Futurebiotics Biotin provides 5,000 MCG of Biotin per mini tablet. By supplying 5,000 MCG per mini tablet, Futurebiotics Biotin enables valuable daily replenishment that helps to support healthy hair, skin, nails, and energy production.* Laboratory tested and free of GMOs, Gluten and Soy, our Biotin 5,000 MCG is in-house tested and carefully manufactured by trained professionals in our state-of-the-art facility that is located in Hauppauge, New York. Futurebiotics Biotin 5,000 MCG is vegan/vegetarian friendly and contains no ingredients derived from animals.