People mainly take Caffeine Powder for energy. Based on 8 first-hand reports and 1 meta-analyses & systematic reviews in the medical literature. Ranked #1436 of 1,974 overall.
Of reports that state an outcome, 0% are positive.
Of the people who reported each effect, the share who said it got better.
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
At least one meta-analysis, or 5+ randomized controlled trials. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: These events happened more frequently in infants, psychiatric patients, and athletes. Although caffeine intoxication is relatively uncommon, raising awareness about its lethal consequences could be useful for both clinicians and pathologists to identify possible unrecognized cases and prevent related severe health conditions and deaths.
PubMed 29757951 ↗As stated by users — not a recommendation. Follow the label or your doctor.
How often each side effect came up across all reports.
Verbatim quotes, shortened only — each links to the original discussion.
“My other favorite is mix 6.4g of caffeine powder with 32 oz of water. Makes a perfect shot”
“I seriously doubt this can provide an "exact 20mg microdose". If that's the goal then caffeine powder would be far more effective.”
“Be VERY careful with caffeine powder. 1-2 grams of it at once can literally KILL you.”
“Labeling telling customers that 1/32nd of a teaspoon is a safe dose is dangerous. Telling customers they can measure caffeine on a gram (0.1g accuracy) scale is also negligent.”
“I prefer powder. I use to buy mine from hard rhino but couple years ago some idiot OD by taking way too much.”
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