25 mg/95% Proanthocyanidins for maximum potency. Standardized plant-based supplement solution. Gluten-free. Nutritional support for free radical protection and general well-being. As a dietary supplement, take 1 ml (1 dropper or 20 drops) daily. For best results, mix with water, juice or tea. Refrigerate after opening. Ingredients: Vegetable Glycerin, Ultrapure Water, and Potassium Sorbate.