/DISCLAIMER · RESEARCH_COMPOUND

This page is reference information only. Most compounds described here are research chemicals, not FDA-approved medications. MyTRT does not sell, recommend, or endorse the use of these substances. Always consult a qualified physician.

/RAD_140
SARM / Research Chemical

RAD-140 (Testolone)

Selective Androgen Receptor Modulator (SARM)

/HALF_LIFE
16–20 hours
/DELIVERY
Oral capsule or liquid solution

/WHAT_IT_IS

RAD-140, also known as Testolone, is a potent non-steroidal SARM designed to enhance muscle growth, strength, and endurance with minimal androgenic side effects compared to anabolic steroids.

/USAGE

Used in research settings for its anabolic effects, muscle wasting prevention, and potential benefits in hormone replacement therapy. Popular in bodybuilding for lean muscle gains and recomposition.

/MECHANISM_OF_ACTION

Binds selectively to androgen receptors in muscle and bone tissue, stimulating anabolic activity while reducing the risk of androgenic side effects in non-target tissues.

Reported Benefits

  • +Promotes significant lean muscle growth
  • +Enhances strength and athletic performance
  • +Supports fat loss and body recomposition
  • +No aromatization to estrogen
  • +May aid in bone health

Reported Side Effects

  • Testosterone suppression (dose-dependent)
  • Mild liver enzyme elevation
  • Potential hair shedding or acne (rare)
  • Mood changes or irritability
  • Possible headaches

/STACKED_WITH

MK-677 (Ibutamoren)GW-501516 (Cardarine)Ostarine (MK-2866)S4 (Andarine)Testosterone (TRT for advanced users)

/RESEARCH_NOTES

RAD-140 is non-methylated but may mildly impact liver values. Due to testosterone suppression, a proper PCT protocol is advised after use. Research is ongoing for its safety and long-term effects.

/RELATED

/TRACK_THIS

Browse all 89 in the app.

MyTRT's in-app library has the same 89 peptide entries plus dosing notes, stack builders, and the ability to log them alongside your TRT protocol.

Last reviewed: 2026-06-04 · Reference only. Not medical advice. Consult a qualified physician.