Active vs Inactive B Vitamins

B Vitamin Active Form Inactive Form
B1 Thiamine Mononitrate and Thiamin diphosphate Thiamin
B2 Riboflavin-5-phosphate and
Flavin adenine dinucleotide (FAD)
Flavin mononucleotide (FMN)
B3 Niacinamide None
B5 Pantothenic acid None
B6 Pyridoxal-5-phosphate (P5P) Pyridoxine hydrochloride
B7 Biotin None
B9 Folate Folic Acid
B12 Methylcobalamin Cyanocobalamin
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