L-Theanine Powder 250g – Pure Supplement, Scoop Included, Non-GMO, Vegan, Gluten-Free

It is pure white, easy to measure, desolves easily. I put it in my hot coffee every morning. whisk it and with a little coffeemate, cannot tastes it at all. Perfect!

Dissolves well in coffee and seems to be working

As described ... Arrived fast!

Sleep aid that works

Works great, company ships fast. Easiest way to get this stuff in it’s pure form

Works as recommended by Huberman.. careful when mixing, powder can fly away

The l-theanine is great, it has great quality and texture. The measuring scoop is long and exactly the right size so you don't get your hands too messy. The l-theanine is effective and definitely reduces jitteriness and anxiety, great for sleep as well.

I've used several of these, Nutricost was pretty good, but this stuff is like speed to me, took it 2 hours before bed & couldn't sleep all night, it says its pure, tested, but we don't know where this stuff comes from, I've found several supplements that made my liver hurt or did not work at all. I've found Taurine, Ashwa that were bad, would not buy anything else from those companies, I don't write many reviews but this one is keeping me up right now that's why I'm writing it at 12 Midnight.