Solgar Calcium Ascorbate Crystals is a buffered, (non acidic) formulation providing 100% pure and fully reacted calcium ascorbate. Solgar Calcium Ascorbate Crystals are gentle, non-acidic form of powdered vitamin C which is suitable for people who require large amounts of vitamin c or those who find tablets difficult to swallow. It can easily be added to water, juices or stirred into food.Solgar Calcium Ascorbate Crystals is pH-balanced formula is intended to be gentle on the stomach.Specialist Nutritional Information :Directions:As a food supplement for adults, 1/4 teaspoon (approx. 1300mg) daily, preferably at mealtime, or as directed by a healthcare practitioner.Ingredients:Each 1/4 teaspoonful provides: Calcium Ascorbate 1300mg Providing: Vitamin C 1066mg Calcium 122mg NO EXCIPIENTS. Warnings:If you are pregnant, nursing, taking any medications or have a medical condition please consult your healthcare practitioner before taking any dietary supplements. Keep out of reach of children.