MK-677 vs Sermorelin for sleep
Short answer: For sleep, more users report improvement with Sermorelin — 90% of 30 reports, versus 79% of 170 for MK-677.
MK-677 has 0 meta-analyses and 15 randomized trials on PubMed; Sermorelin has 0 and 0.
Based on 978 reports about MK-677 and 142 about Sermorelin. Not medical advice.
| MK-677 Substance | Sermorelin Peptide | |
|---|---|---|
| Users say it helped | 39%helped479 reports · high confidence | 53%helped54 reports · medium confidence |
| Verdict | Mixed | Mixed |
| Research | BResearch: Moderate | DResearch: None |
| Meta-analyses / RCTs | 0 / 15 | 0 / 0 |
| Mainly used for | ||
| Appetite % reporting improvement | 66% (228) | 67% (3) |
| Sleep % reporting improvement | 79% (170) | 90% (30) |
| Recovery % reporting improvement | 99% (106) | 100% (10) |
| Performance % reporting improvement | 90% (87) | 92% (13) |
| Energy % reporting improvement | 37% (62) | 91% (11) |
| Common side effects | water retention, fatigue, stomach issues, hunger | allergic reaction, fatigue, hives, itching |
| Typical dose reported | 12.5 mg / before dinner | Not listed |
MK-677Full MK-677 profile →
What a user said
“From my own experience (also have suffered from poor sleep), i experienced a noticeable increase in sleep quality even with a low dose.”
SermorelinFull Sermorelin profile →
What a user said
“I have been taking semorelin for over 3 years. 8 weeks off after 5 months. It works.”
Related comparisons
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