LGD-4033 (Ligandrol) is a potent Selective Androgen Receptor Modulator (SARM) that weightlifters often use for bulking purposes due to its positive effects on muscle strength and hypertrophy. Here are some key details about LGD-4033:

1. Mechanism of Action:
   • LGD-4033 selectively binds to androgen receptors in muscle and bone tissues, promoting muscle growth and bone density.
   • Unlike traditional steroids, it minimizes unwanted side effects by targeting specific tissues.
2. Benefits:
   • Muscle Mass: In clinical trials, LGD-4033 led to notable increases in lean muscle mass. Healthy young men gained approximately 1.21 kg (2.67 lbs) in just 3 weeks.
   • Muscular Strength: Users often report exceptional strength gains, even during calorie deficits. It can enhance leg press strength and power.
3. Safety and Legal Status:
   • LGD-4033 was synthesized by Ligand Pharmaceuticals in 2007. Its long-term effects are still unknown, and it remains classified as a research compound.
   • While its side effects are not fully understood, LGD-4033 has been banned by WADA due to its positive effects on athletic performance.
4. Dosage:
   • The recommended dosage ranges from 5 to 10 mg per day, typically taken for 6 to 12 weeks.
   • Individual goals and physical conditions may influence the optimal dosage.