Some people may also experience digestive side effects like cramping or diarrhea
But is that actually how it works, and more importantly, is it something you should be doing
They even tried (with little success) to treat diabetes by injecting extracts of the gut, an early attempt at hormone therapy ( [29] )

Among the benefits for which L-theanine has been shown effective, youll find improvements in:4 Stress Sleep Neurological health (including memory and attention) Longevity Blood flow Theres also ample evidence that L-theanine can offset the less pleasant effects of caffeine and even work synergistically with caffeine to improve focus.14 15 Lets take a quick look at each of these potential benefits and what research says about them: Stress and anxiety In a Japanese study looking at the effects of 200mg of L-theanine, participants in the treatment groups verbal fluency and letter fluency improved in the face of stress compared to placebo.8 And a larger review of studies using 200-400mg doses found reductions in self-reported stress as well as improvements in stressor tasks, reaction time, and brain wave activity.16 Sleep L-Theanines sleep benefits are tied to its stress-reduction potential
Featured Ingredients: Vitamin C, B Vitamins, Zinc, Magnesium Rough night
Discontinue use and seek medical advice if you experience symptoms of an allergic reaction