Ans: The gastric inhibitory peptide is also a member of the secretin hormone family. It inhibited the gastric mobility and secretion of acid. It reduces the action of acid on the lining of the stomach and intestine. And decreases the risk of ulcers.  Further, it mainly promotes the stimulation of insulin to make it respond to a meal. The GIP is involved in lipid metabolism and promotes fat deposition in the body. Based on the function of enterogastrone GIP is initially known as enterogastrone.