OxyMin® Calcium Ascorbate is 100% pure pharmaceutical grade Calcium Ascorbate micro-crystalline powder. This form of crystalline powder is highly soluble in water or juice. Features: This non-acidic form of Vitamin C is gentle on the stomach as it delivers Ascorbic Acid that has been buffered (neutralized) with absorbable calcium. Suitable for sensitive persons to avoid the acidity of ascorbic acid without adding extra dietary sodium as in the case of Sodium Ascorbate. OxyMin® Guarantee of Purity Each batch of OxyMin® Calcium Ascorbate 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 Ingredients Each 1g serve contains: Calcium ascorbate 1000mg Equiv. Ascorbic acid 898mg Equiv. Calcium 102mg Pharmaceutical grad Calcium ascorbate. For the most up to date information on this product, please visit the brand / manufacturer website as product descriptions and directions can change.