Drostanolone Propionate 50 mg/ml
Testosterone Propionate 50 mg/ml
Trenbolone Acetate 50 mg/ml
PROMASTREN 150 10ml VIAL – SIS LABS
Promastren 150 – cutting steroid mix of: Drostanolone Propionate, Trenbolone Acetate, Testosterone Propionate.
Introducing Promastren 150 by SIS Labs: The Ultimate Blend for Superior Muscle Growth and Strength
Promastren 150 by SIS Labs is a powerful injectable steroid blend designed to maximize muscle growth, enhance strength, and improve overall athletic performance. With a potent combination of Drostanolone Propionate, Testosterone Propionate, and Trenbolone Acetate, Promastren 150 offers a comprehensive solution for serious athletes and bodybuilders aiming to achieve significant gains and peak physical condition.
Key Features:
- Powerful Blend of Active Substances:
- Drostanolone Propionate: Known for its ability to promote muscle hardness, enhance vascularity, and support fat loss.
- Testosterone Propionate: Boosts muscle mass, strength, and endurance while improving recovery times.
- Trenbolone Acetate: Enhances muscle growth, increases nitrogen retention, and promotes protein synthesis.
- Manufactured by SIS Labs:
- SIS Labs is a reputable pharmaceutical company recognized for its commitment to producing high-quality performance-enhancing products with strict adherence to industry standards.
- High Concentration Formula:
- Each 10 mL vial of Promastren 150 contains a potent concentration of 150 mg/mL, ensuring optimal dosage for effective results.
- Muscle Growth and Definition:
- Promastren 150 accelerates muscle growth, enhances muscle hardness, and promotes a lean and defined physique.
- Enhanced Athletic Performance:
- Ideal for athletes and bodybuilders seeking to improve strength, endurance, and overall performance during intense training cycles.
Benefits:
- Rapid Muscle Development: The synergistic blend of active ingredients in Promastren 150 promotes rapid muscle gains and increased muscle mass.
- Improved Strength and Power: Enhances strength levels, allowing users to lift heavier weights and perform more intense workouts.
- Enhanced Recovery: Supports faster recovery between workouts, reducing fatigue and muscle soreness.
Indications:
Promastren 150 is recommended for experienced athletes and bodybuilders looking to enhance muscle growth, strength, and physical performance. It should only be used under the supervision of a qualified healthcare professional and in compliance with relevant regulations.
Unleash Your Potential with Promastren 150 by SIS Labs:
With Promastren 150, athletes can expect exceptional muscle gains, enhanced strength, and improved performance capabilities. Trust in the potency and reliability of SIS Labs to take your training and physique to the next level with Promastren 150.










Mark Stevens –
This product is outstanding for those seeking a strong, defined look. Promastren 150 gives that solid, granite-like muscle feel without the usual side effects of heavy aromatizing compounds. My strength went up, body fat dropped, and energy stayed high throughout. I can easily say this is one of the most effective and clean blends SIS Labs has put out.
Brandon Cole –
Promastren 150 delivers consistent strength increases, solid pumps, and rapid recovery. My workouts feel sharper and more explosive, and I’ve maintained a lean, tight physique throughout. There’s no excess water weight, and the endurance boost is noticeable after just the first week. SIS Labs has definitely produced a high-quality, dependable compound here.
Adam Lewis –
Promastren 150 is now my go-to for pre-competition prep. The low water retention makes muscles pop with definition while maintaining solid fullness. I’ve been running it at moderate doses and have seen clear improvements in hardness and vascularity. The quality from SIS Labs is top-tier — smooth injections, consistent potency, and dependable results every time.
JR_CutAndPower –
I’ve used a lot of products over the years, but Promastren 150 really stands out. It provides an incredibly dry, vascular look with steady energy and endurance during training. I also noticed faster recovery times and zero bloating. SIS Labs did an amazing job with the formulation — it’s potent but clean, and the results speak for themselves.
RM_StrengthBuilt –
Promastren 150 from SIS Labs has given me some of the most noticeable results I’ve seen in years. Within just a few weeks, I started noticing harder, denser muscle tone and significant increases in strength. The blend of drostanolone, testosterone, and trenbolone feels perfectly balanced — strong effects with minimal water retention. Excellent choice for anyone serious about lean bulking or cutting.
Fox shopper –
Promastren kept me dry, tight, and vascular all the way through peak week. No bloating, no estrogen sides—just clean, hard muscle and enhanced definition. The fast-acting esters made it easy to time perfectly around my prep schedule. Absolutely essential for anyone aiming to step on stage looking sharp.
aJax –
Promastren 150 has been a standout in my lean bulking and recomp phases. The mix of fast-acting esters delivers hard, dry muscle gains without any water retention. Strength and vascularity improved within the first couple of weeks, and there was zero estrogen-related side effect. If you’re aiming for a clean, aesthetic look, Promastren 150 is one of the best blends out there.
Valerie Romero –
promastren 150 really impressed me. I noticed a solid increase in muscle mass and overall strength after just a few weeks. It gave me more energy during workouts and helped speed up recovery. The product feels high-quality and trustworthy, with no harsh side effects. Shipping was fast and hassle-free. Highly recommend for anyone serious about muscle building!
Beth Jer-don –
I’ve tried several products, but PROMASTREN 150 really stands out. It boosted my strength and endurance noticeably, and I felt more focused during workouts. Recovery time improved, and muscle definition became more visible. The quality from SIS Labs is top-notch, and the product was delivered quickly. Definitely a must-try for anyone looking to take their training to the next level!
kk –
I experienced noticeable strength and muscle gains within just a few weeks. It gave me great energy during workouts and helped with recovery. The formula feels clean, and I didn’t experience any unwanted side effects. Shipping was fast, and the product arrived well-packaged. Highly recommend PROMASTREN 150 for anyone serious about their fitness goals!