Specialty / Emerging

LGD-4033 (Ligandrol)

Research / preclinical

AR modulator — bone and muscle research. Research compound, not approved for human use.

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Mechanism

SARM (research). AR modulator — bone and muscle research. Research compound, not approved for human use. For full mechanism, dosing protocol, and stacking guidance, ask the AI Advisor or open the compound in-app.

Peer-Reviewed Studies (2)

LGD-4033 Phase 1 in Healthy Men

J Gerontol A Biol Sci Med Sci · 2013

Increased lean mass with dose-dependent SHBG suppression.

PubMed PMID 22459616 →

LGD-4033 in Hip Fracture Recovery

JAMA Intern Med · 2018

VK5211 phase 2 showed lean mass gains.

PubMed PMID 29677233 →

Related Compounds

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GDF-11

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Lithium Orotate (low-dose)

Microdose lithium — mood, longevity epidemiology in tap water studies.

Ostarine (MK-2866)

Selective androgen receptor modulator — most-studied SARM. Research only, not approved.