Is it OK to take biotin daily? When taken by mouth: Biotin is likely safe for most people when taken in doses up to 300 mg daily for up to 6 months. But it is more commonly used in lower doses of-5 mg daily. When applied to the skin: Biotin is likely safe for most people when applied in cosmetic products that contain up to 0.6% biotin.
How much biotin should I take for hair growth? 2-5 milligrams
What does biotin do to your body? Your body needs biotin to metabolize carbohydrates, fats, and amino acids, the building blocks of protein. Biotin is often recommended for strengthening hair and nails, and it’s found in many cosmetic products for hair and skin. Like all B vitamins, it is a water soluble, meaning the body does not store it.