L-Cystine
L-cystine is two cysteine molecules linked by a disulfide bond, a poorly water-soluble amino acid form that acts as a stable cysteine reservoir in the body.
Specimen · Amino Acids
L-Cystine
Ingredient Facts
Amino Acids
- Serving range250 mg – 750 mg
- Typical dose500 mg
- Available inCapsules · Powder
- DietaryVegan · Vegetarian · Gluten free · Caffeine free · Stimulant free
- AllergensNone declared
Every amount declared.
Part of the reviewed catalog — every ingredient is checked for identity, regulatory status, quality documentation, and manufacturability before it can appear in the builder. Our ingredient standards
In practiceTypically blended at 500 mg per serving · available in capsules and powder · adds about $0.30 per serving in the builder (estimate).
On your label
Supplement Facts
Preview — your blend
- L-Cystine500 mg
Every amount declared.
Sourcing & testing
- Backed by a certificate of analysis
- Tested for identity, purity, and potency
- Every amount declared on your label
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The builder
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