Xenadrine NRG 8 Hour Power is a weight loss supplement containing a mix of ingredients designed to increase energy and fat metabolism. It is formulated as an extended-release supplement that keeps working for eight hours and is available in capsule form. The ingredients include a blend of herbal extracts that primarily act as stimulants as well as vitamin B-12. Individuals should speak with a doctor before using any over-the-counter weight loss supplement.
Proprietary Thermoxanthin Blend
Two capsules or single serving of Xenadrine NRG contains 454 mg of a proprietary thermoxanthin blend of ingredients that includes L-tyrosine, yerba mate leaf and guarana seed, green tea leaf, green coffee bean extract and natural caffeine, according to the website bodybuildingforyou.com. L-tyrosine is an amino acid that is a building block for a variety of neurotransmitters such as dopamine and epinephrine that play a large role in influencing mood. Green tea is a potent antioxidant that may promote weight loss, among other functions. Yerba mate leaf, guarana seed and green coffee bean extract all contain caffeine, which stimulates the central nervous system. Caffeine may promote weight loss by decreasing appetite and increasing water loss as well as stimulating the burning of calories, according to the Mayo Clinic.
Vitamin B-12
A single serving of Xenadrine NRG contains 188 micrograms of vitamin B-12, according to the website bodybuildingforyou.com. Also known as cobalamin, vitamin B-12 is an essential vitamin that helps make red blood cells and among other functions, clears the amino acid homocysteine from the body, which can cause damage when levels become too high, according to Harvard Health Publications. It is also required for proper nerve cell function as well as DNA synthesis.
Norambrolide
Each serving of Xenadrine NRG contains 73.5 mg of norambrolide. Also called known as the herb Salvia sclarea, norambrolide may promote weight loss by increasing the breakdown of fat. According to the website bodybuildingforyou.com, norambrolide increases the action of an enzyme known as cyclic adenosine monophosphate or cAMP, which in turn increases lipolysis or fat breakdown.
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