| 2936.29.10 | 00 | Folic acid | kg | Free | | 15.4¢/kg + 49% |
| 2936.29.15 | | Niacin and niacinamide | | Free | | 25% |
| 2936.29.15 | 20 | Other | kg | | | |
| 2936.29.15 | 30 | Niacinamide | kg | | | |
| 2936.29.15 | 10 | Niacin: | | | | |
| 2936.29.15 | 10 | Pharmaceutical grade | kg | | | |
| 2936.29.20 | 00 | Other: | | | | |
| 2936.29.20 | 00 | Aromatic or modified aromatic | kg | Free | | 15.4¢/kg + 45% |
| 2936.29.50 | | Other | | Free | | 25% |
| 2936.29.50 | 20 | Vitamins D and their derivatives | kg | | | |
| 2936.29.50 | 30 | Biotin | kg | | | |
| 2936.29.50 | 50 | Other | kg | | | |
| 2936.90.01 | | Other, including proviatmins and natural concentrates | | Free | | 25% |
| 2936.90.01 | 10 | Provitamins | kg | | | |
| 2936.90.01 | 50 | Other | kg | | | |
| 2937 | | Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: | | | | |
| 2937.11.00 | 00 | Polypeptide hormones, protein hormones and glycoprotein hormones, their derivatives and structural analogues: | | | | |
| 2937.11.00 | 00 | Somatotropin, its derivatives and structural analogues | g | Free | | 10% |
| 2937.12.00 | 00 | Insulin and its salts | g | Free | | 10% |
| 2937.19.00 | 00 | Other | g | Free | | 25% |
| 2937.21.00 | | Steroidal hormones, their derivatives and structural analogues: | | | | |
| 2937.21.00 | | Cortisone, hydrocortisone, prednisone (dehydrocortisone), and prednisolone (dehydrohydrocortisone) | | Free | | 25% |
| 2937.21.00 | 10 | Cortisone | g | | | |
| 2937.21.00 | 20 | Hydrocortisone | g | | | |
| 2937.21.00 | 30 | Prednisone | g | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
