OxyMin® Ascorbic Acid is 100% pure pharmaceutical grade Ascorbic Acid micro-crystalline powder. This form of crystalline powder is highly soluble in water or juice. Ascorbic acid is an organic acid with antioxidant properties. The L-enantiomer of ascorbic acid is commonly known as vitamin C. This water soluble form of Vitamin C is commonly used as an antioxidant food additive/preservative. Features: OxyMin® Guarantee of Purity Each batch of OxyMin® Ascorbic Acid is assayed for heavy metals and organic volatile impurities. Free from pesticides, herbicides, dyes, preservatives & stabilizers. Yeast, starch & gluten free. Packed and sealed in a tamper evident tub for your convenience and to ensure stability IngredientsIngredients:100% pure pharmaceutical grade Ascorbic Acid microcrystalline powder. For the most up to date information on this product, please visit the brand / manufacturer website as product descriptions and directions can change.