Biotin 25,000 mcg Hair, Skin & Nails Support is a single-ingredient, high-strength biotin (vitamin B7) capsule designed for adults who want a simple, no-frills way to support daily energy metabolism and the appearance of healthy hair, skin, and nails. Each bottle contains 120 capsules, with a suggested serving of 1–2 capsules taken twice daily.
Because it's formulated with biotin as the only active ingredient, it's a good fit for anyone who prefers a straightforward supplement without added collagen, keratin, or other actives — whether that's to stack alongside an existing routine or to try biotin on its own before adding more targeted beauty-support products.
This high-potency formula is best suited to adults already comfortable with biotin supplementation who want a generous, long-lasting bottle for ongoing daily use. As with any beauty-from-within supplement, it supports the appearance of hair, skin, and nails over time rather than delivering an instant transformation, so consistent daily use alongside a balanced diet gives it the best chance to work.
Take with a glass of water, ideally with meals for comfort, and stay consistent day to day. If you already take a multivitamin or other supplements, check the label first to avoid duplicating your biotin intake. Because this is a high-dose biotin formula, let your doctor know you are taking it before any blood test, since high-dose biotin can interfere with certain lab tests — including thyroid and cardiac marker tests — and cause inaccurate results.
Explore more options in our Biotin & Hair Support collection, or browse Daily Vitamins for broader everyday nutrient support.