Ec Stack
People mainly take Ec Stack for weight loss, appetite, energy. Based on 21 first-hand reports. Ranked #240 of 2,750 overall.
43
User score
Mostly positive57% positive10% mixed5% negative29% unclear
Of reports that state an outcome, 79% are positive.
Clinical research
Research pending
What Ec Stack does, according to users
Of the people who reported each effect, the share who said it got better.
3 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 Ec Stack is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
24 mg ephedrine + 200 mg caffeine2-3 times daily
up to 75 mg ephedrine + ~500 mg caffeinedaily
25 mg ephedrine200 mg caffeine
25 mg ephedrine + 200 mg caffeine3x daily (every 4 hours)
Reported side effects
How often each side effect came up across all reports.
racing heart ×2jitteriness ×2high blood ×1unsettled ×1insomnia ×1higher body ×1
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Ive tried my share of drugs and I've always gone back to the good old Noopept + EC stack.”
“IMO EC stack is about the closest you can get legally.”
“Ephedrine+caffeine can be taken through out the day to help burn calories and suppress appetite.”
“EC makes me feel shitty”
“want to EC stack with primatene”
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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 3, 2026. How we rate