Leptin is a hormone that plays a crucial role in regulating energy balance and appetite in the human body. Some common synonyms for the term "Leptin" include weight loss hormone, satiety hormone, and appetite suppressor. Another synonym for Leptin is the "obesity hormone," as it is produced by adipocytes, or fat cells, in the body and is responsible for signaling to the brain when the body has had enough food. Other possible synonyms for Leptin might include metabolic hormone, energy-regulating hormone, and adipokine. Overall, understanding the various synonyms for Leptin can help individuals better understand the important role this hormone plays in maintaining a healthy body weight and overall metabolic function.