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Caffeine + L-Theanine: The Ratio That Stops the Crash
caffeine
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L-theanine

Caffeine + L-Theanine: The Ratio That Stops the Crash

In clinical trials, the most common effective pairing is roughly 2:1 L-theanine to caffeine, for example 100 mg L-theanine with 50 mg caffeine, with...
Dina Rogonja