Caffeine is a powerful and very common alkaloid supplement used in Stacker 2 primarily to increase the body’s ability to lose weight quickly, boost energy and stimulate the brain into more activity with better clarity. It also fuels the body’s metabolism for increased fat burning qualities. This allows users to have more stamina for exercise and more focus for weight loss initiatives. Caffeine anhydrous is found naturally in many different beans and plants and works successfully as a stimulating supplement for those needing increased energy, focus, and alertness. When taken as a supplement for health or weight loss reasons, caffeine anhydrous should not be combined with other traditional forms of caffeine, such as soft drinks, energy drinks, coffee, or tea, because the supplement form is concentrated and powerful in itself.

Green Tea Extract is very popular with the health conscious community, mainly because of the broad antioxidant features, which are provided by the green tea catechins. It is a very popular nutritional supplement, much more popular than regular green tea, because several green tea extract products have no caffeine. Caffeine is actually contained in larger quantities in green tea than in coffee. Besides the already mentioned catechins, further polyphenols are included in the Asian tea favorite. Green tea furthermore contains carotenoids, ascorbic acid – more commonly known as Vitamin C, Minerals and tocopherols. While there are many proven qualities of green tea extracts, some lesser researched effects have been observed, like reduction of LDL cholesterol, increasing the levels of norepinephrine, weight loss and additional antioxidant qualities.

Gymnema Sylvestre is an herb that has shown to reduce blood sugar and is used by some to reduce sugar cravings as it seemingly reduces the sugar taste when placed in the mouth.

Kola Nut has a euphoric and stimulating effect on the heart and central nervous system and produces a heightened state of euphoria and well-being.

Synthetic Guggulsterones are derived from a herb, commiphora mukul, which has been proven to restore lagging metabolic rate brought about by dietary caloric deficiency, such as a diet low in carbohydrates. Though it has cholesterol lowering ability, it is also known as powerful weight loss agent due to the increased conversion of the inactive thyroid hormone T4 into its active part T3 in the liver. Furthermore, Guggulsterones are also known to stimulate the thyroid directly by enhancing TSH (Thyroid Stimulating Hormone) production. This is especially true for two specific guggulsterones codenamed Z and E.

White Willow Bark, more accurately the bark of the deciduous tree, has been known since the ancient times for its medicinal properties. Already the ancient Egyptians, but also Hippocrates, Assyrians and Sumerians have recognized that the powder extracted from the white willow bark is a very potent remedy for fever, but active against pains and aches as well. Salix alba, which is the Latin name for the white willow, contains an active alcoholic beta glycoside that contains D-glucose and is named salicin. Salicin is metabolized in human body to salicylic acid and is very closely related to aspirin. When ingested it has a quinine like bitter taste. Salicylic acid is anti inflammatory and keratolytic, and is commonly used as an additive in weight loss products.

Yerba Matte contains natural nutrients and antioxidants. It contains 11 polyphenol, which are a group of phytochemicals. Phytochemicals are effective antioxidants and are thought to show anti-cancer effects in mammal by making strong natural defenses of an organism and protecting it against cellular destruction. Yerba Matte leaves also have saponins, which are phytochemicals that help induce the immune system and assist the body in protection against ailment. They have important anti-inflammatory properties. Yerba Matte can also prevent oral cancer. Research has shown it contains 90 percent more nutrients, which boost metabolism, than green tea. Some of the vital antioxidant enzymes in the body are also stimulated by Yerba Matte.