Since 1972, Nature's Answer Horsetail Extract promotes healthy hair, skin, and nails. This product contains 2,000 mg of Horsetail Grass per serving and is alcohol-free. It is Non-GMO Project Verified, Gluten-Free, and Kosher Parve. The extract is produced using our cold Bio-Chelated proprietary extraction process, yielding a Holistically Balanced Advanced Botanical Fingerprint extract in the same synergistic ratios as in the plant. Supplement Facts: Serving Size: 1 ml (28 drops). Amount Per Serving: Horsetail (Equisetum arvense) Aerial Parts Extract 2,000 mg (2 g). Other Ingredients: Vegetable Glycerin, Purified Water.