RAD 140 Dosage for Muscle Mass: A Beginner’s and Advanced Guide

  • By: Dave Moffat
  • Date: April 20, 2025

RAD 140, commonly known as Testolone, is one of the most potent selective androgen receptor modulators (SARMs) on the market. Bodybuilders and fitness enthusiasts use it for rapid muscle growth, strength enhancement, and fat loss without the severe androgenic side effects of anabolic steroids.

However, proper dosing is crucial to maximizing benefits while minimizing risks. Whether you’re a beginner or an advanced user, this guide will help you navigate the ideal RAD 140 dosage, its effects, and essential recovery strategies.


What is RAD 140 and How Does It Work?

Mechanism of Action

RAD 140 binds selectively to androgen receptors in muscle and bone tissue, stimulating muscle protein synthesis and accelerating muscle hypertrophy. Unlike steroids, it does not convert to estrogen or cause severe androgenic effects like hair loss or prostate enlargement.

Key Benefits of RAD 140

  • Increased Lean Muscle Mass – Significant muscle gains within weeks.
  • Enhanced Strength & Endurance – Lifts and performance improve rapidly.
  • Accelerated Fat Loss – Burns fat while preserving muscle.
  • Shorter Recovery Time – Reduces muscle soreness and enhances repair.

RAD 140 Dosage for Beginners

Recommended Dosage

  • Start with 5 mg per day to assess tolerance.
  • If well-tolerated, increase to 10 mg per day after two weeks.
  • Cycle Length: 6–8 weeks.
  • Post-Cycle Therapy (PCT): Essential for hormonal recovery.
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Benefits for Beginners

  • Noticeable muscle and strength gains without excessive suppression.
  • Reduced risk of side effects compared to higher doses.
  • Easier recovery post-cycle.

RAD 140 Dosage for Advanced Users

Recommended Dosage

  • Intermediate Users: 10 mg–15 mg per day.
  • Advanced Users: Up to 20 mg per day.
  • Cycle Length: 8–12 weeks.
  • Longer Break Period: Take 8–12 weeks off between cycles to allow hormonal balance to restore.

Benefits for Advanced Users

  • More significant muscle and strength gains.
  • Improved endurance and fat loss synergy.
  • Potential for stacking with other SARMs.

Potential Side Effects and Risks

Even though RAD 140 is not a steroid, it still carries risks, especially at higher doses.

Common Side Effects

  1. Testosterone Suppression – Leads to low energy, libido issues, and mood swings.
  2. Liver Toxicity – Mild liver strain; monitor liver enzymes.
  3. Water Retention & Mild Acne – Some users report temporary bloating and skin breakouts.

How to Minimize Risks

  • Stick to recommended dosages.
  • Use on-cycle support supplements to protect liver health.
  • Follow a proper post-cycle therapy (PCT) plan.

PCT and Recovery Strategies

Why is PCT Necessary?

Since RAD 140 suppresses natural testosterone production, skipping PCT can lead to prolonged recovery, fatigue, and potential long-term suppression.

Effective PCT Protocols

  • Clomid (Clomiphene): 25–50 mg/day for 4–6 weeks.
  • Nolvadex (Tamoxifen): 20–40 mg/day for 4 weeks.
  • hCG (Optional): 250–500 IU 2–3 times per week (if suppression is severe).
  • Natural Test Boosters: Supplements like ashwagandha, D-aspartic acid, and zinc can aid recovery.

Stacking RAD 140 with Other Compounds

Stacking RAD 140 with other SARMs can enhance results but increases suppression risks.

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Popular Stacks

  • RAD 140 + Ostarine (MK-2866) – For lean muscle gains with minimal suppression.
  • RAD 140 + Ligandrol (LGD-4033) – For aggressive bulking and strength.
  • RAD 140 + Cardarine (GW-501516) – For cutting and endurance enhancement.

Stacking Considerations

  • Always run a proper PCT after stacked cycles.
  • Monitor hormone levels before, during, and after cycles.
  • Adjust dosages based on individual tolerance.

Legal and Safety Considerations

  • Banned in Sports: RAD 140 is prohibited by the World Anti-Doping Agency (WADA).
  • Not FDA-Approved: No clinical trials have confirmed its long-term safety in humans.
  • Potential Legal Issues: Laws vary by country; check local regulations before purchasing.
  • Health Precautions: Always consult a doctor before using SARMs, especially if you have underlying medical conditions.

Conclusion

RAD 140 is a powerful muscle-building SARM, but proper dosing is essential for maximizing gains and minimizing side effects. Beginners should start low, while advanced users can push the dosage cautiously. Post-cycle therapy is non-negotiable for hormonal recovery, and stacking should be done responsibly. Always prioritize health and legality before starting a RAD 140 cycle.


By following this guide, you can safely incorporate RAD 140 into your fitness regimen and achieve impressive muscle mass and strength gains while protecting your long-term health.

Final Tip: Research thoroughly, listen to your body, and never compromise on safety.

Dave Moffat

Hi, I'm Dave Moffat the founder and Chief Editor of steroidsourcetalk.com and certified International Personal Trainer and Certified Nutritionist. My passion has always been bodybuilding but with 15 years' experience in weight loss programs too, it's hard not to mention all that when you're working at your fitness level fullest (I hope). When Im not in the gym or spending time away from my family i often think about what advice would help others achieve theirs goals just like these inspired mine.