Eca Stack vs Tesamorelin for weight loss
Short answer: For weight loss, more users report improvement with Eca Stack — 100% of 28 reports, versus 95% of 82 for Tesamorelin.
Tesamorelin has 3 meta-analyses and 21 randomized trials on PubMed; the other has not been graded.
Based on 60 reports about Eca Stack and 265 about Tesamorelin. Not medical advice.
| Eca Stack Substance | Tesamorelin Peptide | |
|---|---|---|
| Users say it helped | 74%helped32 reports · medium confidence | 58%helped119 reports · high confidence |
| Verdict | Mostly positive | Mixed |
| Research | Not graded | AResearch: Strong |
| Meta-analyses / RCTs | — | 3 / 21 |
| Mainly used for | ||
| Weight loss % reporting improvement | 100% (28) | 95% (82) |
| Performance % reporting improvement | 100% (2) | 88% (25) |
| Sleep % reporting improvement | — | 70% (20) |
| Energy % reporting improvement | 92% (12) | 100% (5) |
| Appetite % reporting improvement | 67% (12) | 100% (3) |
| Common side effects | jitteriness, insomnia, increased heart, headache | water retention, allergic reaction, anaphylaxis, swelling |
| Typical dose reported | 25 mg ephedrine, 200-250 mg caffeine, 81 mg aspirin | Not listed |
“I used to feel hungry every two or three hours, but now I am very rarely hungry. I've lost 8 pounds since Friday while only doing cardio. I feel fine - no jitters, nausea, etc.”
However, limited data on long-term safety, optimal dosing strategies, and durability of treatment effects warrant caution. Future research should evaluate extended treatment duration, dose-response relationships, and patient-reported outcomes to establish comprehensive clinical utility.
J Int Assoc Provid AIDS Care, 2026 ↗“I also added Tesamorelin 2 months in due to the harder time sleeping on Retatrutide and wanting to accelerate the burn of my visceral fats (2mg 5x a week). Worked like magic for me.”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate