Comparison

RAD-140 vs S-23

RAD-140 for clean anabolic mass, S-23 for hard, dry, competition-level finish.

Effectiveness Profile

RAD-140
S-23

At a Glance

 RAD-140S-23
TypeSARMSARM
Legal statusResearchResearch
Half-life~44 hours~11–12 hours (rat PK; not formally characterized in humans)
Preferred routeOralOral
Dose frequencyonce-dailytwice-daily
Beginner dose5–10 mg10–15 mg
Intermediate dose10–20 mg15–20 mg
Advanced dose20–30 mg20–30 mg
Cycle length6–12 wks6–10 wks
Bioavailability50%96%
Time to peak1.5h2h
Active duration48h24h
StorageRoom temperature, dry, away from light. Liquid suspensions stable for 12+ months.Room temperature, dry, out of direct light; refrigerate liquid solutions for long-term storage
PCT requiredYesYes
Ancillaries requiredYesYes
Safe for womenNoNo
Anabolic / androgenic90 / 1500 / 95

Verdict

RAD-140 wins for moderate-to-high anabolic gains with a friendlier side-effect profile, especially for users chasing muscle growth without severe HPG axis shutdown or desiring a less androgenic choice for hair retention. Its half-life and manageable suppression make it the SARM of choice for first-timers and moderate cycles.

S-23 wins for raw AR binding potency, delivering the dry, hard, contest-prep look with maximal aggression and strength preservation in a deficit. Nothing else in the SARM category comes close for hardness—if you can handle the near-total suppression and want a true finishing agent, S-23 is unmatched.

Pick A or B?

Pick RAD-140 if:

  • You want robust lean mass and strength gains with a lower risk of complete shutdown
  • Hair retention is a high priority (finasteride-sensitive, avoiding DHT conversion)
  • Running your first oral SARM cycle and want a baseline for tolerability
  • Looking for a versatile SARM to stack (ostarine for recomp, cardarine for cut, MK-677 for bulk)
  • Want meaningful results in an 8-week cycle with moderate PCT

Pick S-23 if:

  • You need maximum hardness, dryness, and visible muscle separation for a peak phase or photoshoot
  • You're advanced and already understand/recover well from harsh HPG suppression
  • Stacking with a test base and want a "hardener" alongside injectable AAS
  • You want a short-cycle contest prep finisher where strength and aggression need to be at their peak
  • You can tightly manage side effects, PCT, and regression risk post-cycle

Where to Buy

Swiss Chems

Swiss Chems

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  • RAD-140· Buy RAD-140 (Testolone), (10mg/capsule) 60 Capsules - SwissChems - Buy Best Quality Peptides, SARMS Online
    Buy RAD-140
  • S-23· Buy S-23 (10mg/capsule), 60 Capsules - SwissChems - Buy Best Quality Peptides, SARMS Online
    Buy S-23
NextChems

NextChems

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