What Is S-23?

S-23, the orally bioavailable nonsteroidal SARM, is admired by bodybuilders across the world for its unique ability to improve lean muscle mass and bone tissue. A safer alternative to anabolic steroid, this selective androgen receptor modulator is extremely effective to lose stubborn fat. Considered by many as a powerful version of S-4 (Andarine), S-23 is one of the best performance-enhancing drugs to harden muscle and gain a grainier aesthetic look.

Benefits Of S-23

  • Increases both skeletal and muscle mass
  • Promotes long-lasting muscle mass and endurance gains
  • Ideal for muscle hardening
  • Completely sets off catabolism in a calorie deficit
  • Increases bone strength and reduces fat mass
  • Improves libido in men and women
  • Helps users to retain gains long after a cycle
  • No bloating or fluid retention

How To Use S-23

Cycle Length

S-23 is best used in cycles of 8-12 weeks by men and 4-6 weeks by women though this can differ according to individual preferences and cycle requirements.

Dosage For Men

20-30mg every day, preferably 30-40 minutes before workouts and after meals, in a cycle of eight to twelve weeks.

Dosage For Women

5-10mg every day, preferably 30-40 minutes before workouts and after meals, in a cycle of four to six weeks.

Product Half Life

The half-life of this SARM is around 12 hours and therefore twice a day dosing is fine (two equal split doses of 10-15mg each for male users and 2.5-5mg each for female users: once in the morning and once in the evening) dosing is fine.

Typical Results

The users of S-23 have reported massive improvements in the levels of lean muscle mass, strength, endurance, and the sense of well-being. Many online reviews on eminent bodybuilding and XSARMs forums have also suggested that S-23 is a far better option than S-4 when it comes to losing abdominal and visceral fat.


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Andarine (S4)


Ligandrol (LGD-4033)


Testolone (RAD-140)


Cardarine (GW-501516)

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