Homeostasis: The tendency to regulate internal conditions regardless of outside conditions. Homeostasis is achieved through a large number of feed back systems which regulate temperature, metabolism, energy levels and so forth.
Hoodia: An indigenous plant of South Africa or any number of derivatives of this plant, which was historically used for treating indigestion and small infections. No peer-reviewed double-blind clinical trials have been performed on humans to investigate the safety or effectiveness of hoodia in pill form. Many studies indicate that most supplements lack sufficient amounts of P57, (the active ingredient for appetite suppressant).
Hydration: The process of taking in water. A measure of the water content of the body tissues. Although levels may significantly increase for athletes, pregnant women and people who require other physical activity, (sickness included), a person should drink at least 2 quarts, (64oz.) of water per day.
Hydroxycitric Acid (HCA): A clinically proven ingredient found in many diet supplements that help suppress appetite and inhibit fat production. A key characteristic of HCA is that manufacturers claim it does not stimulate the central nervous system.
Hydroxycut: A popular name brand market which employs HCI (the active ingredient in Garcinia Cambogia), chromium polynicotinate, and Gymnema Sylvestre to control blood sugars). Hyrdoxycut is found to be most effective when used in conjunction with a healthy diet and regular exercise routine.