at Cellucor.com
- Apr 07, 2026Gaspari Nutrition SizeOn - Get Swole 24 Servings (only Mango Splash) dropped by 12.6% to $34.94 at DPS Nutrition
- Apr 06, 2026SAN L-Carnitine 3000 16 Oz. dropped by 50% to $29.99 at Muscle and Strength
- Apr 05, 2026Source Naturals L-Arginine 100 Capsules dropped by 7.4% to $7.87 at iHerb.com
- Apr 01, 2026Unmatched Supps INTRA 20 Servings dropped by 10% to $54.00 at Unmatched Supps
- Mar 27, 2026Hosstile Supplements Citrulline 180 Grams dropped by 33.3% to $18.00 at Hosstile.com
- Mar 22, 2026Healthy 'N Fit Anabolic Amino 10,000 180 Tablets dropped by 11% to $25.82 at VitaCost.com
- Mar 22, 2026Source Naturals L-Glutamine 100 Tablets dropped by 15.1% to $8.26 at iHerb.com
- Mar 19, 2026NOW Taurine 100 Capsules (only 500mg) dropped by 16.6% to $4.99 at AllStarHealth
- Mar 17, 2026Xtend Original Elite Recovery 30 Servings (only Air Heads - Rainbow Berry) dropped by 10.5% to $23.80 at Cellucor.com
- Mar 17, 2026Nutricost L-Lysine 500 Grams dropped by 6.3% to $14.21 at eSupplements
- Mar 15, 2026Prolab Amino Gel-Caps 200 Softgels dropped by 31.8% to $19.12 at AllStarHealth
- Mar 13, 2026Core Nutritionals ABC 20 Servings (only White Pineapple Strawberry) dropped by 20% to $34.99 at Core Nutritionals
- Mar 11, 2026Rich Piana 5% Nutrition Liquid L-Carnitine 3150 16 Oz. (only Blue Raspberry, Fruit Punch) dropped by 16.7% to $21.95 at DPS Nutrition
- Mar 09, 2026Kaged Citrulline 200 Grams dropped by 6.2% to $15.00 at Kaged.com
- Mar 04, 2026AllMax Nutrition Aminocore BCAA 90 Servings (only Sweet Tea) dropped by 12% to $43.99 at DPS Nutrition
- Mar 04, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Southern Sweet Tea) dropped by 12.9% to $63.99 at DPS Nutrition
- Mar 02, 2026Solaray L-Lysine Beta Glucan 60 Vcaps dropped by 14.8% to $9.89 at AllStarHealth
- Feb 15, 2026Healthy 'N Fit Anabolic Amino 10,000 1.32 Lbs. dropped by 9.1% to $30.00 at AllStarHealth
- Feb 10, 2026Pro Supps L-Carnitine 3000 16 Oz. (only Berry) dropped by 15.8% to $23.99 at AllStarHealth
- Feb 08, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 25 Servings (only Fruit Punch (Caffeinated)) dropped by 8.9% to $37.96 at Ruesco Supplement Outlet
- Feb 05, 2026Nutrex EAA+ Hydration 30 Servings (only Maui Twist) dropped by 23.6% to $12.99 at DPS Nutrition
- Feb 05, 2026Nutrex EAA+ Hydration 30 Servings (only Fruit Punch) dropped by 18.8% to $12.99 at DPS Nutrition
- Feb 03, 2026NutraBio Intra Blast 30 Servings (only Colada Crush) dropped by 10% to $49.99 at NutraBio
- Jan 30, 2026Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Watermelon) dropped by 8.5% to $34.97 at DPS Nutrition
- Jan 16, 2026Nutrex EAA+ Hydration 30 Servings (only Strawberry Watermelon) dropped by 18.8% to $12.99 at DPS Nutrition
- Jan 15, 2026AllMax Nutrition Aminocore BCAA 90 Servings (only Pineapple Mango) dropped by 9.3% to $36.29 at AllStarHealth
- Jan 15, 2026The Vitamin Shoppe L-Tyrosine 300 Capsules dropped by 13.1% to $31.34 at iHerb.com
- Jan 14, 2026Pro Supps L-Carnitine 3000 16 Oz. (only Dragon Fruit) dropped by 15.8% to $23.99 at AllStarHealth
- Jan 09, 2026PEScience Amino IV 0.5 Servings (only Strawberry Lemonade) dropped by 37.1% to $1.07 at PEScience
- Jan 09, 2026PEScience Amino IV 1 Serving dropped by 37.1% to $1.07 at PEScience
- Jan 02, 2026Apollon Nutrition ENIGMA 20 Servings (only Paloma, Pineapple) dropped by 14.9% to $46.75 at Apollon Nutrition
- Dec 30, 2025Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Southern Sweet Tea (Caffeinated)) dropped by 13.2% to $41.65 at Rich Piana 5% Nutrition
- Dec 29, 2025Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Blue Raspberry) dropped by 8.5% to $34.97 at DPS Nutrition
- Dec 23, 2025Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Italian Lemon Ice) dropped by 28.6% to $34.97 at DPS Nutrition
- Dec 22, 2025NOW L-Arginine 250 Vcaps dropped by 32.4% to $10.99 at Muscle and Strength
- Dec 14, 2025Source Naturals L-Tyrosine 100 Grams dropped by 11.1% to $7.99 at AllStarHealth
- Dec 12, 2025Nutricost L-Lysine 500 Capsules (only 500mg as L-Lysine HCI) dropped by 23% to $21.95 at Amazon
- Oct 02, 2025Jarrow Formulas L-Tyrosine 500 100 Capsules dropped by 25.9% to $9.99 at AllStarHealth
- Sep 15, 2025Ronnie Coleman L-Arginine xs 180 Tablets dropped by 52.5% to $18.99 at Muscle and Strength
- Sep 08, 2025MHP Fit & Lean - Amino Hydration 30 Servings dropped by 33.3% to $39.99 at Muscle and Strength
- Aug 15, 2025PEScience Amino IV 30 Servings (only Sour Green Apple) dropped by 15% to $25.50 at PEScience
- Aug 01, 2025GHOST BCAA 30 Servings (only Sour Patch Kids RedBerry) dropped by 6.6% to $22.40 at Ghost Lifestyle
- Jun 30, 2025NOW Taurine 100 Vcaps (only 500mg) dropped by 8.2% to $5.80 at iHerb.com
- Mar 22, 2025Country Life L-Lysine 60 Chewables dropped by 15.8% to $11.99 at AllStarHealth
- Dec 31, 2024Olympian Labs Arginine & Ornithine 100 Capsules dropped by 10.8% to $18.01 at AllStarHealth
- Jun 09, 2024Solgar L-Lysine 100 Tablets dropped by 10.2% to $10.63 at iHerb.com
- May 09, 2024Nutricost L-Arginine 300 Capsules dropped by 10.2% to $16.11 at eSupplements
- Feb 20, 2024Nutrex L-Carnitine 1000 60 Capsules dropped by 33.3% to $19.99 at Nutrex
- Feb 19, 2024Solgar L-Lysine 250 Tablets dropped by 10.4% to $21.86 at iHerb.com
- Jan 10, 2024PEScience Amino IV 60 Servings dropped by 9.1% to $42.50 at PEScience
- Jun 22, 2023PEScience Amino IV 30 Servings (only Orange Dreamsicle) dropped by 15% to $25.50 at PEScience
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Nov 13, 2025Core Nutritionals x Fun Sweets Mystery Cotton Candy -- Guess the Secret Flavors!
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Nov 12, 2025Unmatched ElectraShred Knockout Punch: The Limited Edition Hydration Formula You Need
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Nov 04, 2025Have you used GHOST BCAA?
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Nov 03, 2025GHOST BCAA Blue Raspberry – Worth Adding to Your Stack?
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Nov 03, 2025@Nutristat amino script 🔥
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Nov 03, 2025Are you buying BCAAs?
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Oct 31, 2025GHOST BCAA New Flavors Taste Test — Blue Raspberry, Pineapple, Strawberry Watermelon
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Oct 28, 2025UK vs US Supplements: Strom Sports & PLT Health | Episode #187
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Oct 25, 2025GHOST BCAA Adds Strawberry Watermelon to Permanent Lineup
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Oct 24, 2025Brew Shockalaka: Zero-Sugar Nootropic Coffee That Actually Works
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Oct 15, 2025Muscle Loss After 30? Here’s the Fix (myHMB for Women)
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Oct 14, 2025Safranal Explained: The Real Reason Saffron Beats Antidepressants in Stress Research
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Oct 02, 2025MuscleTech's Quality Control and Innovation Pipeline with Raza Bashir | Episode #183
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Sep 26, 2025GHOST Fall 2025 Flavors: Welch’s Grape-Cran BCAA & Cranberry Greens
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Sep 24, 2025@GHOST LIFESTYLE fall flavors are here!
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Sep 19, 2025Ghost BCAA Welch’s Grape Cranberry + New Greens Flavor | Fall 2025 Launch
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Sep 18, 2025Core Nutritionals Transformers Starscream: Here's What You Need to Know
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Sep 13, 2025Saquon Barkley Partners with C4 Sport | NSF Certified + Exclusive Bundle Deal
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Sep 10, 2025GHOST x Sour Strips Rainbow 2025: Legend V4, Clear Whey, BCAA, Energy Get the Sour Treatment
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Sep 06, 2025GHOST Sour Strips Collab is BACK! Energy, Pre, BCAA & Clear Whey
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Aug 31, 2025How Nitric Oxide Works in Animal Pump Products: The Science Behind Superior Pumps
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Aug 30, 2025Nutristat PÜRPEPTIDE: Why PeptoPro Peptides Work When Other Aminos Don't
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Aug 30, 2025What you need to know about PürPeptide from @nutristat 🧬 #supplements #recovery #peptide
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Aug 26, 2025Plasma Whey & Plasma BCAA by MuscleTech | 123% Better Bioavailability + 2.8x Absorption
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