Stacker 2's
Stacker 2's, "the world's strongest fat burner!" is a caffeine based supplement designed to burn calories fast enough to see results in just 45 minutes. All fat burners rely on heat to burn our body's fat. Our bodies have three large heat sources: the thyroid hormones, the adrenergic hormones (epinephrine and the weaker norepinephrine), and the prostaglandin hormones. Stacker 2 and other ECA-based fat burners seem to mimic and intensify the adrenergic hormones, which mobilize fatty acids from our triglyceride stores and force the skeletal muscles to use more fatty acids for heat production. Aspirin may inhibit the "bad" prostaglandins that lower your body temperature. Stacker 2 is a very simple fat burner that relies's on the work of ephedrine. Although ephedrine is successful in the fat-burning department, I will explain later how harmful and deadly this supplement can actually become. Ephedrine has been shown to increase the effectiveness of thermogenesis (fat burning) in the body. It has powerful effects on the cellular mechanisms that control fat release from fat cells. Some of these effects include contributing to the release and blocking the re-uptake of the neurotransmitter norepinephrine. This gives norepinephrine
Caffeine also heightens mental alertness, which can positively affect your motivation to exercise and create the caloric deficit needed to lose body fat. It doesn't cut down your eating habbits so that it's dangerous but it makes you crave less food. In other words, caffeine potentiates ephedrine's effect. Kola nut is the caffeine source in Stacker 2. Because of its potential dangerous side effects, it is highly recommend that one consults his or her primary care physician before taking any supplement with ephedrine. Although some might assume these are dangers of Stacker 2 specifically, these unhelpful reactions are common to all ephedrine-based fat burners. While Stacker 2 and other ephedrine/caffeine-based supplements are very effective fat-burners backed by sizable scientific research, they have been associated with some potentially dangerous side effects. Many of my friends take this supplement before they work out and before they go to work. The second key thermogenic ingredient - caffeine - is a methylxanthine that stimulates hormone-induced fat burning. While kola nut normally increases alertness and reduces fatigue, as with caffeine, if you take too much you could get jittery and your thoughts could get scattered. It is known to give them an extra boost of energy but they admit how "wiped out" they are after about 2 hours of taking it. This is probably true for every supplement if taken properly. This change in a muscle's utilization of energy substrates can have a profound effect on fat loss. Stacker 2 uses an 8:1 ratio of caffeine to ephedrine - stronger than the 10:1 ratio that was used in the clinical trials that showed such positive synergistic effects with this combination. Stackers 2's are available at many drugstores, and may be purchased by anyone of any age.
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