'Green coffee as a drink can be safely taken as long as your daily caffeine intake does not exceed 400 milligrams,' says Tonnessen. What are some side effects of green coffee? There also isn't sufficient evidence showing that green coffee can benefit diabetes, Alzheimer's disease, or other health conditions. The participants took 400 milligrams of green coffee extract twice a day for four weeks.Īccording to the United States National Library of Medicine, the evidence from studies investigating the impact of green coffee on obesity and blood pressure is still inconclusive. The participants also saw improvements in their blood pressure as well as some markers of diabetes, like fasting blood sugar, and insulin resistance. 'Many studies done on green coffee have been conducted on animals or have a very small sample size,' says Tonnessen.įor instance, a small 2018 study with around 40 participants diagnosed with metabolic syndrome found that green coffee extract combined with a balanced diet helped participants lose weight.

However, any benefits still have to be conclusively proven by science while there has been some research investigating the benefits of green coffee, it is still preliminary. 'Green coffee is thought to have health benefits due to the high amount of chlorogenic acids, which act as antioxidants,' says Rebecca Tonnessen, RDN, at the Hospital for Special Surgery's Department of Food & Nutrition Services.

Green coffee bean powder