Diabetes mellitus is one of the main chronic metabolic syndromes that contains a number of repercussions and risk factors because hyperglycemia leads other organs to malfunction. Despite the existence of cutting-edge methods for the treatment of diabetes, the proper therapeutic medication distribution remains a serious worry in the current situation. Betaine, also known as N,N-trimethyl glycine, is an amino acid derivative with a number of advantageous health effects. This chemical is available to both humans and other animals because it is consumed and created endogenously. Additionally, some pathological conditions, such as type 2 diabetes, result in a decrease in the amount of betaine in the tissues. Betaine has been found in rodent studies to considerably lessen a number of abnormalities associated with diabetes. changes in the liver and other insulin-sensitive organs. Researchers believe that AMP-activated protein kinase is crucial to the mechanism through which betaine exerts its anti-diabetic effects. Also, betaine has been demonstrated to reduce endoplasmic reticulum stress and inflammation in rodent models of diabetes. Since betaine has shown promising therapeutic benefits in animal trials, its potential use in treating diabetes has been raised.