About this item Only Nutritional Supplement That Works 24/7 ֠Tetrogen Day & Night is the only nutritional supplement to work 24/7 to help support proper digestive function and induce thermogenesis so you burn more calories at rest. Only Product Made with Lipofuel - Tetrogen Day & Night are both made with Lipofuel, a clinically studied and patented ingredient not found in any other nutritional supplement. Optimizes Metabolic Hormones ֠When our metabolic hormones are out of balance they can slow metabolism (by up to 43%), increase cravings, and can cause unwanted weight gain. Tetrogen Day & Night is Scientifically formulated to support healthy metabolic hormone function. Supports Efficient Digestive Function -- By helping to rebalance your metabolic hormones, Tetrogen supports efficient digestive function so you feel fuller longer after meals and have fewer cravings.