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Casein-Glutathione Conjugate from Japan

Casein-glutathione conjugate covalently links antioxidant tripeptide to casein for functional beverages and oxidative stress protection. Classified HTS 3501.90.60.00 as conjugated protein derivative beyond simple mixtures. Enhances stability of labile glutathione.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Use mass spec data confirming covalent conjugation over physical blend

Validate antioxidant capacity via ORAC/FRAP assays for claims support

Ensure cold chain <8°C for glutathione stability during import