Amino Acids
Amino acid supplements as single amino acids, blends and powders. The collection covers the ones people most often look for: NAC (N-acetyl-L-cysteine), L-glutamine in capsules and bulk powder, glutathione including liposomal glutathione, L-theanine, taurine, glycine, L-tryptophan, L-lysine, GABA, creatine, acetyl-L-carnitine and branched-chain amino acids (BCAAs). Most are capsules or powders, with some liquids and tablets. Brands include Pure Encapsulations, Life Extension, Thorne, Protocol For Life Balance and DaVinci Laboratories. Each product page shows the amount per serving and whether the amino acid is in free form or part of a blend, so compare the supplement facts rather than the front label. Sorted by best-selling; filter by brand or form.
Related: Protein Powder, Sports Performance, Liver Support.
L-Glutamine (100 Capsules)
Klaire Labs - SFI HealthL-Glutamine (100 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule, 1 to 4...
View full detailsNAC (N-Acetyl-L-Cysteine) (60 Capsules)
Metabolic MaintenanceNAC (N-Acetyl-L-Cysteine) (60 Capsules) by Metabolic Maintenance is a dietary supplement in capsule form. Manufacturer Suggested Use: One (1) caps...
View full detailsEssential Aminos (180 Capsules)
Pure EncapsulationsEssential Aminos (180 Capsules) by Pure Encapsulations is a dietary supplement in capsule form. Attributes: Vegetarian. Manufacturer Suggested Us...
View full detailsAmino Complex
ThorneAmino Complex by Thorne is a dietary supplement in powder form. Available in multiple flavors and sizes. Manufacturer Suggested Use: Mix 1 scoop w...
View full detailsAcetyl-L-Carnitine Arginate (90 Capsules)
Life ExtensionAcetyl-L-Carnitine Arginate (90 Capsules) by Life Extension is a dietary supplement in capsule form. Manufacturer Suggested Use: Take one (1) caps...
View full detailsUltraDetox 10-Day Pure Pack (10 Packets)
Pure EncapsulationsUltraDetox 10-Day Pure Pack (10 Packets) by Pure Encapsulations is a dietary supplement in packet form. Attributes: Vegetarian. Manufacturer Sugg...
View full detailsBCAA Capsules
Pure EncapsulationsBCAA Capsules by Pure Encapsulations is a dietary supplement in capsule form. Available in multiple sizes. Attributes: Vegetarian. Manufacturer S...
View full detailsL-Glutamine
Protocol For Life BalanceL-Glutamine by Protocol For Life Balance is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 to 5 capsules daily, or as di...
View full detailsL-Theanine
XymogenL-Theanine by Xymogen is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested Use: Take one to two capsules t...
View full detailsPharmaGABA (100 mg) (60 Capsules)
ThornePharmaGABA (100 mg) (60 Capsules) by Thorne is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule one to three times...
View full detailsL-Glutamine Powder (100 g Powder)
Life ExtensionL-Glutamine Powder (100 g Powder) by Life Extension is a dietary supplement in powder form. Manufacturer Suggested Use: Take 1/2 teaspoon daily on...
View full detailsBPC Rapid Pro (60 Capsules)
InfiniWellBPC Rapid Pro (60 Capsules) by InfiniWell is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule twice daily or as di...
View full detailsL-Serine (60 Capsules)
Douglas LaboratoriesL-Serine (60 Capsules) by Douglas Laboratories is a dietary supplement in capsule form. Manufacturer Suggested Use: As a dietary supplement, adult...
View full detailsUltraMeal Advanced Protein
MetagenicsUltraMeal Advanced Protein by Metagenics is a dietary supplement in powder form. Available in multiple flavors. Manufacturer Suggested Use: Take o...
View full detailsTheanine Serene with Relora (60 Tablets)
Source NaturalsTheanine Serene with Relora (60 Tablets) by Source Naturals is a dietary supplement in tablet form. Manufacturer Suggested Use: 2 tablets daily. ...
View full detailsLife Extension Mix Without Copper (360 Capsules)
Life ExtensionLife Extension Mix Without Copper (360 Capsules) by Life Extension is a dietary supplement in capsule form. Manufacturer Suggested Use: Take twelv...
View full detailsUltraClear Detox Powder (Vanilla) (21 Servings)
MetagenicsUltraClear Detox Powder (Vanilla) (21 Servings) by Metagenics is a dietary supplement in powder form. Manufacturer Suggested Use: Shake canister b...
View full detailsL-Theanine (60 Capsules)
Ortho Molecular Products
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L-Theanine (60 Capsules) by Ortho Molecular Products is a dietary supplement in capsule form. Manufacturer Suggested Use: 1 capsule per day or as ...
View full detailsL-Glutamine 85 Servings
XymogenL-Glutamine 85 Servings by Xymogen is a dietary supplement in powder form. Manufacturer Suggested Use: Take one scoop daily, mixed with plain wate...
View full detailsUltra Glucose Control
MetagenicsUltra Glucose Control by Metagenics is a dietary supplement in powder form. Available in multiple flavors and sizes. Manufacturer Suggested Use: B...
View full detailsBPC Delayed Pro (60 Capsules)
InfiniWellBPC Delayed Pro (60 Capsules) by InfiniWell is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule twice daily or as ...
View full detailsL-Theanine (200 mg)
Vital NutrientsL-Theanine (200 mg) by Vital Nutrients is a dietary supplement in capsule form. Available in multiple sizes. Manufacturer Suggested Use: Take 1 ca...
View full detailsNAC (N-Acetyl-L-Cysteine) (180 Capsules)
KarunaNAC (N-Acetyl-L-Cysteine) (180 Capsules) by Karuna is a dietary supplement in capsule form. Manufacturer Suggested Use: 2 - 6 capsules per day, in...
View full detailsAmino NAC (500 mg) (60 Capsules)
GenestraAmino NAC (500 mg) (60 Capsules) by Genestra is a dietary supplement in capsule form. Manufacturer Suggested Use: Adult Smokers, Adults with Chron...
View full detailsBCAA Powder (227 Grams)
Pure EncapsulationsBCAA Powder (227 Grams) by Pure Encapsulations is a dietary supplement in powder form. Attributes: Vegetarian. Manufacturer Suggested Use: As a d...
View full detailsKlean Essential Aminos +HMB
Klean AthleteKlean Essential Aminos +HMB by Klean Athlete is a dietary supplement in powder form. Manufacturer Suggested Use: As a dietary supplement, adults t...
View full detailsL-Tryptophan (500 mg) (90 Capsules)
Life ExtensionL-Tryptophan (500 mg) (90 Capsules) by Life Extension is a dietary supplement in capsule form.
Cocoa HGH (16.4 Ounces Powder)
DaVinci LaboratoriesCocoa HGH (16.4 Ounces Powder) by DaVinci Laboratories is a dietary supplement in powder form. Manufacturer Suggested Use: As a dietary supplement...
View full detailsL-Lysine (100 Capsules)
Klaire Labs - SFI HealthL-Lysine (100 Capsules) by Klaire Labs - SFI Health is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule, 1 to 6 ti...
View full detailsL-Tyrosine (500 mg) (100 Capsules)
Allergy Research GroupL-Tyrosine (500 mg) (100 Capsules) by Allergy Research Group is a dietary supplement in capsule form. Manufacturer Suggested Use: As a dietary sup...
View full detailsCreatine + Alpha GPC (231 Grams Powder)
ThorneCreatine + Alpha GPC (231 Grams Powder) by Thorne is a dietary supplement in level powder form. Key Ingredients: Creatine Monohydrate, Alpha-GPC. ...
View full detailsTaurine 1000 mg (120 Capsules)
Vital NutrientsTaurine 1000 mg (120 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 2 vegan capsules, twic...
View full detailsL-Glutamine Powder (1 Pounds)
Protocol For Life BalanceL-Glutamine Powder (1 Pounds) by Protocol For Life Balance is a dietary supplement in rounded teaspoon form. Manufacturer Suggested Use: Mix 1 rou...
View full detailsL-Arginine (120 Tablets)
Protocol For Life BalanceL-Arginine (120 Tablets) by Protocol For Life Balance is a dietary supplement in tablet form. Manufacturer Suggested Use: Take 1 tablet twice dail...
View full detailsL-Lysine 500 mg (100 Capsules)
Vital NutrientsL-Lysine 500 mg (100 Capsules) by Vital Nutrients is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1-3 capsules, 1-3 time...
View full detailsL-Lysine (90 Capsules)
XymogenL-Lysine (90 Capsules) by Xymogen is a dietary supplement in capsule form. Manufacturer Suggested Use: Preferably on an empty stomach, take one to...
View full detailsNAC (N-Acetyl Cysteine) (500 mg) (90 Capsules)
DaVinci LaboratoriesNAC (N-Acetyl Cysteine) (500 mg) (90 Capsules) by DaVinci Laboratories is a dietary supplement in capsule form. Manufacturer Suggested Use: As a d...
View full detailsKlean BCAA + PEAK ATP (258 Grams)
Klean AthleteKlean BCAA + PEAK ATP (258 Grams) by Klean Athlete is a dietary supplement in powder form. Manufacturer Suggested Use: Mix one scoop with 8-10 oz....
View full detailsKlean Glutamine (491 Grams Powder)
Klean AthleteKlean Glutamine (491 Grams Powder) by Klean Athlete is a dietary supplement in powder form. Manufacturer Suggested Use: As a dietary supplement, a...
View full detailsGlycine Pure Powder (1 Pound)
NOWGlycine Pure Powder (1 Pound) by NOW is a dietary supplement in powder form. Manufacturer Suggested Use: Take 1/4 - 3/4 level teaspoon daily mixed...
View full detailsAmino 21 (90 Capsules)
DaVinci LaboratoriesAmino 21 (90 Capsules) by DaVinci Laboratories is a dietary supplement in capsule form. Manufacturer Suggested Use: As a dietary supplement, take ...
View full detailsL-Glutamine Powder (30 5 grams)
DaVinci LaboratoriesL-Glutamine Powder (30 5 grams) by DaVinci Laboratories is a dietary supplement in powder form. Manufacturer Suggested Use: As a dietary supplemen...
View full detailsPure L-Threonine (500 mg) (100 Capsules)
MontiffPure L-Threonine (500 mg) (100 Capsules) by Montiff is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1-2 capsules per day...
View full detailsL-Tryptophan (1000 mg) (60 Tablets)
Protocol For Life BalanceL-Tryptophan (1000 mg) (60 Tablets) by Protocol For Life Balance is a dietary supplement in tablet form. Manufacturer Suggested Use: Take 1 tablet...
View full detailsTaurine (100 Capsules)
Protocol For Life BalanceTaurine (100 Capsules) by Protocol For Life Balance is a dietary supplement in capsule form. Manufacturer Suggested Use: Take 1 capsule 1 to 2 tim...
View full detailsGlutathione Precursors (30 Capsules)
GenestraGlutathione Precursors (30 Capsules) by Genestra is a dietary supplement in capsule form. Manufacturer Suggested Use: Take one capsule daily with ...
View full detailsPremier Aminos-FX
Premier Research LabsPremier Aminos-FX by Premier Research Labs is a dietary supplement in powder form. Available in multiple flavors.
Whey Protein (476 Grams Powder)
Premier Research LabsWhey Protein (476 Grams Powder) by Premier Research Labs is a dietary supplement in powder form.