Lipoic Acid (Alpha-Lipoic Acid) from Germany
Alpha-lipoic acid contains a five-membered disulfide ring with carboxylic acid, classified under HTS 2930.90.4950 as organo-sulfur acid. Direct C-S bonds qualify; cyclic but not excluded heterocyclic per note 8. Used as antioxidant supplement and diabetes treatment.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include R/S racemic mixture specification (rac-alpha-lipoic acid)
• Provide USP assay >98% and heavy metals certification
• Distinguish bulk powder from encapsulated supplement form