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In Dr. Joe Vinson’s “Randomized, double-blind, placebo-controlled, linear dose, crossover study to evaluate the efficacy and safety of a green coffee bean extract in overweight subjects,” 16 patients received varying doses of Green Coffee Bean Extract for 22 weeks. As for side effects, “All subjects completed the study and there were no [reported] side effects…”
In 2006, a study took place in Japan to examine “The blood pressure-lowering effect and safety of chlorogenic acid from green coffee bean extract in essential hypertension.” The subjects receiving Green Coffee Bean Extract, but not the placebo group, saw a significant decrease blood pressure (systolic and diastolic) during the ingestion period. “There was no difference in body mass index and pulse rate between groups, nor were there any apparent side effects.”
As you can see from the studies, side effects are generally not an issue when taking Green Coffee Bean Extract. Some side effects have been reported by those with sensitivity to caffeine, but these side effects are mild and easily avoidable. To avoid jitters, simply start off with a lower dose and work your way up to what is recommended. To avoid problems falling asleep, take the supplement with breakfast and lunch and avoid taking it later in the evening. Again, these side effects are mild because Green Coffee Bean Extract has VERY little caffeine (as little as 2%).
Lesser Green Coffee supplements may contain artificial ingredients such as fillers, flow agents, and added caffeine. When it comes to supplements, artificial ingredients tend to do more harm than good. To avoid side effects, stick to a Green Coffee supplement that contains ONLY Green Coffee Bean Extract in vegetable capsule.
Does Green Coffee Bean Extract Pass Our Outstanding Organic Ingredient Test?