Tight Reviewed

Bioperine, a standardized extract from the fruit of Piper nigrum L (black pepper) or Piper longum L (long pepper). It contains 95 percent of piperine. Bioperine is used in conjunction with other herbs or vitamins to increase their absorption and digestion to make them more effective.

Caffeine- The bitter, white crystalline xanthine alkaloid caffeine is found in tea, coffee, soft drinks, chocolates, pain relievers, and a variety of over the counter medications. It is a psychoactive stimulant drug that causes increased alertness by stimulating the central nervous system. For the same reason, many people feel more energetic after consuming it. It even elevates the mood but these effects do not last for long. The effects of caffeine usually last for about five to six hours, though caffeine sensitivity varies from person to person. It has been found that people who consume lot of caffeine on a daily basis soon develop less sensitivity and may need to increase their intake to enjoy the same effect. Being a diuretic, a person consuming caffeine may have to urinate more often.

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

Sclareolide- Contains properties that are used in athletic nutrition and weight loss but is primarily used in cosmetics and tobacco for its fragrance components.

Synephrine, a semi-selective sympathomimetic, is used to stimulate the adrenaline system. Also known as ‘zhi shi’, green orange or bitter orange; it is a chief, active constituent found in the fruit belonging to the plant, Citrus aurantium. Synephrine is not only similar to ephedra in its chemical composition but also serves the same benefits as caffeine or ephedrine. However, it mildly stimulates the fat metabolism without causing any of the side effects associated with ephedra based products. The best advantage of using Synephrine is that it increases the metabolic rate without affecting the hemodynamics. Thus, it is comparatively much safer than ephedra. Since Synephrine promotes weight loss and supports thermogenesis, Synephrine supplements are an ideal solution for dieters and weight watchers. The total intake should be between 2 to 10 mg. per day.

Synthetic Guggulsterones is naturally found in the resin of the guggul plant, it is a plant sterol and the Latin name of the plant is Commiphora mukul. It is believed that in humans, an extract of the guggul plant functions as a farnesoid X receptor inhibitor, theoretically attributing to a diminished synthesis of cholesterol in the liver. It is a very popular nutritional supplement and exists in several synthetic variants which are popular with the body building communities. The most popular application is the one as a weight loss agent, but it has been observed that Synthetic Guggulsterones may also stimulate thyroid function directly. While there is a debate if synthetic or natural guggulsterones are to be preferred, the availability and price of Synthetic Guggulsterones is currently prevailing.

Vinpocetine, a derivative alkaloid of vincamine, is actually semi synthetic in nature. It is an extract from the It is an extract from the periwinkle vinca minor. Vinpocentine is used because it has neuroprotective effects and also helps in enhancing the cerebral blood flow. In Eastern Europe, it is also used as a drug to treat cerebrovascular disorders along with age related memory impairment. It is also extensively marketed as a supplement for vasodilation. It is also used to improve the memory since it plays the role of a nootropic. Vinpocentine is therefore used in supporting brain function. It helps in enhancing concentration and memory by activating cerebral metabolism. In the body building world, vinpocetine is often used a vasodilator. However, no research has been done so far on the effect of vinpocentine in the body building.

Yohimbe, which when ingested, the body converts to yohimbine and assimilates it into the bloodstream. Yohimbe comes from the bark of a tree that grows primarily in Africa. Yohimbine, an alkaloid, is the primary active ingredient of yohimbe. Yohimbe is commonly used as an aphrodisiac and antioxidant. Yohimbe is also used as a vasodilator, which means that it increases blood flow to the extremities and appendages, this is one of the main reasons why it is found in many sexual aids.