Stacker 3 is a fat-burning pill sold over the counter. Because the FDA doesn't regulate nutritional supplements, there's no guarantee that the pills actually contain the ingredients listed. No studies or research exist on Stacker 3, either, so it's impossible to say whether it works and how dangerous it could be. Always talk to your doctor before taking any weight-loss product, including Stacker 3.
How it Works
Stacker 3 claims to be both a fat blocker and a fat burner. You're supposed to take Stacker 3 supplements in conjunction with a healthy diet and an exercise program, but there are no official recommendations on the bottle to help determine a proper eating and exercise plan.
Ingredients
Stacker 3 contains kola nut, caffeine, guarana and green tea. All of these have a caffeine-like effect on the body. Stacker 3 also has grapefruit extract, cactus extract and garnicia, all of which are commonly found in weight-loss pills. In addition, Stacker 3 contains chitosan, which blocks the absorption of fat. This is a new ingredient, as it wasn't included in the Stacker 1 or Stacker 2 supplements.
Side Effects
Because Stacker 3 contains large amounts of caffeine, it can cause anxiety, rapid heartbeat and other effects associated with caffeine. It can also increase blood pressure and could be dangerous for people who suffer from heart disease. Other side effects include shakiness and nausea.
Positive Effects
Stacker 3 will increase energy levels because of the caffeine content. If you're feeling weak and have a hard time exercising, Stacker 3 might give you the push you need. The caffeine might also keep you more awake and alert. Although there's no reliable evidence that chitosan works as a fat blocker, MayoClinic.com reports that it's safe to take.
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