Source Naturals Riboflavin 100mg Sublingual from Canada
Sublingual 100mg Vitamin B2 tablets from aromatic synthesis for rapid absorption in therapeutic deficiency management. HTS 3004.50.10.00 for measured dose retail form.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Dissolution speed data for sublingual efficacy proof
• Taste-masking agent declaration without mixed status
• Quick-dissolve packing protects from humidity