395 product profiles across 134 brands. Compare the selected format, ingredients and evidence before choosing.
Search and filter this category ↗Compare essential amino acids, BCAAs and individual amino acids without confusing a scoop of powder with complete dietary protein.
Potential benefits · Evidence limits · Forms & label amounts · Risks · Comparing value
240 Capsule(s) · U.S. label record
L-Arginine: 5000 mg per 8 Capsule(s). U.S. label record entered 2025-05-21; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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240 Capsule(s) · U.S. label record
L-Arginine Hydrochloride: 5000 mg per 8 Capsule(s). U.S. label record entered 2025-04-24; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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240 Capsule(s) · U.S. label record
L-Citrulline 3000 mg per 4 Capsule(s). U.S. label entered 2024-06-20; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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360 Capsule(s) · U.S. label record
L-Glutamine: 5000 mg per 6 Capsule(s). U.S. label record entered 2025-04-24; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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120 Capsule(s) · U.S. label record
L-Histidine: 500 mg per 1 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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120 Capsule(s) · U.S. label record
L-Leucine: 500 mg per 1 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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300 Capsule(s) · U.S. label record
L-Leucine: 5000 mg per 1 Capsule(s). U.S. label record entered 2025-04-24; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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180 Capsule(s) · U.S. label record
L-Lysine Hydrochloride: 1000 mg per 2 Capsule(s). U.S. label record entered 2025-04-24; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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100 Capsule(s) · U.S. label record
L-Methionine 500 mg per 1 Capsule(s). U.S. label entered 2023-07-18; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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180 Capsule(s) · U.S. label record
L-Ornithine Hydrochloride: 1000 mg per 2 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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180 Capsule(s) · U.S. label record
L-Phenylalanine: 500 mg per 1 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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240 Capsule(s) · U.S. label record
L-Proline 2000 mg per 4 Capsule(s). U.S. label entered 2024-06-20; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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180 Capsule(s) · U.S. label record
L-Serine: 500 mg per 1 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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120 Capsule(s) · U.S. label record
L-Threonine: 500 mg per 1 Capsule(s). U.S. label record entered 2025-04-24; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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300 Capsule(s) · U.S. label record
L-Tryptophan 500 mg per 2 Capsule(s). U.S. label entered 2024-05-23; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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120 Capsule(s) · U.S. label record
L-Tryptophan: 500 mg per 1 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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180 Capsule(s) · U.S. label record
L-Tyrosine: 1000 mg per 2 Capsule(s). U.S. label record entered 2024-06-20; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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500 Gram(s) / 17.6 Ounce(s) · U.S. label record
Taurine 500 mg per 500 mg. U.S. label entered 2023-07-18; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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100 Veg Capsule(s) · U.S. label record
L-Lysine 500 mg per 1 Veg Capsule(s). U.S. label entered 2023-11-22; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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100 g
The label serving is half a teaspoon, or one level 2 g scoop, supplying 2 g glycine. The selected tub contains 100 g.
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100 g
One teaspoon, or one level 3 g scoop, provides 3 g L-glutamine. The selected tub contains 100 g.
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100 g
Half a teaspoon, or one level 1.2 g scoop, provides 960 mg L-lysine from L-lysine hydrochloride. The official tub contains 100 g.
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100 g
One teaspoon, identified as one level 3.2 g scoop, provides 3.2 g taurine. The official pack contains 100 g.
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180 Capsule(s) · U.S. label record
L-Glutamine: 1000 mg per 2 Capsule(s). U.S. label record entered 2025-06-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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2 Pound(s) / 3 Ounce(s) / 1 Kilogram(s) · U.S. label record
L-Leucine 5 g per 20 g. U.S. label entered 2023-10-24; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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2.188 Pound(s) / 1 Kilogram(s) · U.S. label record
L-Leucine 5 g per 20 g. U.S. label entered 2023-12-14; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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2 Pound(s) / 8 Ounce(s) / 1.14 Kilogram(s) · U.S. label record
L-Leucine 5 g per 22.8 g. U.S. label entered 2023-09-25; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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2.3125 Pound(s) / 1.05 kg · U.S. label record
L-Leucine 5 g per 21 g. U.S. label entered 2023-12-14; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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100 Caplet(s) · U.S. label record
L-Lysine 1000 mg per 1 Caplet(s). U.S. label entered 2022-12-13; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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90 Capsule(s) · U.S. label record
L-Lysine 500 mg per 1 Vegetarian Capsule(s). U.S. label entered 2023-12-14; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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120 Vegetarian Capsule(s) · U.S. label record
L-Lysine Hydrochloride 1.5 g per 2 Capsule(s). U.S. label entered 2022-08-23; source retrieved 2026-11-02. Current formula and stock unconfirmed.
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200 g
One approximately 3 g scoop provides 3 g L-citrulline, with no other ingredients listed. The 200 g tub contains about 66 servings.
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120 veggie capsules
Each one-capsule serving supplies 500 mg L-tyrosine; the bottle provides 120 servings.
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300 g
One approximately 6 g scoop supplies 6 g L-arginine hydrochloride, with no other ingredients listed. The 300 g tub provides about 50 servings.
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300 g
One approximately 5 g scoop provides 5 g L-glutamine. The 300 g tub lists about 60 servings and no other ingredients.
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240 Capsule(s) · U.S. label record
L-Citrulline: 3000 mg per 4 Capsule(s). U.S. label record entered 2025-08-22; retrieved 2026-11-02. Current formula and stock are unconfirmed.
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