Weight Loss injections are in a class of medications called incretin mimetics. It works by helping the pancreas to release the right amount of insulin when blood sugar levels are high.  Insulin helps move sugar from the blood into other body tissues where it is used for energy. Through our dosing schedule it takes the average patient 20 weeks to reach your optimal maintenance level. Studies show that, on average, adults using Weight Loss injections lose about 15% of their body weight.