Caffeine + L-Theanine: The Classic Stack, Optimized
Imagine energy without the jitters. Focus without the crash. That’s what happens when you combine coffee’s punch with tea’s calming touch. The caffeine + L-theanine combo isn’t just popular—it’s the gateway stack that’s converted thousands of skeptics into biohacking believers. Let’s break down why this simple pairing works so well and how to make it…