1. Vitamin medicine, involved in the metabolism process in the body, used to prevent pellagra and other niacin deficiency 2. Used in skin care products to prevent rough skin, maintain skin cell health, and promote skin whitening 3. Biochemical research; nutrient composition of tissue culture medium; clinical drug is vitamin B family, used for the treatment of pellagra, stomatitis, glossitis and other diseases. 4. Same as niacin. The water solubility is better than niacin, but it is easy to form a complex with vitamin C and agglomerate. The dosage is 30-80mg/kg. 5. Biochemical research. Prepare tissue culture medium. Pharmaceutical industry
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