L‑Glycine
Simple amino acid that supports joint comfort, sleep quality and collagen structure
L‑Glycine is a core building block of collagen and is associated with nervous‑system relaxation and deep sleep, making it a smart choice for collagen, joint and night‑time recovery formulas
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L‑Cystine
Sulfur‑containing cystine dimer that helps build keratin and collagen for healthy hair, skin and nails
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L‑Arginine HCl
A highly soluble salt form of L‑arginine for capsules and instant powders that support nitric oxide, circulation and exercise capacity
