It is marketed as a "xanthine-based stimulant", which is essentially another way of saying caffeine. The problem is that caffeine can cause the same symptoms as another stimulant called ephedra, a substance which has been recently banned by the FDA.
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Xanthine - Wikipedia, the free encyclopedia
Xanthine (pronounced /ˈzænθiːn, ˈzænθaɪn]/ ), (3,7-dihydro-purine-2,6-dione), is a purine base found in most human body tissues and fluids and in other organisms. A number of mild stimulants ar...
en.wikipedia.org/wiki/Xanthine
Caffeine - Wikipedia, the free encyclopedia
Caffeine is a bitter, white crystalline xanthine alkaloid that is a psychoactive stimulant drug. Caffeine was discovered by a German chemist, Friedrich Ferdinand Runge, in 1819. He coined the term k...
en.wikipedia.org/wiki/Caffeine
Zantrex 3 side effects are identical to those associated with excessive caffeine consumption (Zantrex is primarily marketed as a "proprietary xanthine-based stimulant", but xanthine is simply caffeine). ... It's also important to note that caffeine has many of the side-effects associated with ephedra (nervousness, ... With that said,
www.ultimatefatburner.com/zantrex-3-side-effects.html
Zantrex 3 is one ephedra-free fat burner that pushes the advertising hype "envelope" into the stratosphere. ... Zantrex 3's powers can apparently be attributed to a "proprietary xanthine-based stimulant." This sounds impressive, but xanthine is just another name for caffeine -- yup, the same stuff you get from your coffee!
www.ultimatefatburner.com/zantrex-3-fat-burner.html
Delivering more than five times the weight loss of America's 1 selling ephedra-based diet pill (America's best seller), the active compound in Zantrex-3 is not only the new weight loss winner, the ultimate appetite suppressant, but with the addition of its incredible, high energy, proprietary xanthine-based stimulant, ...
www.essentialdayspa.com/zantrex-3-p_1359.htm
Xanthine-based phosphodiesterase inhibitors (PDEIs) have been used as bronchodilators because they can nonselectively inhibit PDE, resulting in increases of cAMP. Therefore, they have been used to treat bronchospastic diseases associated with immunoresponses (Giembycz, 2000 ;
molpharm.aspetjournals.org/cgi/content/full/70/3/977
Leo Thomas, Matthias Eckhardt, Elke Langkopf, Moh Tadayyon, Frank Himmelsbach, and Michael Mark ... Received for publication December 21, 2007 ; Accepted January 24, 2008. ... At both 30 min and 24 h after dosing, peak levels for active GLP-1 and insulin were elevated 6 and 10 min, respectively, after the glucose...
jpet.aspetjournals.org/cgi/content/full/325/1/175
Delivering more than five times the weight loss of America's #1 Selling Ephedrine-Based Diet Pill, the active compound in Zantrex-3 is not only the new weight loss winner, the ultimate appetite suppressant, but with the addition of its incredible, high energy, proprietary xanthine-based stimulant, Zantrex-3 gives you...
www.zantrex3.com/faq.html
A patent was recently issued to a U.S. biotech firm for the concomitant oral administration of Xanthine based stimulants, neurotransmitter precursors, nootropic herbs, cognition enhancing neurosteroids, and cerebral vasodilators that would result in simultaneous ... Thus, the composition may serve as a stimulant,
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