Magnesium Ascorbate Crystals from China
High-bioavailability magnesium salt of ascorbic acid for mineral-vitamin combination supplements. HTS 2936.27.00.00 per classification rules for organic compound salts. Supports both immune and electrolyte functions.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include magnesium content analysis (<10% typically) to maintain vitamin classification
• Provide stability data for hygroscopic crystals during ocean transport
• Avoid anti-caking agents exceeding Chapter 29 note (f) limits