Disliked{quote} I just did a quick check of some research articles. These studies typically use at least 100 mg theanine per dose and a theanine:caffeine ratio of about 2:1. In typical consumer black tea, 200 mL, there is about 25mg theanine and 50 mg caffeine, the opposite ratio used in the studies, and significantly lower concentrations.Ignored
I didn't like it at all, it gave me a weird buzz in the back of my head
I think you probably need to have the caffeine along with it