The SARM Andarine S-4 is believed to treat muscle wasting, hypertrophy, and osteoporosis in every patient.For cutting stack, the user must take 25-50mg daily with andarine to provide endurance, lose extra fats, and build muscles. For bulking, the user should take 20-25 mg per day with andarine for 8 weeks to see better results. It is a predecessor to S-23 and it’s extremely anabolic. It is comparable to the likes of winstrol and anavar.

- A 1st gen SARM. Very anabolic. Moderate metabolic improvements. Tried-and-true.
- Known for: Increasing muscle mass, bulking, some fat loss
- Commonly stacked with: Typical bulking stack: S-4, YK-11, MK-677 | optional: MK-2866
- Side-effects: Testosterone suppression with prolonged use; temporary blurry or “yellow tint” vision in some users