This multi-nutrient by Qsilica has a multitude of benefits. Containing colloidal mineral silica, biotin, zinc and selenium in a convenient once-daily supplements, ONE-A-DAY is for your everyday.Silicon supports bone integrity, assist connective tissue production and together with biotin and zinc, supports the health of your skin, hair, and nails. Selenium and zinc help reduce free radical damage to body cells. It’s easy, it’s convenient, it’s beautiful.Suitable for vegans.