Dangers of GNC Burn 60

GNC Burn 60 is an over-the-counter diet pill that promises to help you burn more calories after each dose. In this way, the product targets consumers who are working on their diets, but want to see results more quickly. The marketing on the GNC.com product page and elsewhere on the Internet touts the clinical research backing the pills, and promises an "all-natural" solution to your personal weight loss needs. However, within this blitz of big promises, there are dangers to consider when debating whether or not to try GNC Burn 60.

Supplements in a foil container. (Image: peych_p/iStock/Getty Images)

Claims Based on Limited Research

GNC.com advertises the GNC Burn 60 as being "clinically proven." Digging into the site's own details about the clinical studies, it becomes clear that the claims being made are based on limited research. GNC Burn 60 promises are based on a single study using only 22 participants. Each participant did two exercise sets on a treadmill after taking a pill. One pill was GNC Burn 60, and the other a placebo. The 22 participants were an unspecified blend of "healthy" men and women doing a limited amount of testing. No long-term studies of GNC Burn 60 exist, and side effects were not mentioned.

Caffeine-Like Side Effects

According to GNC.com, a dosage of GNC Burn 60 contains 495 mg of guarana seed extract, which is the equivalent of 180 mg of caffeine. Though different in chemical make up, Nutrasanus notes that the caffeine equivalent in guarana seed extract known as guaranine has the same stimulatory effects on the central nervous system, and also works as a mild diuretic. While guarana seed extract providing the equivalent of up to 400 mg of caffeine are considered safe for daily consumption, Nutrasanus notes that it may cause insomnia, complicate depression and be harmful for pregnant women.

Stomach Upset

Another ingredient in GNC Burn 60 is ginger, with each dose containing 200 milligrams. The University of Maryland Medical Center notes that ginger can cause stomach upset in some people, and that it should not be taken by anyone who has a blood disorder. The ginger in GNC Burn 60 may also negatively interact with blood thinner medications.

Potential Allergic Reactions

A final danger for those taking GNC Burn 60 is the potential for allergic reactions. GNC.com notes that GNC Burn 60 contains 210 mg of grape skin and grape seed extract per dose. In addition to mild scalp itching, the National Center for Alternative and Complementary Medicine notes that grape seed extract can cause hives and rare but severe allergic responses.

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