16 Nov 2017 --- Researchers have shown that use of the dietary supplement yerba mate over an extended period had significant effects on body weight and weight gain and was associated with lower levels of blood lipids and insulin in obese mice fed a high-fat diet. In recent years, the popularity of yerba mate has grown steadily in NPD, with an increasing number of food, beverage and supplement product launches with a variety of health claims featuring this South American plant.