Caffeine is the most widely used legal stimulant of the central nervous system and is also used in ThermaZyne, 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.

Citrus Aurantium is the Latin name for a citrus tree which grows bitter oranges. Traditionally being used by Chinese medicine and herbologists, the extract of the orange and the peel was used as a dietary supplement in concoctions with other herbs to suppress appetite. While other active ingredients of the citrus aurantium may contribute and even promote the effect, the main ingredient used in all weight loss products is synephrine, an alkaloid similar to ephedrine. It is a phenethylamine; it influences the alpha1 adrenergic receptor, constricting blood vessels, additionally increasing the heart rate and the blood pressure. In most cases the use of synephrine is paired with a diet and body building plan, where weight loss and muscle building is essential.

Synthetic Guggulsterones improve the metabolism by increasing the thyroid hormones that influences the triiodothyronine (T3) hormones. It also activate the lypolytic enzymes the helps the burning of fats. Synthetic Guggulsterones is effective for weight loss without raising the heart rate. It also helps maintain the ideal cholesterol level within the normal range. It decreases the LDL cholesterol and triglyceride (TG) levels. Synthetic Guggulsterones also acts as a potent anti-inflammatory agent because of its myrrhanol A content. It also helps reduce acne because it contains tetracycline that is commonly used as an antibiotic in treating acne. It also reduces oxidative stress by decreasing the lipid peroxidation.

Yohimbe is a powerful herb that has been used for many centuries. It comes from Corynanthe Yohimbe tree’s bark. These types of trees are found in West Africa. It can enhance sexual performance. It has many health benefits. Research has found that it is efficacious as sex marital therapy to revive sexual function. It is also beneficial in treatment of male organic impotence, particularly with that of diabetes. It is considered to be a powerful sexual stimulant. It is used as an aphrodisiac to enhance sexual desire. It has proved helpful in treating sexual dysfunction including erectile dysfunction, in men.