Caffeine is a stimulant that is used to stay awake and it gives mental alertness from fatigue. This is used as an adjunct for pain relief and also as energy accelerates. Caffeine is a non-prescription drug easily available as over the counter medication and comes in combination to acquire relief from headache and pain. Caffeine increases the mental alertness by offering the required energy for exercise training and weight loss. Caffeine cannot be considered as a mere stimulant as it reaches deep into muscles and provides power that is long lasting. Caffeine taken before any work out is also great as it fights the fatigue and keeps the person ready for the workout. Dieters also find caffeine as the solution as they feel sluggish. This is a no-calorie stimulant and does its job effectively and quickly. Caffeine anhydrous is found even in one or two coffee cups. However, this limitation is recommended as excess caffeine may result in irritability, rapid heart beat, nervousness and sleeplessness.

Chromium.

Citrus Aurantium, More commonly called "bitter orange", which is taken from unripe oranges. Research shows that citrus aurantium can increase the metabolic rate without affecting heart rate or blood pressure, breaks down fat, burns calories and may act as an appetite suppressant.

Garcinia Cambogia- Gambooge, a subtropical version of the Garcinia genus and native to Indonesia, is the local name for garcinia cambogia. It bears a pumpkin like yellow coloured fruit, which extract, together with the rind, is in India a curry condiment. Extracts are also being used in several herbal appetite suppressants, but also in some energy providing products and supplements. In the body building community, besides the weight loss properties of garcinia cambogia, the main component, hydroxycitric acid, or HCA, seems to increase the levels of lipolysis in athletes. HCA may even prove to be more effective in combined use with carnitine and pyruvate. In India, garcinia cambogia was traditionally used to treat edema, constipation, irregular menstruation and against intestinal parasites. Further uses include combating rheumatism and bowel related troubles.

Guarana Extract is the extract of the guarana plant. It contains a significant amount of guaranine, a substance that is similar to caffeine found in coffee beans. It helps stimulate the adrenal glands and increase the production and release of hormones such as epinephrine, norepinephrine (adrenaline), and dopamine. This helps the metabolism of the body that enhances fat loss, and increases energy and endurance. It helps the body burn the fats to be used for energy. It aids in fighting stress, weakness and fatigue. As a stimulant, it also improves mental alertness, clarity, focus, concentration, and memory retention. Guarana also also improves the libido or sex drive in both men and women. Guarana also contains tannins that help prevent diarrhea and soothes the digestive system.

L-Carnitine , which transfers long-chain fatty acids, like triglycerides into mitochondria , which is then oxidized to produce energy. L-Carnitine is commonly used for burning fat, increasing energy, improving resistance to muscle fatigue and suppressing appetite.

White Willow Bark, less commonly known as salix alba, is extracted from a plant native to Europe and parts of Asia. The great physician Hippocrates first mentioned the use of White willow extract in his writings in 5th century BC and it has been touted as a powerful supplement for several different uses ever since. It is commonly used as a pain reliever (particularly for back pain and arthritis), fever reducer, and inflammation reducer. Although aspirin was eventually invented using the same base as White willow extract, many purists and natural health enthusiasts prefer to use White willow extract, which is considered to be nature’s aspirin.