Pure Buffered Calcium Ascorbate from Now Foods is a readily absorbable form of Vitamin C that is gentle on the digestive system due to its buffered nature. This mineral supplement is designed to support immune function and act as a powerful antioxidant. By utilizing calcium ascorbate, this formulation provides the benefits of Vitamin C without the potential acidity associated with standard ascorbic acid, making it suitable for individuals with sensitive stomachs.