Sustalab-250 is an injectable anabolic steroid which comes in 10 mL Vials and contains 250 mg of Testosterone Propionate, Testosterone Phenylpropionate, Testosterone Isocaproate, Testosterone Decanoate, it is an original brand product of 7Lab Pharma. For intramuscular injections. An excellent product for bulking cycles.


Sustalab-250, offered by 7Lab Pharma, combines various testosterone esters into a single formulation providing 250 mg/ml in each 10 ml vial. This blend is designed to facilitate both immediate and prolonged testosterone release, catering to athletes and bodybuilders seeking comprehensive hormonal support. This review delves into user experiences to gauge its overall effectiveness and safety.

Product Overview

Sustalab-250 integrates multiple testosterone esters to create a versatile anabolic steroid that offers both quick absorption and extended release. This combination helps maintain stable blood testosterone levels, which is ideal for achieving sustained muscle growth and performance enhancements without the need for frequent injections.

User Reviews

  • Tommy E. (Professional Bodybuilder) “I’ve been on Sustalab-250 for the past eight months and have noticed substantial gains in both size and strength. The unique blend works perfectly for maintaining steady levels throughout my cycle, reducing the peaks and troughs that I’ve experienced with other products.”
  • Lisa K. (Amateur Powerlifter) “Switching to Sustalab-250 has been a game changer for my training and competition preparation. The progressive release of testosterone supports my recovery and muscle endurance, allowing me to train harder and more frequently.”
  • Jordan M. (Gym Enthusiast) “My experience with Sustalab-250 has been incredibly positive. I’ve seen noticeable improvements in my muscle mass and overall physical performance. The injection once a week regimen is convenient and effective, making it easier to stick to my fitness goals.”


The effectiveness of Sustalab-250 is particularly evident in its ability to promote consistent anabolic activity, thanks to its blend of fast-acting and long-lasting esters. Users typically report improved muscle gains, enhanced stamina, and better overall physical conditioning.

Usage Guidelines

Sustalab-250 is generally administered once a week, which suffices due to its mixed ester content that includes both short and long-acting forms. Dosages can vary based on individual fitness goals and prior experience with steroids, typically ranging from 250 mg to 500 mg per week.

Potential Side Effects

As with any testosterone product, Sustalab-250 can lead to side effects such as increased body hair, acne, mood swings, and changes in libido. More serious concerns might include hormonal imbalances and cardiovascular issues, underscoring the importance of medical supervision.


Sustalab-250 by 7Lab Pharma is a robust and flexible option for individuals looking to enhance their muscle growth and performance through a controlled release testosterone supplement. User testimonials affirm its utility and manageability, marking it as a preferred choice among diverse user groups. Responsible usage, ideally under the guidance of a healthcare professional, is recommended to maximize benefits and minimize potential risks.

Jeffrey Compo

Jeffrey Compo stands out as a leading authority in the field of injectable anabolic steroids and peptides. With a PhD in Pharmacology, Jeffrey combines his scientific expertise with practical experience to enhance athletic performance safely and effectively. As a prolific author and meticulous reviewer in the steroid community, he contributes significantly to both academic and practical understanding of performance enhancements.