Other, including provitamins and natural concentrates
Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent: > Other, including provitamins and natural concentrates
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Subheadings
Products classified under HTS 2936.90.01
Vitamin A Palmitate Provitamin Concentrate
A natural concentrate derived from retinyl palmitate, used primarily as a provitamin A source in nutritional supplements and fortified foods. It falls under HTS 2936.90.01 as a provitamin concentrate, meeting Chapter 29 requirements for chemically defined organic compounds used primarily as vitamins.
Beta-Carotene Natural Algal Concentrate
Extracted from algae, this provitamin A concentrate provides carotenoid activity for use in dietary supplements and animal feed fortification. Classified under HTS 2936.90.01 as a natural provitamin concentrate per Chapter 29 notes for vitamin precursors.
Ergocalciferol Provitamin D2 Yeast Concentrate
Yeast-derived concentrate containing ergosterol as provitamin D2 precursor, activated by UV for vitamin D supplementation. HTS 2936.90.01 covers this as a natural provitamin concentrate used primarily as a vitamin source.
7-Dehydrocholesterol Provitamin D3 Concentrate
Lanolin-derived concentrate serving as provitamin D3 precursor for pharmaceutical and nutraceutical UV activation. Falls under HTS 2936.90.01 as a natural concentrate used primarily as a vitamin per Chapter 29 definitions.
Mixed Tocopherol Natural Vitamin E Concentrate
Soybean oil-derived mixed tocopherol concentrate (alpha, beta, gamma, delta) used primarily as vitamin E source in supplements. HTS 2936.90.01 includes these natural vitamin concentrates meeting Chapter purity requirements.
Natural Vitamin K1 (Phytomenadione) Leaf Concentrate
Concentrate extracted from alfalfa and nettle leaves providing phylloquinone activity for coagulation supplements. Classified HTS 2936.90.01 as natural vitamin concentrate used primarily as vitamin K source.
Biotin (Vitamin B7) Yeast Natural Concentrate
Yeast fermentation-derived biotin concentrate used in hair/skin supplements and animal nutrition. HTS 2936.90.01 covers this natural vitamin concentrate per Chapter 29 organic compound definitions.
Inositol (Vitamin B8) Corn Bran Concentrate
Myo-inositol concentrate from corn bran used as vitamin B8 in metabolic health supplements. Falls under HTS 2936.90.01 as natural vitamin concentrate meeting Chapter 29 criteria.
Choline Bitartrate Natural Concentrate
Lecithin-derived choline bitartrate concentrate used as vitamin-like nutrient in liver health formulas. HTS 2936.90.01 includes such natural concentrates used primarily as essential nutrients akin to vitamins.
Lutein Natural Marigold Flower Concentrate
Marigold ester concentrate providing lutein carotenoids for eye health supplements as vitamin-like antioxidant. Classified HTS 2936.90.01 as natural concentrate used primarily in vitamin applications.
Coenzyme Q10 (Ubiquinone) Yeast Concentrate
Fermentation-derived ubiquinone-10 concentrate used as vitamin-like antioxidant in cardiac supplements. HTS 2936.90.01 covers natural coenzyme concentrates used primarily as essential nutrients.
PQQ (Pyrroloquinoline Quinone) Bacterial Concentrate
Bacterial fermentation concentrate of PQQ used as novel vitamin-like compound for mitochondrial support. Falls under HTS 2936.90.01 as natural concentrate for vitamin applications per Chapter scope.
Natural Astaxanthin Haematococcus Pluvialis Algae Concentrate
Algal biomass concentrate rich in astaxanthin esters used as potent vitamin-like antioxidant for skin/joint health. HTS 2936.90.01 classification as natural carotenoid concentrate for vitamin use.
Vitamin K2 (MK-7) Natto Bacterial Concentrate
Natto fermentation-derived menaquinone-7 concentrate for bone health supplements as natural vitamin K2 source. Classified under HTS 2936.90.01 as bacterial natural vitamin concentrate.
Natural Folate (5-MTHF) Lemon Peel Concentrate
Citrus peel-derived 5-methyltetrahydrofolate concentrate used as bioavailable folate source in prenatal vitamins. HTS 2936.90.01 covers natural folate concentrates for vitamin applications.