Lamberts Silica. Silica is especially concentrated in the hair, nails and connective tissues such as the skin. Lamberts silica is derived from bamboo gum. INGREDIENTS FOR Lamberts Silica: One Capsule Lamberts Silica provides: • Powdered Bamboo Gum 320mg • Providing Silica 200mg OTHER INGREDIENTS: Encapsulated with: Capsule Shell (Hydroxypropyl Methylcellulose), Magnesium Stearate. DIRECTIONS FOR USE OF Lamberts Silica: • 1 to 3 capsule daily with a meal. CAUTION: Do not take if pregnant or breast feeding.