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.
Honey is another common addition to green tea, and it's one of my favorites. Combining lemon juice with honey is even better. The combo is popular in all kinds of teas but it goes especially well with the flavor profile of green tea. Make a cup when you're feeling under the weather or want to indulge your sweet tooth a little.