LG Sciences 4-Andro is a high-powered prohormone engineered for serious mass and strength gains. Each tablet delivers 75 mg of 4-Andro (3β-hydroxy-androst-4-ene-17-one), a potent DHEA derivative that converts into testosterone in the body, providing an anabolic surge that supports rapid muscle growth, increased strength, and improved recovery. With its wet-gain profile, 4-Andro helps pack on size with enhanced nitrogen retention and muscle fullness, making it the perfect choice for bulking cycles.
Promotes rapid muscle mass and size gains
Boosts testosterone for anabolic power and recovery
Enhances strength, stamina, and workout performance
Increases nitrogen retention and muscle fullness
Ideal for bulking cycles and pairing with other prohormones
Serving Size: 1 Tablet
Servings Per Container: 60
4-Andro (3β-hydroxy-androst-4-ene-17-one) – 75 mg
4-Andro (3β-hydroxy-androst-4-ene-17-one) – 75 mg: Converts into testosterone in the body, delivering powerful anabolic effects for muscle growth, strength, and recovery. Known for its ability to add size, fullness, and strength while supporting healthy hormone balance.
Take 1–2 tablets daily, spaced evenly throughout the day.
Beginners: 1 tablet per day.
Advanced users: up to 2 tablets daily for maximum results.
Cycle Length: 4–8 weeks.
Post Cycle Therapy (PCT): Recommended following every cycle to restore natural testosterone levels.
Athletes and lifters seeking rapid mass and size gains
Bodybuilders in bulking phases looking for increased muscle fullness
Strength-focused users wanting enhanced testosterone support
Experienced supplement users familiar with prohormone cycles
Is 4-Andro legal?
Yes, 4-Andro is compliant with current supplement regulations.
Do I need PCT after using 4-Andro?
Yes. A proper post-cycle therapy is essential for hormone balance and long-term results.
What’s the difference between 1-Andro and 4-Andro?
1-Andro is best for lean, dry gains, while 4-Andro provides fuller, wet mass gains.
Can beginners use this product?
Yes, beginners can start with 1 tablet daily, though prohormones are typically recommended for experienced users.


