Caffeine is the most widely used legal stimulant of the central nervous system and is also used in Amfedrine, with characteristics that have been described as restoration of alertness and removing from drowsiness. Coffee, Tea, many soft drinks and energy drinks as well as nutrition supplements have this ingredient, which is a psychoactive substance, a xanthine alkaloid that can act as a adenosine receptor antagonist, as well as a phosphodiesterase inhibitor. Although regular use of caffeine seems to have nootropic effects, enhancing cognitive abilities, it also is known to provide long term effects on the nervous and cardiovascular system, like in one study it was proven that people with normal to low blood pressure have the possibility of developing a heart disease significantly reduced, as well as the chance of getting the Parkinson’s disease.

Chromium Picolinate is another aid in weight loss but as also been proven to prevent acne, increase life span, mood enhancement and boosts energy.

Green Tea Extract- By increasing the body's metabolism, it is widely believed that green tea extract largely aids in weight loss.

Hoodia Gordonii is an extract from the Hoodia plant of South West Africa. It is one of the fore runners in weight loss programs. Quenching thirst and providing energy are two of the numerous uses of the plant extract. The extract reduces gastric acid output in the stomach to a large extent, ranging from 40 – 60%. Aside from repressing hunger, Hoodia raises the overall energy levels in the body and will make a person feel completely healthy – both mentally and physically. Hoodia Gordonii is known to be extremely effective and does not have side effects such as dizziness, causing an increase of the heart beat or body temperature and sleeplessness. Hoodia Gordonii, however, should not be used during pregnancy and by nursing mothers.