Cellular energy
It transforms both carbohydrates and fat into glucose, generating glucose; and it does the same with protein, producing amino acids. All of this is key for the body to take advantage of nutrients.
Skin
The decomposition of this vitamin helps in the distribution of fatty acids throughout the body, protecting each organ, including the skin.
Hair
By transferring these fatty acids to the hair follicles, biotin is able to accelerate growth and at the same time stimulate the growth of new, thick and healthy hair.
Nails
If you're looking for stronger nails, or trying to boost keratin buildup, a 25mg per day serving of biotin can go a long way.