Ascorbyl Palmitate Vitamin C Sustained-Release from China
Sustained-release caplets of ascorbyl palmitate, an aromatic-modified Vitamin C ester for prolonged therapeutic absorption in cold prevention, measured at 500mg doses. HTS 3004.50.40.00 covers these retail-packed synthetic vitamin forms for prophylactic uses.
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
• Submit dissolution profile data for sustained-release claims during customs review
• Label ester form clearly to differentiate from standard ascorbic acid