Eidon Ionic Minerals Liquid Silica -- 19 fl oz

What the brand says

Today most diets are severly lacking in silica due to over refinement of grains. Silica has been shown to promote lustrous hair, supple skin and strong nails. Silica is essential for the proper utilization of calcium and for maintaining healthy connective tissue - a key component of cardiovascular, gastrointestinal, joint and bone stability. Silica is an essential mineral involved in collagen formation and calcium management.