Compare · SARM
Ligandrol vs YK-11
Both are sarm compounds. Here's how they line up on the evidence — graded the same way.
| Ligandrol | YK-11 | |
|---|---|---|
| Evidence | 7/10 | 3/10 |
| Class | SARM | SARM |
| Summary | Ligandrol (LGD-4033) is a nonsteroidal selective androgen receptor modulator (SARM), not a peptide. Its only real human data is a single 3-week Phase 1 trial; it is an unapproved drug, illegal to sell as a supplement, and banned in sport. | YK-11 is a synthetic steroidal SARM marketed for muscle growth, but its claimed human benefits rest entirely on cell-culture data — there are no human trials, and it is an unapproved drug banned in sport. |
| Full profile → | Full profile → |
Ligandrol
Ligandrol (LGD-4033) is a SARM (selective androgen receptor modulator — a drug that turns on the same cell switch as testosterone, but only in some tissues). Importantly, it is a small lab-made molecule, not a peptide. It is sold widely online and is popular in fitness circles, where it is pitched…
YK-11
YK-11 is a lab-made compound sold as a SARM (selective androgen receptor modulator — a drug designed to switch on the body's muscle-building signals) and pitched as a way to add muscle. The marketing aside, it is not a peptide. It is a steroid-style molecule built on a 19-norandrostane backbone (a…