6,7 Dihydroxybergamottin is a furanocoumarin. This ingredient is generally present in grapefruit. It is also present in bergamot oil from which it derives its name. To a lesser extent it is even available in other citrus fruits and essential oils. Consuming 6, 7 dihydroxybergamottin supplements have an affect on the metabolism of various pharmaceutical drugs. 6, 7 Dihydroxybergamottin inhibits isforms of cytochrome P450 enzyme, especially CYP3A4. It is because of this feature that the enzyme prevents oxidative metabolism of some drugs, which results in accumulation of the drug in the bloodstream. According to some clinical studies 6, 7 dihydroxybergamottin hamper the body’s ability to digest caffeine, thereby extending its presence in the body. Patients under medication must therefore avoid consuming grapefruit and related supplements.

Caffeine is a stimulant drug used for mental alertness and to accelerate energy and power. It is also used to delay muscle fatigue as it goes deep into the muscle tissues.

Capsaicin is the chief capsaicinoid found in chilli peppers that belong to the group Capsicum. This phytochemical causes a burning sensation in any tissue that comes into contact. It is used in the preparation of varied topical ointments developed to alleviate the pain of peripheral neuropathy. The typical burning sensation is caused when capsaicin interact with the nerve cells. It is also believed that intake of capsaicin can cause a euphoric sensation due to the release of endorphins. As per studies, capsaicin can also alleviate symptoms associated with arthritis, improve flexibility of the joints, reduce psoriasis symptoms, and protect against gastric ulcers. And that's not all - research suggests that a combination of capsaicin and green tea can be effectively used in weight management too. This is because this combination promotes a feeling of fullness.

Yerba Matte Pronounced, YARE-ba MAH-tay, yerba mate is a shrub that belongs to the holly family. A Key Element in Stacker 3 XPLC 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.

Yohimbine HCL, sometimes called yohimbine hydrochloride, yohimbe, or yohimbe bark, is an herbal supplement which serves as a stimulant and possible aphrodisiac for users. Yohimbine has also been shown to be successful in treating erectile dysfunction and impotence in men. It may serve to boost the sex drive of those who take it for aphrodisiac purposes. Some people are recommended to take yohimbine to combat their lower sex drives caused by antidepressants. Yohimbine has also been shown to help blood pressure levels and assist in weight loss. For these reasons, yohimbine is a popular supplement amongst athletes as well as many others wishing to improve their health.