Durastanon

What is Durastanon by SYN Pharma?

Durastanon is a potent 4-compound injectable blend by SYN Pharma that combines fast and long-acting testosterone esters with powerful anabolic support from Nandrolone Phenylpropionate (NPP). Designed for lean bulking, strength, and performance cycles, this blend offers synergistic effects across all included compounds for rapid gains and balanced hormonal support.

Each 10 ml vial delivers 300 mg/ml, featuring a fusion of testosterone phenylpropionate, testosterone isocaproate, testosterone undecanoate, and fast-acting NPP. The combination allows for strong anabolic action with enhanced endurance, recovery, and joint support from the nandrolone component.

Compound Breakdown (Per ml)

• Testosterone Phenylpropionate – 50 mg
• Testosterone Isocaproate – 50 mg
• Testosterone Undecanoate – 100 mg
• Nandrolone Phenylpropionate (NPP) – 100 mg

Benefits of Durastanon

• Promotes lean muscle mass and strength
• Supports joint health and recovery with NPP
• Combines fast-acting and long-acting testosterone esters
• Ideal for off-season or recomposition phases

Product Details

• Concentration: 300 mg/ml
• Volume: 10 ml per vial
• Total Content: 3000 mg per bottle
• Injection Frequency: Every other day recommended

Dosage and Administration

Durastanon is typically dosed at 300 to 600 mg per week, split into two or three injections weekly due to the short esters involved. The presence of both fast and slow esters allows for an effective blend that sustains testosterone levels and delivers fast anabolic effects. Standard cycle duration is 8 to 10 weeks.

10-Week Durastanon Cycle Example

Common Questions About Durastanon

What type of user is Durastanon best suited for?

Durastanon is ideal for intermediate to advanced users seeking lean mass and strength with hormonal support and reduced joint discomfort. It combines testosterone esters for steady hormone levels with NPP for tissue repair and anti-inflammatory benefits.

Do I need an aromatase inhibitor?

Yes. Durastanon contains multiple testosterone esters, all of which can aromatize into estrogen. A mild AI like Aromasin or Arimidex is recommended throughout the cycle.

Is post-cycle therapy required?

Yes. A complete PCT should follow the cycle, typically starting 10–14 days after the last injection. Clomid, Nolvadex, and HCG may be included depending on cycle intensity.

Can Durastanon be used for cutting?

While primarily designed for lean bulking or strength, Durastanon can be used in cutting phases when stacked with dry compounds like Winstrol or Masteron. Its joint support via NPP makes it valuable during calorie deficits.