The B vitamin family includes biotin (vitamin B7). Biotin assists in the metabolism of lipids, carbohydrates, and amino acids as a coenzyme. The coenzyme biotin is required only for the breakdown and reconstruction of proteins. The body's capacity to reassemble proteins from amino acids acquired from food aids in the development of structures in several body parts, including hair, skin, and nails. Buy Biotin Tablets Online from Nutradwin Pharma's online Store. Biotin pills, a potent form of vitamin B7, are essential for the health of your skin, nails, and hair.