I just take a 100mg caffeine and 300mg L-Theanine stack per day, which is safe and works extremely well for me. Highly recommend you read this[0] before trying

I just take a 100mg caffeine and 300mg L-Theanine stack per day, which is safe and works extremely well for me. Highly recommend you read this[0] before trying stuffs out. [0]: https://www.reddit.com/r/nootropics/wiki/faq https://www.reddit.com/r/nootropics/wiki/faq