Studies show that fiber is the “key to staying youthful longer”. Another study shows fiber “increases muscle mass and decreases body fat”. According to Gregory Freund, M.D. studies show how fiber supports healthy immune system "Soluble fiber changes IMMUNE cells from being pro-inflammatory warrior cells to anti-inflammatory peacekeeper cells," DoTERRA fiber known to promote healthy digestive, cardio, immune, metabolism, weight management and maintaining healthy microbiome.