With Biotin. 2500 mcg Per Serving. Skin & Hair Nutrients. Health & Beauty. New Improved Taste. At Nature's Bounty, we believe health and beauty go hand in hand. With nearly 50 years of making quality vitamins and more than 20 years in the beauty business, you can trust that every Nature's Bounty product is backed by science, and made with the purest ingredients...guaranteed. Beauty Starts on the Inside. > Antioxidants Vitamin C & E. > Naturally Sourced Colors and Flavors. > Guaranteed Quality. > Laboratory Tested