Flora\'s premium Vegetal Silica is prepared using a unique aqueous extraction method developed and patented by Dr. Louis Kervran. This method ensures the vegetal silica is bonded or \"chelated\" to a group of water-soluble bioflavonoids. Only this method offers a safe and highly bioavailable form of silica that is easily assimilated by the body. Vegetal Silica helps maintain strong, healthy hair and nails plus promotes soft, supple skin. Premium Herbal Formulas Gluten-Free For Healthy Skin, Hair, & Nails Maximum Absorption & Bioavailability Dietary Supplement Suggested Use Take 1 capsule up to 3 times daily with meals. Other Ingredients Horsetail (aerial parts) extract, microcrystalline cellulose, and magnesium stearate in a vegetarian capsule of water and hydroxypropyl methylcellulose (USP).