Citrus aurantium is the dry young fruit of lime or sweet orange. It is picked or collected from the fallen fruit from May to June. It is cut in half from the middle and dried in the sun or at low temperatures.
Synephrine is one of the main pharmacological active ingredients in Citrus aurantium extract. It has the functions of improving metabolism, increasing calorie consumption, improving energy level, oxidizing fat, and losing weight.
Therefore, synephrine is often used as an active ingredient in weight loss drugs. In the United States, it has become one of the top five ingredients in over-the-counter weight loss products and is widely used in medicine, food, beverages, and other health care industries.