| Powder: | Yes |
|---|---|
| Customized: | Customized |
| Certification: | GMP, HSE, ISO 9001, USP, BP, / |
| Suitable for: | Elderly, Children, Adult, / |
| State: | Powder |
| Purity: | 99% |
| Samples: |
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| Customization: |
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L-cystine was discovered in 1810 by Wollaston from bladder stones. In 1832, Berzelius named it cystine. It is a sulfur-containing amino acid, which is contained in a small amount in protein, and is mostly contained in keratin such as hair and finger paws.
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