3-Acetyl-7-Oxo-Dehydroepiandrosterone is a popular and new addition to many diet formulations because it helps burn more calories. It does this by encouraging the basal metabolism rate to climb so that more calories are burned both at rest and while working. It also works to keep fat from being stored. Of the class of DHEA steroid like compounds, this is the only one with little or no side effects and has been tested as a metabolism enhancer in human, double blind studies successfully adding credence to any claims made. It has been tested in various doses in both human and animal studies and the clinical trials done on humans found it tested safe at 200mg a day.

5-HTP or 5-Hydroxytryptophan, an amino acid that is the link between tryptophan and the brain chemical serotonin. The 5-HTP used in Country Life 7-KetoTrim is used to reduce cravings for food and promote feelings of well being.

Acetyl L-Carnitine is also known as ALCAR, and has been widely popularized as the superior form to L-Carnitine pertaining to the bioavailability. Carnitine is the quaternary ammonium compound which is being used to move fatty acids out of the cytosol and into the mitochondria when the fats are being broken down, when these are needed to generate additional metabolic energy. The biologically active form of Carnitine is L-Carnitine; Acetyl L-Carnitine is the acetylated form of L-Carnitine and is also known as Acetylcarnitine. L-Carnitine is generally derived from lysine and methionine, which are both amino acids. While the neuro-protecting properties of Acetyl L-Carnitine have been tested on lab animals and some proof was obtained, the role of Acetyl L-Carnitine as a weight loss agent still needs some testing in studies on humans.

L-Tyrosine is an amino acid taken to enhance the functions of the thyroid gland. It provides essential supplements to the body for fighting serious ailments. L-Tyrosine is a natural cure mainly for hypothyroidism and many other illnesses including protection of skin from the UV rays and depression. People suffering from hypothyroidism lack tyrosine and therefore do not respond to iodine supplements. Iodine supplements are of no use without tyrosine. Using L-tyrosine replaces vital amino acids which people having hypothyroidism lack. It produces thyroid hormones namely, norepinephrine, dopamine and epinephrine. L-tyrosine must be used by those who have a family history of under active thyroids and by those who have not got benefits from dieting efforts. L-tyrosine is taken in doses of 500mg 2 to 3 times everyday. People having high blood pressure must be cautious while taking this supplement.