Plain language, transparent about limits. This page is educational and is not medical advice.
Anhydrous caffeine. A purified form of caffeine, chosen for a precise, consistent dose. EFSA has discussed caffeine at around 75mg and above per serving in the context of increased alertness. It does not establish a guaranteed effect for every person, dose for dose.
L-theanine. An amino acid found naturally in tea leaves, paired with caffeine in studies on attention and calm alertness. Human research has looked at caffeine plus L-theanine for attention and reduced distraction. It does not prove a specific outcome for a specific individual.
Metabolism, tolerance and sensitivity differ from person to person. Research reviewed July 2026. Open the caffeine explorer · About this product · MindBites home