Ephedrine-Caffeine Stack
The short answer. There isn't much data on Ephedrine-Caffeine Stack yet — 10 mentions, 8 with a clear outcome — so treat these numbers as anecdotal. It is most often used for weight loss: 100% of 6 reports say that improved.
From 10 mentions in total — the rest didn't say how it went and aren't counted.
What Ephedrine-Caffeine Stack 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
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.
“I've begun using EC stacks (second day, actually) and wow, the stim effect is no joke... I've noticed I'm very focussed after taking an EC stack.”
“this ec stack is making me feel spaced out. It's hard to describe but everything seems like more zoomed out”
“I'm taking 2 doses (1 E, 200mg C, sometimes 1200mg FO or 81mg A) per day. Seeing awesome results after 3 days.”
“Results were amazing. I'm down 45lbs and counting, without noticeable strength losses.”
Other options for weight loss
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 3, 2026. How we rate