What is Ghrelin?

Ghrelin is a hormone mainly produced and released by the stomach, with smaller amounts released by the small intestine, pancreas and brain, cells known as as P/D1 cells and epsilon cells. Ghrelin is the main hormone responsible for stimulating hunger. Its levels increase and decrease before and after meals and …

What is Leptin?

Leptin is a protein hormone produced by your body that helps regulate weight by affecting your appetite, energy level, and metabolism. Usually, the amount of leptin you have is related to how much body fat you have: the more fat, the more leptin. An excess of leptin signals the body …

Diet and Nutrition terms Defined

Antioxidants In the form of vitamin and mineral supplements, antioxidants help counteract the effects of free radicals on cells and repair cellular damage. Antioxidants protect cells by sacrificing electrons to prevent free radicals from stealing electrons from healthy cells. Arachidonic Acid An essential fatty acid that is the immediate precursor …