Terry Naturally Silica-20 - 60 tablet bottle MSRP: $29.56 Silica is crucial for healthy bones, thick lustrous hair, and strong, flexible joints. But when it comes to supplemental silica, the form you take makes all the difference. Silica-20 provides 20 mg of silica (per serving) gently extracted from horsetail... Qty in Cart: 0 Price: MSRP: $29.56 Subtotal: Out of stock