L-theanin and meditation for relaxed vigilance
Introduction Meditation is becoming increasingly popular, not mandatory to find spiritual enlightenment, but to counter stress, to get a pleasant focus and head free from too loud thoughts. L-theanin is, so to speak, "the" meditation active ingredient par excellence, including because it Guayusa and green tea makes valuable companions. Why caffeine and L-theanin together have positive characteristics on meditation, more...
