Interaction checker → Caffeine + L-Theanine
Works well togetherCaffeine and L-Theanine: why they work well together
Theanine smooths caffeine
What happens
L-theanine raises alpha wave activity and blunts the jitter and heart-rate bump from caffeine without killing the alertness.
What to do about it
Classic pairing. A 2:1 theanine-to-caffeine ratio is the usual target.
This is general information compiled from published pharmacology, not
advice about your situation. Your dose, your other medication and your bloodwork all matter,
and a pharmacist can see those in a way this page cannot.
Check your whole stack at once
Stackwise checks every pair in what you take, against your medication list, and moves things in your schedule when two of them need spacing apart.
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