The HCG diet started in Europe over five decades ago. An endocrinologist named Dr. A.T.W Simeons, M.D, discovered the diet.

While researching obesity, he discovered that under the influence of the HCG, a pregnant woman will product enormous quantities of HCG and her diencephalic banking capacity seems to be unlimited, and abnormal fixed deposits are never formed. At confinement she is suddenly deprived of HCG, and her diencephalic fat-center reverts to its normal capacity. It is only then that the abnormally accumulated fat is locked away again in a fixed deposit. From that moment on she is suffering from obesity.

Because this diet has been around for over 50 years, there has been a lot of research. The research shows there are no known long term or short-term negative side effects. The side effects are easy and permanent weight loss. The weight loss is permanent because the HCG causes your hypothalamus gland to reset. The hypothalamus gland controls body temperature, hunger, thirst, fatigue, sleep and circadian cycles. After a minimum of 23 days of use of HCG, the HCG forces your hypothalamus gland to reset to the new lower weight. With your hypothalamus gland being reset, your body will start burning both calories and fat faster at the new lower weight. The best way to keep the weight off is to continue to eat a healthy, well-balanced diet. However now that the hypothalamus gland is reset, you can occasionally indulge and not have to worry about a gain.