RAD-140 (Testolone) Research Guide

Full name: Testolone (RAD-140)

A potent selective androgen receptor modulator (SARM) studied for strong anabolic effects on muscle. It is not approved for human use, is banned in sport, and carries notable suppression and liver-stress concerns.

How RAD-140 (Testolone) Works

Acts as a strong, tissue-selective androgen receptor agonist in muscle and bone, driving anabolic signaling with a higher anabolic-to-androgenic ratio than testosterone in preclinical models.

Dosing Protocol

• Typical dose: Commonly cited 5-15 mg/day (research)
• Frequency: Once daily
• Duration: Commonly cited 6-10 week cycles
• Route: Oral

Reported Benefits

• Strong lean muscle gains (research)
• Increased strength
• Studied originally for muscle wasting and breast cancer
• Bone-supportive signaling

Potential Side Effects

• Marked testosterone suppression
• Liver enzyme elevation
• Lowered HDL cholesterol
• Aggression/mood changes
• Potential hair shedding

Research Citations

1. RAD-140 preclinical anabolic profile (2011) - Showed potent, tissue-selective anabolic activity in muscle with reduced prostate effects in primates.

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