Vitamins are essential chemicals needed in small amounts for smooth metabolic functions within a given organism. Some vitamins cannot be synthesized by the body and therefore must be obtained in the diet. Vitamins perform a multitude of varied functions, from acting as coenzymes and antioxidants, to regulating tissue growth and differentiation. In humans, there are 13 essential vitamins – A (retinoids and carotene), B1 (Thiamine), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic acid), B6 (Pyridoxine), B7 (Biotin), B9 (Folic acid), B12 (Cobalamin), C (Ascorbic acid), D (Calciferol), E (Tocopherol), and K (phylloquinone and menaquinone). Browse below to find the vitamin preparation and combination that best suits your experimental needs.
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- 1α,25-Dihydroxyvitamin D3 is the active hormonal form of vitamin D. It inhibits proliferation and induces ...
- 50 µg
- 25-Hydroxyvitamin D2 is an intermediate produced from vitamin D2 by cytochrome P450 isoforms in serum. This primary ...
- 1 mg
- 25-Hydroxyvitamin D3 is an Intermediate in the biosynthesis of 1α,25-dihydroxyvitamin D3 and a major circulating ...
- 1 mg
- 25-Hydroxyvitamin D3 is an Intermediate in the biosynthesis of 1α,25-dihydroxyvitamin D3 and a major circulating ...
- 5 mg
- Retinoic acid is the active metabolite of vitamin A. It is a potent modulator of growth and differentiation exerting its...
- 500 mg
- Nicotinamide, the water-soluble amide of nicotinic acid, is a component of the two most important coenzymes - ...
- 500 µl
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