Growth hormones are found naturally in the human body, and are created in the pituitary gland, which is situated in the brain. They encourage cell growth and reproduction and are responsible for keeping your skin smooth and toned and firm. These hormones are also responsible for keeping your metabolism high. With age, these hormones are produced less and less, which is why things beginning going south and drooping and the skin loses its elasticity and starts to wrinkle. Ways that you can assist your body to stay young and firm for as long as possible, is to make sure that you have a nutritious diet and treating your skin with products that assist it to keep looking younger and maintain its glow for longer, such as vitamins A,E and C, and products packed with anti-oxidants. This will assist your body to increase its growth hormone production and will be beneficial for sex drive, metabolism, weight loss, and muscle toning.