Buffered Vitamin C with BerryRich™. Gentle on the Stomach. Non-Acidic. BioCgel combines the preferred form of vitamin C - pH neutral buffered calcium ascorbate - with BerryRich™ a proprietary whole fruit blend that provides antioxidant support. Calcium ascorbate is a non-acidic form of vitamin C that is gentle on the stomach and does not cause digestive problems.