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.

Cassia Extract, also known as Cinnamomum aromaticum or Cinnamomum cassia, is a species in the Family Lauraceae, a very close relative of Cinnamomum verum, or cinnamon. Just like the more famous true cinnamon, the aromatic bark is being used as a spice. Cassia trees are evergreens and can grow up to fifteen meters tall. Interestingly enough, in the United States and Canada, Cassia is sold as cinnamon, the spice, and the true cinnamon, the C. verum, is largely unknown. It is native to Asia, mainly south of China, India, Vietnam and Bangladesh. Cassia bark is one of the fifty fundamental herbs of the traditional Chinese medicine and recent studies have established that Cassia extract may lower the fasting blood sugar. The caused insulin sensitivity is due to the ingredients polyphenols.

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

Guggulsterones 99% are nothing but the supplements made by the resinous straps extracted from a tree known as Guggul trees. These supplements are manufactured in India. They are titled accompanied with 99% as they are synthetic supplements which are perfectly 99% pure. The artificial supplements which are made by the composition of this compound are 20 times more powerful and effective than that of the natural one. The major cause why this Guggulsterones 99% is for the maintenance of the normal lipid levels in the human blood. Other advantages of these supplements are like enhancing the skin freshness, losing unwanted fats from the body, increasing the rate of metabolism with no changes in the rate of heart beats etc.

Gymnema Sylvestre has been naturally found in southern and in central India and here they are utilised in traditional medicines for about 2000 years. In the historical Indian text, this is called as gurmar, where this word means sugar destroyer that provides an indication that these are used in the medicine. This is utilised for reducing the glucose absorption which takes place inside your body and even declines the foods sweetness, this could be best suited for those people who want to reduce their weight as well as for those who wants to decline the sugar level which is present in the blood. This is also utilised in Ayurvedic medicine.

Kola Nut is native to Africa, mainly found in the tropical rain forests. There are about hundred and twenty tree species which belong to this family, their fruit, the kola nut, being the interesting feature. It has been traditionally used for chewing, with an effect where hunger cravings subsided. The popularity of the kola nut was established by The Coca-Cola Company, which used the kola nut as an ingredient in this popular drink. Many other similar drinks and also energy drinks feature this ingredient. The kola nut, although featuring caffeine, provides a xanthine mixture with catechins which not only stimulate the central nervous system but also has analeptic and lipolytic properties, as well as chronotropic effects. Further effects include enhanced alertness, physical energy, mood and tactile sensitivity, as well as appetite suppression.

White Willow Bark, or Salix alba, is a willow commonly found in Europe and adjacent parts of western and central Asia. The bark of the White Willow has been used for centuries against fevers and to ease pains and aches. Already Hippocrates wrote about the White Willow bark powder two thousand five hundred years ago. The active ingredient of the White Willow bark is called salicin, a relative to aspirin and chemical derivative of the salicylic acid. When ingested, salicin is converted to salicylic acid, a beta hydroxy acid. As a nutritional supplement, White Willow products are being propagated as weight loss additives, whereby the scientific community has yet to provide any corroboration to this allegation. Besides the well known anti inflammatory characteristics, any other uses have not been approved by the FDA.

Yerba Matte Pronounced, YARE-ba MAH-tay, yerba mate is a shrub that belongs to the holly family. A Key Element in Stacker 2 Ephedra Free Yerba mate contains the following vitamins, minerals and additional compounds: Vitamin A to Vitamin C Vitamin E Vitamin B1 Vitamin B2 Vitamin Niacin Vitamin B5 Vitamin B complex Minerals: Calcium Iron Manganese Magnesium Potassium Phosphorus Selenium Additional Compunds: Flavonols Polyphenols Antioxidants Pantothenic Acid and more The leaves of yerba mate have been found to offer strength while the stems inspire energy.