Lab Sarms
Advanced Muscle Stack – LGD-4033, RAD-140, Ostarine, YK-11 & MK-677 – Muscle Growth & Strength Research
Advanced Muscle Stack – LGD-4033, RAD-140, Ostarine, YK-11 & MK-677 – Muscle Growth & Strength Research
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Advanced Muscle Stack – Lab-Grade Combination of LGD-4033, RAD-140, Ostarine, YK-11 & MK-677 for Maximum Muscle Growth and Performance Research
The Advanced Muscle Stack is designed for researchers seeking a potent, high-level combination for lean muscle development, strength, and recovery. Each capsule contains:
- 25mg LGD-4033 (Ligandrol)
- 25mg RAD-140 (Testolone)
- 25mg Ostarine (MK-2866)
- 25mg YK-11
- 25mg MK-677 (Ibutamoren)
Researchers use this stack to investigate:
- Muscle Growth & Hypertrophy: LGD-4033, RAD-140, and YK-11 support studies into lean mass gains and anabolic processes.
- Strength & Performance: RAD-140 and LGD-4033 help research improvements in power output and strength.
- Recovery & Growth Hormone Support: MK-677 may assist recovery and stimulate growth hormone for enhanced muscle research.
- Lean Muscle Preservation: Ostarine helps maintain muscle tissue while optimizing body composition.
This stack can also be complemented with additional SARMs such as Stenabolic (SR9009), S-23, or S4 (Andarine) to explore endurance, advanced hypertrophy, or cutting protocols.
For further options, see our Muscle Build Collection and Buy SARMs Collection.
Key Research Benefits
- High-Potency Muscle Growth Research: Combines five potent compounds for maximum lean mass and strength studies.
- Enhanced Strength & Performance: Supports investigation into power, stamina, and endurance.
- Recovery Support: MK-677 may assist with muscle repair and growth hormone-related research.
- Lean Muscle Preservation: Ostarine and YK-11 help maintain muscle while studying body composition.
- Stack Expansion: Compatible with S-23, S4, or Stenabolic for additional research outcomes.
Ingredients
- LGD-4033 (Ligandrol) – 25mg per capsule
- RAD-140 (Testolone) – 25mg per capsule
- Ostarine (MK-2866) – 25mg per capsule
- YK-11 – 25mg per capsule
- MK-677 (Ibutamoren) – 25mg per capsule
- Capsule Shells – Cellulose and water
- No Fillers or Additives – Pure lab-grade compounds
Recommended Post Cycle Therapy (PCT)
Due to the potency of this stack, Post Cycle Therapy (PCT) is strongly recommended. Use SARMs Cycle Support to help restore hormonal balance and support recovery following research cycles.
Why Choose Lab SARMs
- Trusted UK-Based Supplier – High-quality lab-grade compounds
- Fast, Secure Shipping – Royal Mail Tracked and secure delivery options
- Lab-Grade Verified – All compounds tested for purity and consistency
- Multiple Secure Payment Options – Pay by Bank, card, and more
Important Disclaimer
All products, including the Advanced Muscle Stack, are strictly for laboratory research purposes only. They are not intended for human consumption and must be handled according to local regulations.
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Top-tier stack. My body composition has changed a lot in a short time — leaner, fuller, stronger. Shipping was fast and the whole process was smooth from start to finish.
Really impressed with how clean and effective this stack is. Gained size and strength without feeling bloated or sluggish. Discreet shipping and fast turnaround.
Amazing product stack. Within weeks I could see more muscle hardness and better definition. Delivery was fast, no issues with payment, and everything felt professional.
I’ve run a few stacks before but this one takes the cake. Strength gains came fast, recovery improved, and I’ve added serious lean mass. Super fast delivery as well.
Unreal results so far. My muscles are denser, harder, and I feel more powerful every session. Shipping was quick and packaging was 100% discreet.