Best Naturals Vitamin B-6 25 Mg Tablets, 250 Count 14.8.2014 · Best Naturals Vitamin B6 25 mg 250 Tablets Vitamin B-6, also called pyridoxine, is one of the more popular members of the B-vitamin family and is found in fresh vegetables. It is an essential nutrient required for the metabolism of lipids, carbohydrates, and proteins.