Coffee
People mainly take Coffee for energy, focus, anxiety. Based on 156 first-hand reports. Ranked #57 of 1,974 overall.
54
User score
Mixed29% positive28% mixed15% negative28% unclear
Of reports that state an outcome, 40% are positive.
Clinical research
Research pending
What Coffee does, according to users
Of the people who reported each effect, the share who said it got better.
5 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 Coffee is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
dailyas reported
2-4 cupsdaily
few cups a dayas reported
as needed at headache onsetas reported
morning dailyas reported
daily potdaily
Reported side effects
How often each side effect came up across all reports.
anxiety ×25jitteriness ×21insomnia ×8stomach issues ×6brain fog ×5tolerance ×4headache ×1high heart ×1
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“I have heard the coffee is very good for reducing the risk of liver scar tissue”
“I micro-dose coffee, vitamin d, and lemon juice every morning”
“Quitting coffee did not improve my productivity, but it did improve my sleep quality and digestion a lot.”
“Aniracetam+vyvanse+coffee ? It is not a little too much?”
“Caffine will punch holes in my slow wave sleep, but racetams and mct will not... coffee is overrated”
Top discussions (5)
- Replacing coffee with matcha has been a godsend. ↗
- Brushed my teeth with baking soda without knowing the side effects. Please help. ↗
- My top 10 takeaways from Rhonda Patrick's new episode about the longevity benefits of coffee ↗
- Low dose of caffeine enhances the efficacy of antidepressants in major depressive disorder and the underlying neural substrates - PubMed [2017] ↗
- Quercetin, not caffeine, is a major neuroprotective component in coffee (2016) ↗
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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