Kalpa Pharmaceuticals

SUSTAXYL 350 MG

ANDROGEN; ANABOLIC STEROID; ANDROGEN ESTER
ACTIVE SUBSTANCES:
- 42 MG TESTOSTERONE PROPIONATE
- 84 MG TESTOSTERONE PHENYLPROPIONATE
- 84 MG TESTOSTERONE ISOCAPROATE
- 140 MG TESTOSTERONE DECANOATE
MIXED FORM: 10 ML VIAL x 350 MG
ACTIVE HALF-LIFE: 7-8 DAYS
DOSAGE: MEN 350–700 MG/WEEK
ACNE: YES
WATER RETENTION: YES
HIGH BLOOD PRESSURE (HBP): PERHAPS
HEPATOTOXICITY: NO
AROMATIZATION: YES
MANUFACTURER: KALPA PHARMACEUTICALS
WARNING: High-concentration oil. Warm before use and inject slowly to minimize post-injection pain (PIP). Massage the area after administration.

60.00 USD

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SUSTAXYL 350 MG Detailed

Sustaxyl 350 – Multi-Ester Testosterone Blend by Kalpa Pharmaceuticals

What is Sustaxyl 350?

Sustaxyl 350 is a high-dosed injectable testosterone blend formulated by Kalpa Pharmaceuticals. Containing a precise mix of four testosterone esters, it delivers a multi-phase release profile, making it ideal for muscle-building, strength enhancement, and testosterone replacement.

Composition per mL

42 mg – Testosterone Propionate
84 mg – Testosterone Phenylpropionate
84 mg – Testosterone Isocaproate
140 mg – Testosterone Decanoate

Why Athletes Use Sustaxyl 350

Fast and sustained testosterone release
Supports lean mass, endurance, and recovery
Convenient dosing with fewer weekly injections

Suggested Dosage & Cycle

The typical dosage is 350–700 mg/week, injected 1–2 times per week. Sustaxyl 350 can be used as a base compound in both bulking and strength cycles. It stacks well with Anadroxyl, Trenboxyl Enanthate, and Stanoxyl Depot.

Side Effects & Estrogen Control

Due to aromatization, users may experience:

Water retention
Gynecomastia
Elevated blood pressure

To mitigate these effects, consider adding Arimixyl or other aromatase inhibitors.

PCT After Cycle

Proper post-cycle therapy (PCT) is crucial. Common options include Clomixyl or Nolvaxyl to restore natural testosterone production and avoid estrogen rebound.

Injection Tips for High-Dosed Oils

Sustaxyl 350 is high in concentration and may cause post-injection pain (PIP). To reduce this:

Warm the vial before injection
Inject slowly
Massage the injection site afterward

Trusted Source & Product Verification

Kalpa Pharmaceuticals ensures quality control and trackability. Each vial comes with a security code you can verify on their official verification page.

Compare with Other Testosterone Blends

Learn how Sustaxyl compares to other blends like Sustanon in our expert guide: Reliable Testosterone Suppliers.

Explore our Sustanon collection to find additional test blends.

Reviews & Community Feedback

Want to know what real users think? See verified reviews for this compound here: Sustaxyl 350 by Kalpa Pharma.

Shop More Kalpa Products

Visit our Kalpa Pharmaceuticals category to find more injectables and orals trusted by serious athletes.

FAQ

How often should I inject Sustaxyl 350?

Most users inject it 1–2 times per week to ensure stable testosterone levels due to its multi-ester composition.

What makes Sustaxyl 350 different from Sustanon 250?

Sustaxyl 350 delivers a higher total dose per mL and uses a similar ester mix to Sustanon, making it suitable for users needing stronger hormone support.

Can I use Sustaxyl 350 during cutting cycles?

While it's typically used for bulking, it can be used in cutting cycles with proper estrogen control to maintain testosterone levels and muscle mass.

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