Extract Combines Silica (as Orthosilicic Acid) with Boron Zinc Biotin and Vitamin D3 for advanced results 100% Vegetarian Discussion: Easy to swallow liquid drops that have a pleasing natural vanilla flavor and no unpleasant aftertaste. Intended to provide nutritive support for healthy collagen skin hair and nails. Combines Silica from bamboo extract with Boron Zinc Biotin and Vitamin D3 for advanced results with continued use.Other products from HerbsPro