En Español Source: Life Extension Foundation Ingredients: See below Sale Price: $29.99 Take advantage of FREE air shipping in the USA! Read More . . . Silicon is an essential trace element required for the normal growth, development, and integrity of hair, skin, nails, mucous membranes, arteries, bones, cartilage and connective tissue. Silicon is also involved in collagen formation, the fibrous protein matrix that provides support for tendons, ligaments, cartilage and bones.151-161 The best-documented function of silicon is its action in facilitating bone mineralization.151,154,156,162 While silicon is exceptionally well tolerated at high doses, scientists currently estimate the human requirement for silicon to be from 5 to 20 mg per day. Silicon supplementation is useful for: Bones: Silicon helps maintain bone density and strength by facilitating the deposit of calcium and other minerals into bone tissue. Joints: Silicon is vital for cartilage development and the integrity of joints and ligaments. Cardiovascular health: Silicon is essential for the strength and integrity of the arteries. Dietary silica modifies the characteristics of endothelial relaxants and attenuates smooth muscle cell responsive-ness to NO (nitric oxide) in rat aorta. Nails: Silicon helps nails grow faster and harder. Hair: Silicon helps hair grow thicker and stronger. Supplement Facts Serving Size: 1 Capsule Servings Per Container: 60 Amount Per Serving Silicon (as Stabilized Orthosilicic Acid) - 5mg Other ingredients: Microcrystalline cellulose, choline chloride, and distilled water. Capsules consist of hydroxypropylmethylcellulose. No wheat, no gluten, no soy, no dairy, no egg, no fish/shellfish, no nuts/tree nuts. Dosage and Use: Take 1 capsule per day, preferably with a meal or as directed by your qualified health care consultant. Caution: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant of lactating. To order online, click on the "Order" box below. To see a list of all supplements, please check our Index or use our Search feature. If you have any questions, please contact us at info@lifeextensionvitamins.com or 1-888-771-3905. biosil$29.99 60: caps FREE AIR MAIL SHIPPING IN THE UNITED STATES! The statements made here have not been evaluated by the FDA. The foregoing statements are based upon sound and reliable studies, and are meant for informational purposes. Consult with your medical practitioner to determine the underlying cause of your symptoms. Copyright 1997-2009 Life Extension Vitamin Supplies and Life Extension Institute, Inc. All rights reserved.