Caffeine reviews: what real users say
We read 2,414 first-hand mentions of Caffeine from health and supplement communities. 1,448 of them say clearly how it went — and 47% of those say it helped.
Where people say it works: energy (83% of 908), focus (83% of 568), mood (74% of 137), performance (88% of 49).
Where it disappoints: anxiety (only 16% of 240 say better), sleep (only 15% of 131 say better), heart & lipids (only 6% of 16 say better).
Most common complaints: jitteriness, anxiety, insomnia, headache, tolerance. All side effects →
Positive experiences
“Personally, I feel and function much better if I keep my caffeine intake very low to zero.”
“Enormous amounts of caffeine. It makes me more sociable by cutting back at my social anxiety while also allowing me to make it more then 6 hours without feeling like a sleep zombie.”
“Sleep! Holy gods. No more racing thoughts in the evenings. No more waking up feeling exhausted. Anxiety and social anxiety - gone. Back to my normal self.”
Negative and mixed experiences
“I cut down my caffeine content considerably about 6 years ago. I went from drinking 2 cups of coffee a day to 2 cups of tea... My anxiety decreased considerably and my heart palpitations almost completely went away.”
“I have a love hate relationship with caffeine...if I drink any past 10am it can effect my sleep.”
“I no longer have any anxiety or existential or suicidal thoughts, and I am much happier and outgoing and social.”
“I've already noticed my face just looks better. Wrinkles aren't as pronounced and my face isn't as dried out looking.”
“it would give me crazy anxiety and dizzy spells. Especially when standing up.”
“If I drink caffenated after 10am I will not be able to sleep all night. So I just took the Novos quiz which flags which healthy habits you should improve and they said I need to drink more caffenated coffee.”
Quotes are verbatim and link to the original public discussion. Information only — not medical advice. How we collect reports