GW-501516 vs MK-677 for performance
Short answer: For performance, more users report improvement with GW-501516 — 93% of 71 reports, versus 88% of 66 for MK-677.
GW-501516 has 0 meta-analyses and 0 randomized trials on PubMed; MK-677 has 0 and 15.
Based on 307 reports about GW-501516 and 685 about MK-677. Not medical advice.
| GW-501516 Substance | MK-677 Substance | |
|---|---|---|
| User score | 46 | 44 |
| Verdict | Mostly positive | Mixed |
| Positive of reports that state an outcome | 64% | 41% |
| Reports | 307 | 685 |
| Research | DResearch: None | BResearch: Moderate |
| Meta-analyses / RCTs | 0 / 0 | 0 / 15 |
| Mainly used for | ||
| Weight loss % reporting improvement | 86% (50) | 63% (43) |
| Appetite % reporting improvement | 50% (4) | 62% (151) |
| Focus % reporting improvement | — | 0% (3) |
| Energy % reporting improvement | 95% (19) | 39% (49) |
| Sleep % reporting improvement | 0% (2) | 78% (121) |
| Anxiety % reporting improvement | — | 5% (21) |
| Mood % reporting improvement | 100% (2) | 59% (17) |
| Performance % reporting improvement | 93% (71) | 88% (66) |
| Recovery % reporting improvement | 100% (3) | 99% (81) |
| Pain & inflammation % reporting improvement | — | 67% (18) |
| Digestion % reporting improvement | — | 50% (2) |
| Libido % reporting improvement | — | 25% (8) |
| Hormones % reporting improvement | — | 41% (34) |
| Blood sugar % reporting improvement | — | 5% (44) |
| Heart & lipids % reporting improvement | 89% (19) | 8% (12) |
| Skin & hair % reporting improvement | — | 91% (23) |
| Longevity % reporting improvement | 50% (2) | — |
| Common side effects | cancer risk, acne, fatigue, brain fog | water retention, fatigue, hunger, stomach issues |
| Typical dose reported | 20 mg | 12.5 mg / before dinner |
MK-677Full MK-677 profile →
What a user said
“Mk 677 apparently increases HGH levels comparable to around 2 IU's of generics”
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