BUFFERED C Crystals (100% Pure Calcium ASCORBATE Non- Acidic)

What the brand says

100% CALCIUM ASCORBATE (Non- Acidic) Calcium Ascorbate Crystals are a non-acidic form of powdered Vitamin C and are gentler on the stomach and teeth than nonbuffered Vitamin C. Contains No sugar, salt, dairy, yeast, wheat, corn, soy, preservatives, artificial colors or flavors.