Biotin supplement offers a high-potency, single nutrient formula to support energy-yielding metabolism while helping maintain healthy hair, skin and nails. Made in Good Manufacturing Practice certified facilities in the United States, this product is independently tested for purity and potency. Swanson has built its reputation on quality and reliability, making this biotin supplement a simple option for daily beauty and energy support.Available Sizes & Variants:100 capsules - an everyday daily serving for long-term use.Benefits & Features: Supports energy-yielding metabolism through its biotin coenzyme role. Helps keep hair, skin and nails healthy, a key benefit in biotin supplements for hair growth. Ideal for daily use in a straightforward, high-potency form. Biotin is the sole active ingredient. Made in Good Manufacturing Practice certified facilities in the United States and tested by independent labs, this ensures purity and potency you can trust while you maintain daily wellness. Swanson has built a reputation on quality and simplicity, and this biotin formula keeps things straightforward: biotin as the sole active ingredient with rice flour and a gelatin capsule. It’s made in Good Manufacturing Practice certified facilities in the United States and tested by independent labs for purity and potency, reflecting Swanson’s commitment to transparency. This easy, single nutrient option slots neatly into daily routines, whether you’re aiming for hair growth with biotin supplements for hair growth or complementing gut health supplements.