LGD-4033 Research Guide

Full name: Ligandrol (LGD-4033)

A non-steroidal SARM with high affinity for muscle and bone tissue. One of the most researched SARMs with demonstrated lean mass gains.

How LGD-4033 Works

Selectively binds androgen receptors in muscle and bone, activating anabolic gene transcription while avoiding prostate activity.

Dosing Protocol

• Typical dose: 5-10 mg
• Frequency: Once daily
• Duration: 6-8 weeks
• Route: Oral

Reported Benefits

• Significant lean mass gains
• Bone density improvement
• Oral convenience
• Selective tissue activity

Potential Side Effects

• Testosterone suppression
• Mild headache
• Water retention
• Fatigue

Research Citations

1. LGD-4033 Phase 1 dose escalation (2013) - Dose-dependent lean mass increases (1.21kg at 1mg/day) over 21 days with reversibility.
2. SARMs for muscle wasting (2020) - Preserved lean mass in cancer cachexia without prostate stimulation.

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