Read the product reference below ↓Product information card · Not packaging. Open the dated label source and check the current pack.
Signature Supplements
International · U.S. label
100 Capsule(s) · U.S. label record
United States label record; current availability in any country is unconfirmed.
Browse International products ↗Leucine: 190 mg per 2 Capsule(s). U.S. label record entered 2025-09-25; retrieved 2026-11-02. Current formula and stock are unconfirmed.
THE PROOF & PRICE STANDARDSource-linked profile · Read what we checkInternational product reference
Research profile for a U.S.-market label. No current retailer offer, price or worldwide availability has been verified.
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A dated U.S. label reference. No NIH approval, laboratory testing or current retail offer is implied.
NIH Dietary Supplement Label Database record 338587. Entered 2025-09-25; retrieved 2026-11-02. This is a U.S. label reference, not confirmation of the current formula, stock or availability in another country. Database inclusion is not NIH approval or independent testing.
Recorded serving: 2 Capsule(s). Servings per container: 50. Amounts below retain their own serving basis; they are not personal dose instructions. Indented rows are components and should not be added again to their parent total.
| Ingredient / nutrient | Amount | Per |
|---|---|---|
| Leucine | 190 mg | 2 Capsule(s) |
| Lysine | 150 mg | 2 Capsule(s) |
| Phenylalanine | 119 mg | 2 Capsule(s) |
| Valine | 97 mg | 2 Capsule(s) |
| Threonine | 97 mg | 2 Capsule(s) |
| Methionine | 97 mg | 2 Capsule(s) |
| Isoleucine | 97 mg | 2 Capsule(s) |
| Histidine | 52 mg | 2 Capsule(s) |
| Tryptophan | 22 mg | 2 Capsule(s) |
Cellulose; Diatomaceous Earth
Open the original NIH DSLD label record ↗. Data: NIH Office of Dietary Supplements, DSLD, CC0 1.0. Read the current packaging before use.
Read about the ingredients, possible benefits, evidence and practical cautions for this product.
Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort or any allergic reaction. Compare each declared amount with its own serving basis. Read the full recorded precautions below and verify the current pack before use. No personal dose or suitability is inferred.
Whole-formula vegetarian or vegan suitability has not been independently established. Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort or any allergic reaction.
A dietary label does not establish allergy safety. Check the full ingredient and allergen panel.
Reviewed 2026-11-02. Label-based profile; this is not independent laboratory or batch testing.
90 Tablet(s) · U.S. label record
Read label profileU.S. label record · availability unconfirmed
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12.38 Ounce(s) / 351 Gram(s) · U.S. label record
Read label profileU.S. label record · availability unconfirmed
Details & ingredients
250 Vegetarian Capsule(s) · U.S. label record
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Details & ingredientsProduct strengths describe the label, not personal dosing advice. If you use medicines, have a medical condition, are pregnant or are choosing for a child, ask a qualified clinician about suitability. Prices, availability, import charges and delivery are confirmed by the retailer. Photos may show market-specific packaging. Text covers identify editorial profiles and do not depict packaging.