Biotin (B7)

Vitamin B7 - This important water-soluble nutrient known as biotin plays an important role in helping the body convert food into energy. It is also responsible for the body's creation of hair, skin, and nails. Food sources rich in biotin include liver and kidney meats, egg yolks, avocados, nutritional yeast, nuts and seeds, salmon, trout, sweet potatoes, and cauliflower.