L-Arginine from Japan
L-Arginine semi-essential amino acid for nitric oxide production in cardiovascular supplements. HTS 2922.49.49 as basic amino acid with guanidino group. Popular in bodybuilding and erectile dysfunction formulas.
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
• Base vs AAKG salt forms; declare nitrosamine-free status
• Cardiovascular claims require qualified health claim substantiation