B Vitamin

**Semantic type:** Pharmacologic Substance|Vitamin

**Definition:** A class of nutrients that are in the water-soluble B-vitamin family. B vitamins include thiamine, riboflavin, niacin (nicotinic acid), niacinamide (nicotinamide), the vitamin B6 group (including pyridoxine, pyridoxal, pyridoxamine), biotin, pantothenic acid, folic acid, and possibly para-aminobenzoic.

**Synonyms:** - B Vitamin Family - B Vitamins - Vitamin B