Caffeine with L-Theanine
People mainly take Caffeine with L-Theanine for focus, anxiety. Based on 7 first-hand reports. Ranked #306 of 1,974 overall.
34
User score
Mostly positive71% positive29% mixed0% negative0% unclear
Of reports that state an outcome, 71% are positive.
Clinical research
Research pending
What Caffeine with L-Theanine does, according to users
Of the people who reported each effect, the share who said it got better.
2 more with fewer than 3 reports
betterno changeworse
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for Caffeine with L-Theanine is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
100 mg caffeine + 200 mg theanineas reported
100 mg caffeine (implied)once
Reported side effects
How often each side effect came up across all reports.
aggression ×1antisocial behavior ×1chest pain ×1
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Sometimes with caffeine, sometimes before bed, especially if I've been drinking, and sometimes just to chill.”
“Caffeine with L-theanine”
“Theanine with caffeine works amazingly well and essentially removes the bad effects of caffeine for me”
“Caffeine and L-theanine”
“Theanine along with the caffeine is fantastic. They're typically combined for the exact reason you noted”
Top discussions (5)
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User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate