Sustabol 350

What is Sustabol 350?

Sustabol 350 is an injectable anabolic-androgenic steroid (AAS) blend containing four testosterone esters—Testosterone Decanoate (140 mg), Testosterone Phenylpropionate (84 mg), Testosterone Propionate (42 mg), and Testosterone Isocaproate (84 mg)—at 350 mg/ml in a 10 ml vial from British Dragon. Known as Sustanon, it's used in bodybuilding for muscle growth, strength, and performance enhancement. It has low hepatotoxicity but aromatizes, requiring estrogen management.

What Does Sustabol 350 Do?

Sustabol 350 enhances protein synthesis, nitrogen retention, and red blood cell production, leading to muscle hypertrophy, strength, and endurance. Its multi-ester blend ensures rapid onset and sustained testosterone release, promoting muscle fullness, energy, and fat loss. Users notice gains within weeks, though water retention may occur due to aromatization.

Is Sustabol 350 Safe?

Sustabol 350 can be safe when used responsibly under professional guidance, but it carries risks due to its aromatization and testosterone suppression. Potential side effects include gynecomastia, water retention, acne, and cardiovascular strain. Regular bloodwork to monitor estrogen, lipids, and testosterone levels is essential. It's not recommended for beginners, women (due to virilization risk), or those with cardiovascular or prostate issues without medical oversight.

How Long Does Sustabol 350 Stay in Your System?

Sustabol 350's esters have half-lives ranging from ~2 days (Propionate) to ~15 days (Decanoate), requiring injections every 3-7 days. It remains detectable in the body for up to 3 months, depending on dosage, metabolism, and testing methods. Bloodwork and professional guidance are advised for precise clearance timelines.

[](https://www.british-dragon.org/products-1180/sustabol-52319)

Mechanism of Action Sustabol 350

Sustabol 350's testosterone esters bind to androgen receptors (AR), promoting protein synthesis, nitrogen retention, and erythropoiesis for muscle growth, strength, and endurance. The blend of short, medium, and long-acting esters (Propionate, Phenylpropionate, Isocaproate, Decanoate) ensures rapid onset and prolonged effects. Its aromatization to estrogen may cause side effects like bloating if not managed. Users notice muscle fullness and strength within days to weeks. What doesn't happen: no significant liver toxicity, but estrogen and androgen control is critical.

How It Works & Key Benefits

Sustabol 350 excels for bodybuilders in bulking or cutting cycles, requiring a high-protein diet and intense training to maximize its anabolic potential.

• Promotes rapid muscle growth and strength.
• Enhances fat loss for a leaner physique.
• Boosts libido, energy, and workout performance.
• Improves recovery for consistent training.
• Delivers sustained testosterone effects with multi-ester blend.
• Stacks effectively for tailored physique goals.

Who It's For & Product Specifications

Best for intermediate to advanced bodybuilders seeking muscle growth and performance in bulking or cutting cycles; suitable for men. Not recommended for beginners, women (due to virilization risk), or those with cardiovascular or prostate issues.

Substance	Testosterone Decanoate (140 mg), Phenylpropionate (84 mg), Propionate (42 mg), Isocaproate (84 mg)
Concentration	350 mg/ml
Form	Injectable vial
Pack Size	10 ml
Half-life	2-15 days (ester-dependent)
Aromatization/Hepatic	High aromatization / Low hepatic
Primary Use	Muscle growth, strength, performance
Manufacturer	British Dragon
Brand	Sustanon

How to Take Sustabol 350

1. Dosage: Men: 350-700 mg/week (1-2 ml), split into 1-2 injections (e.g., Monday/Thursday). Start at 350 mg to assess tolerance. Women: Not recommended due to virilization risk.
2. Frequency: Weekly or twice weekly for stable blood levels.
3. Cycle length: 10-12 weeks for optimal results and safety.
4. Preparation/Monitoring tips: Use sterile syringes (3 ml, 22-25 gauge, 1-1.5 inch needle); rotate injection sites (glutes, quads); monitor estrogen and lipids via labs; maintain high-protein diet (2g/kg body weight); use Arimidex for estrogen control.
5. Results timeline: Muscle and strength gains in 1-2 weeks; peak results by 6-8 weeks.
6. PCT timing: Start 10-14 days after last injection; use tamoxifen (20-40 mg/day) or clomiphene (50-100 mg/day) for 4-6 weeks, guided by bloodwork.

Popular Stacks

Dianabol: Kickstarts rapid mass gains in bulking cycles.

Deca Durabolin: Enhances mass and joint support.

Arimidex: Controls estrogen to prevent bloating and gynecomastia.

Cycle Support: Supports lipid and cardiovascular health during cycles.

Comparisons & Alternatives

Sustabol 350 vs Testosterone Enanthate: Sustabol 350 offers varied release with multiple esters; Enanthate provides a single, longer-acting ester.

Sustabol 350 vs Testosterone Cypionate: Sustabol 350 has a broader release profile; Cypionate is similar to Enanthate with a slightly longer half-life.

Sustabol 350 vs Trenbolone: Sustabol 350 is more versatile with estrogenic risks; Trenbolone is stronger but harsher with progestogenic effects.

Side Effects & Risk Management

• Estrogenic: Bloating, gynecomastia—manage with Arimidex or Letrozole.
• Androgenic: Acne, hair loss—use Accutane for skin control.
• Cardiometabolic: Elevated BP, lipids—monitor labs, use omega-3s.
• Endocrine: Testosterone suppression—plan PCT with SERMs.
• Systemic: Aggression, injection site pain—manage mood, rotate sites.

Review labs with a professional where lawful to ensure authenticity and disciplined dosing for safety.

Post-Cycle Therapy (PCT)

Start PCT 10-14 days after last injection due to long esters; use tamoxifen (20-40 mg/day) or clomiphene (50-100 mg/day) for 4-6 weeks. Bloodwork guides HPTA recovery, ensuring sustained gains and hormonal balance.