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Silicon is an essential trace element required for the nor-mal growth, development, and integrity of hair, skin, nails, mucous membranes, arteries, bones, cartilage and connec-tive 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 mineral-ization.151,154,156, 162  While silicon is exceptionally well toler-ated 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.151,154,156, 162,163*
• Joints: Silicon is vital for cartilage development and the integrity of joints and ligaments.155,156*
• Cardiovascular health: Silicon is essential for the strength and integrity of the arteries.158,159*
• Dietary silica modifies the characteristics of endothelial relaxants and attenuates smooth muscle cell responsive-ness to NO (nitric oxide) in rat aorta.160
• Nails: Silicon helps nails grow faster and harder.164*
Hair: Silicon helps hair grow thicker and stronger.164,165*