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Amino acids.

674 product profiles across 188 brands. Compare the selected format, ingredients and evidence before choosing.

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Understand amino acids before choosing a brand.

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

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Page 17 of 19 · 36 shown
Proof & Price information card for Source Naturals L-Lysine 500 mg; not product packaging
Source Naturals

L-Lysine 500 mg

100 Capsule(s) · U.S. label record

L-Lysine Hydrochloride 500 mg per 1 Capsule(s). U.S. label entered 2023-08-23; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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Proof & Price information card for SuperiorLabs L-Citrulline 3,000 mg; not product packaging
SuperiorLabs

L-Citrulline 3,000 mg

150 Vegetable Capsule(s) · U.S. label record

L-Citrulline, Powder: 3000 mg per 5 Vegetarian Capsule(s). U.S. label record entered 2020-06-24; retrieved 2026-11-05. Current formula and stock are unconfirmed.

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Proof & Price information card for SuperiorLabs L-Lysine; not product packaging
SuperiorLabs

L-Lysine

120 Vegetable Capsule(s) · U.S. label record

L-Lysine: 500 mg per 1 Capsule(s). U.S. label record entered 2021-10-22; retrieved 2026-11-05. Current formula and stock are unconfirmed.

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Proof & Price information card for SuperiorLabs L-Tryptophan; not product packaging
SuperiorLabs

L-Tryptophan

120 Vegetable Capsule(s) · U.S. label record

L-Tryptophan: 500 mg per 1 Vegetarian Capsule(s). U.S. label record entered 2020-06-24; retrieved 2026-11-05. Current formula and stock are unconfirmed.

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Proof & Price information card for SuperiorLabs L-Tyrosine; not product packaging
SuperiorLabs

L-Tyrosine

120 Vegetable Capsule(s) · U.S. label record

L-Tyrosine: 500 mg per 1 Vegetarian Capsule(s). U.S. label record entered 2020-06-24; retrieved 2026-11-05. Current formula and stock are unconfirmed.

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Proof & Price information card for SuperSmart BCAA's; not product packaging
SuperSmart

BCAA's

250 Gram(s) / 8.81 Ounce(s) · U.S. label record

L-Leucine 5000 mg per 2 Scoop(s). U.S. label entered 2023-05-24; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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Proof & Price information card for SuperSmart L-Lysine 6000 mg; not product packaging
SuperSmart

L-Lysine 6000 mg

180 Vegetarian Capsule(s) · U.S. label record

L-Lysine 6000 mg per 12 Capsule(s). U.S. label entered 2023-05-24; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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Proof & Price information card for SuperSmart L-Proline 3000 mg; not product packaging
SuperSmart

L-Proline 3000 mg

180 Vegetarian Capsule(s) · U.S. label record

L-Proline: 3000 mg per 6 Capsule(s). U.S. label record entered 2024-07-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.

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Proof & Price information card for SuperSmart Lactoferrin; not product packaging
SuperSmart

Lactoferrin

60 Vegetarian Capsule(s) · U.S. label record

Lactoferrin: 500 mg per 2 Capsule(s). U.S. label record entered 2025-05-21; retrieved 2026-11-02. Current formula and stock are unconfirmed.

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Proof & Price information card for Swanson L-Serine 500 mg; not product packaging
Swanson

L-Serine 500 mg

60 Veggie Cap(s) · U.S. label record

AjiPure pharmaceutical grade L-Serine: 500 mg per 1 Veggie Capsule(s). U.S. label record entered 2025-08-22; retrieved 2026-11-02. Current formula and stock are unconfirmed.

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Proof & Price information card for TerraVita Premium Collection L-Arginine 450 mg; not product packaging
TerraVita Premium Collection

L-Arginine 450 mg

100 Capsule(s) · U.S. label record

L-Arginine 450 mg per 1 Capsule(s). U.S. label entered 2023-01-23; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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Proof & Price information card for TerraVita Premium Collection L-Lysine 450 mg; not product packaging
TerraVita Premium Collection

L-Lysine 450 mg

100 Capsule(s) · U.S. label record

L-Lysine 450 mg per 1 Capsule(s). U.S. label entered 2023-02-21; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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Proof & Price information card for The Asylum Cabinet by Insane Labz Glutamine Unflavored; not product packaging
The Asylum Cabinet by Insane Labz

Glutamine Unflavored

10.6 Ounce(s) / 300 Gram(s) · U.S. label record

L-Glutamine 5 g per 5 g. U.S. label entered 2023-10-24; source retrieved 2026-11-02. Current formula and stock unconfirmed.

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