Black Pepper, which contains Capsaicin, a thermogenic substance. A thermogenic raises your core temperature, which allows you to burn more calories from food, particularly when eating a high fat meal.

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

Cocoa Seed Extract, which is standardized for caffeine, tyramine, phenylethylamine and theobromine. Cocoa seed extract is thought to possibly help speed up the metabolism and provide feelings of fullness.

Ginger Root is a dietary supplement that is not only used as a spice but has had a positive effect on some types of arthritis and raynauds disease.

Green Tea Extract increases energy expenditure and affects fat oxidation, which therefore promotes weight loss by increasing the body's metabolism.

Guarana, a stimulant derived from the seeds of the Brazilian Guarana plant. Guarana is used to increase alertness and help fight fatigue. It contains caffeine and is usually associated with an "energy crash" several hours after taking a large dose.

L-Theanine , which is believed to relax the body while consuming high amounts of caffeine, yet stimulate alpha wave brain activity to maintain mental alertness.

L-Tyrosine is a non-essential amino acid, which is used by the cells in order to synthesize the proteins and appears to help stabilize ones mood during periods of high stress levels.

Long Pepper, which contains Capsaicin, a thermogenic substance. A thermogenic raises your core temperature, which allows you to burn more calories from food, particularly when eating a high fat meal.

Magnesium is essential to all living cells and is a vital component to a healthy diet. Calcium absorption for the body largely depends on magnesium to facilitate this.

Norambrolide, or fermented salvia sclarea leaf extract. Norambrolide is thought to increase cAMP (cyclic adenosine monophosphate) levels in the body through the stimulation of the "adenylate cyclase" (AC) enzyme. This stimulation is believed to help activate increased fat burning.

Pantothenic Acid, commonly called vitamin B5, is water soluble and is needed by every cell in the body to maintain good health. It helps in breaking down carbohydrates, fats and proteins to provide the body with energy. It assists in the production of red blood cells and hormones and ensures a healthy pregnancy. It is also known to lower triglyceride and cholesterol levels in the body. It helps in reducing stress and treating people with rheumatoid arthritis. Pantothenic acid is found in small quantities in almost all foods but abundantly in meats, fish, poultry, avocados, peas, broccoli and whole grains. A deficiency which is rare, leads to leg cramps, gastrointestinal problems, anemia, insomnia, depression, a burning sensation in the limbs and a weakened immune system.

Some Unknown Ingredients, which is a common practice for many supplement manufacturers. They use ineffective common ingredients and trademark their name for them to disguse the actual low quality ingredient contained.

Vitamin B6 is important to a healthy human diet and is equally important in various metabolic and synthesis functions as well as gene expression.

Vitamin C is well known for its powerful ability to help boost the immune system as well as fight off damage causing free radicals. As an anti-oxidant, vitamin c binds with free radicals, preventing them from damaging cells. This damage can cause early aging and even has been linked to some cancers. By taking vitamin C supplements, you are helping prevent these free-radicals, as well as giving your immune system a boost as well. Vitamin C is integral to cellular metabolism as well and a lack of vitamin C can cause a myriad of issues, including scurvy.

Yerba Matte- The plant of the yerba maté, as yerba matte is actually called, is a small tree or a shrub which can grow up to a size of fifteen meters. The leaves and twigs have traditionally been used to brew a tea like concoction, which is still a very popular social beverage in South America. Yerba maté contains alcaloids that are very similar to caffeine, commonly referred to as xanthines, but also elements like manganese, magnesium and potassium. The main difference between yerba maté and coffee, for instance, is the effect it has on muscle tissue, where it appears to relax smooth muscle tissue, but stimulate heart tissue and that is why it is used in Xenadrine EFX . In other studies, yerba maté was found to work as a monoamine oxidase inhibitor, thereby professing antidepressant qualities.