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.
ROASTED MATE (Herbal tea) This is roasted Yerba Mate (Ilex Paraguariensis), from Brazil. One of the greatest drinking herbs! It contains unique type of caffeine that works as a brain stimulant, yet does not cause side effects as regular caffeine: jitters or anxiety for example.