Pure Encapsulations A.C. Formula IIThis supplement supports a healthy digestive system and promotes a healthy environment for microflora in the colon and intestinal tract, an essential component of a healthy gut. The formula contains undecylenic acid and caprylic acidtheyre fatty acids that promote a favourable environment for beneficial microflora. Calcium and magnesium offer support for healthy activity throughout the G. I. tract, and grapefruit seed extract and berberine sulfate