Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber. Muscle twitches are minor and often go unnoticed. Some are common and normal. Others are signs of a nervous system disorder.
Yerba mate has a slight astringent bitter taste due to the high tannin content of the leaves. Researchers have found that leaves from younger plants possess more tannins than leaves from older, more mature trees.
Honest Tea placed comfortably in first with high marks for real tea flavor, as well as its gentle hand with the sugar. This really tastes like tea! said one taster. Most other brands seemed reluctant to allow the naturally bitter compounds of tea come out in their drinks, while Honest Tea didn't hold back.