Mate Green is a tree native to the rainforests of South America. It is known for its positive effects on weight loss and heart health. Its virtues are also used as a painkiller, against migraines or even to re-energize your body. In a 2001 study, conducted by Dr. Torben Andersen at Charlottenlund Medical Center in Denmark, 47 overweight patients and healthy Mat used the green for 45 days. They lost about 5 kg. The difference was significant compared to the placebo group, which lost about 0.5 kg. It was also noted that mixing plant regrowth 20 minutes gastric emptying, meaning that you feel full longer after a meal.