MK-677 vs RAD-140 for performance
Short answer: For performance, more users report improvement with RAD-140 — 93% of 296 reports, versus 88% of 68 for MK-677.
MK-677 has 0 meta-analyses and 15 randomized trials on PubMed; RAD-140 has 0 and 0.
Based on 692 reports about MK-677 and 684 about RAD-140. Not medical advice.
| MK-677 Substance | RAD-140 SARM | |
|---|---|---|
| User score | 45 | 44 |
| Verdict | Mixed | Mixed |
| Positive of reports that state an outcome | 41% | 42% |
| Reports | 692 | 684 |
| Research | BResearch: Moderate | DResearch: None |
| Meta-analyses / RCTs | 0 / 15 | 0 / 0 |
| Mainly used for | ||
| Weight loss % reporting improvement | 63% (43) | 92% (51) |
| Appetite % reporting improvement | 62% (152) | 56% (9) |
| Focus % reporting improvement | 0% (3) | 17% (6) |
| Energy % reporting improvement | 39% (49) | 41% (51) |
| Sleep % reporting improvement | 78% (123) | 3% (39) |
| Anxiety % reporting improvement | 5% (21) | 7% (15) |
| Mood % reporting improvement | 59% (17) | 37% (52) |
| Memory % reporting improvement | — | 100% (2) |
| Performance % reporting improvement | 88% (68) | 93% (296) |
| Recovery % reporting improvement | 99% (81) | 96% (28) |
| Pain & inflammation % reporting improvement | 67% (18) | 17% (12) |
| Digestion % reporting improvement | 50% (2) | 0% (3) |
| Libido % reporting improvement | 25% (8) | 42% (38) |
| Hormones % reporting improvement | 41% (34) | 5% (62) |
| Blood sugar % reporting improvement | 5% (44) | — |
| Heart & lipids % reporting improvement | 8% (12) | 6% (32) |
| Skin & hair % reporting improvement | 92% (24) | 0% (11) |
| Common side effects | water retention, fatigue, hunger, stomach issues | suppression, hair loss, fatigue, insomnia |
| 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.”
RAD-140Full RAD-140 profile →
What a user said
“I did put on decent size and I feel a lot fuller. My strength and endurance has gone up tremendously. Side effects - Shedding of hair, anxiety...”
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