Leptin is a hormone that comes from fat cells. It helps control food intake by sending signals about hunger to the hypothalamus in the brain. This process regulates appetite. Leptin regulates energy ...

Leptin is a hormone – a chemical messenger that helps different body parts work together. Leptin sends a signal to your brain that helps you feel full and less interested in food. You may hear it ...

Most leptin supplements don’t actually contain the hormone leptin. Research is unclear whether these supplements can help you lose weight, but some studies suggest they can influence leptin ...