Hormones

A hormone is a chemical made by specialized cells, usually in an endocrine gland, and it is released into the bloodstream to send a message to another part of the body. Since hormones are released into the bloodstream and therefore can be transported throughout the body, they can perform both of these actions on many different targets. The complex interaction between glands, hormones and other target organs is called the endocrine system. Hormones affect many physiological activities, including growth, metabolism, appetite, puberty, and fertility. The best and most popular hormones on the market in 2020 can be found on this page.