- 1 hr1 hour
Biotin is a You may recognize vitamin B7 by its popular name of biotin. It is a water-soluble B vitamin found naturally in some foods and also in supplements. Biotin plays a vital role in assisting enzymes to break down fats, carbohydrates, and proteins in food. It also helps to regulate signals sent by cells and the activity of genes. Biotin supplements are often to potentially promote healthy hair, skin, and nails.