What is Leptin? The Definitive 2025 Guide to the Satiety Hormone and Leptin Resistance
Defining Leptin: The Master Regulator of Energy Balance Leptin is a crucial peptide hormone primarily produced by adipose tissue (body fat cells). Often referred to as the “satiety hormone” or the “starvation hormone,” its fundamental role is to communicate the body’s long-term energy status to the brain, specifically the hypothalamus. This communication system is vital…