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Ultimate Mass Stack – MK-677, LGD-4033, RAD-140 & YK-11 Research Stack
Ultimate Mass Stack – MK-677, LGD-4033, RAD-140 & YK-11 Research Stack
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Ibutamoren, Ligandrol, Testolone & YK-11 Research Combination
The Ultimate Mass Stack is a four-compound research combination containing Ibutamoren (MK-677), Ligandrol (LGD-4033), RAD-140 (Testolone), and YK-11. Each compound is supplied in a clearly defined 25mg capsule format for structured multi-compound laboratory research.
The combination brings together selective androgen receptor modulators with compounds relevant to growth hormone, androgen receptor, and myogenic signalling research, providing applications for experimental models examining multiple biological pathways and compound interactions.
Why Choose the Ultimate Mass Stack?
The Ultimate Mass Stack combines four recognised investigational compounds with several distinct research characteristics.
LGD-4033 (Ligandrol) and RAD-140 (Testolone) are non-steroidal selective androgen receptor modulators (SARMs) investigated in research involving androgen receptor activity, receptor selectivity, and associated anabolic signalling pathways.
MK-677 (Ibutamoren) acts through a different mechanism as a growth hormone secretagogue and ghrelin receptor agonist, providing applications for research involving growth hormone and IGF-1 signalling.
YK-11 provides an additional androgen receptor research compound that has been investigated in preclinical models involving androgen signalling, myogenic differentiation, and follistatin-related pathways.
Together, these compounds provide applications for laboratory models examining interactions between androgen receptor, growth hormone, IGF-1, and myogenic signalling mechanisms.
Key Features
Four-Compound Research Stack
Combines MK-677, LGD-4033, RAD-140, and YK-11 within one structured multi-compound research package.
Two Selective Androgen Receptor Modulators
LGD-4033 (Ligandrol) and RAD-140 (Testolone) provide two investigational SARMs for research involving androgen receptor activity and associated signalling pathways.
MK-677 Ibutamoren – 25mg
MK-677 is an investigational growth hormone secretagogue and ghrelin receptor agonist studied in research involving GH, IGF-1, and associated endocrine pathways.
YK-11 – 25mg
YK-11 is an investigational androgen receptor compound referenced in preclinical research examining androgen signalling, myogenic differentiation, and follistatin-related pathways.
Multi-Pathway Research Applications
The combination provides applications for experimental models examining interactions between androgen receptor, growth hormone, IGF-1, and myogenic signalling pathways.
Product Details
- Product Name: Ultimate Mass Stack
- Ibutamoren (MK-677): 25mg per capsule
- Ligandrol (LGD-4033): 25mg per capsule
- RAD-140 (Testolone): 25mg per capsule
- YK-11: 25mg per capsule
- Included Compounds: 4
- Format: Capsule-based research stack
- Research Areas: Androgen receptor, GH, IGF-1 & myogenic signalling
- Category: Multi-Compound Research Stack
Ingredients
Ibutamoren (MK-677)
- Ibutamoren (MK-677) – 25mg per capsule
- Vegetarian capsule shell: Cellulose and purified water
Ligandrol (LGD-4033)
- Ligandrol (LGD-4033) – 25mg per capsule
- Vegetarian capsule shell: Cellulose and purified water
RAD-140 (Testolone)
- RAD-140 (Testolone) – 25mg per capsule
- Vegetarian capsule shell: Cellulose and purified water
YK-11
- YK-11 – 25mg per capsule
- Vegetarian capsule shell: Cellulose and purified water
No additional active ingredients.
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Why Choose MK-677 Shop
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- Verified lab-grade products, rigorously selected for research purposes
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Recommended Post Cycle Support (PCT)
When concluding a laboratory research phase, researchers frequently evaluate post-cycle protocols. Products such as SARMs PCT are often integrated into daily regimens to maintain equilibrium and support overall wellbeing.
Throughout an active experimental cycle, supportive agents like Cycle Support are routinely factored into structured protocols to promote a balanced methodology.
In scenarios where hormonal fluctuations or imbalances arise during documentation and study, researchers occasionally look to modulating compounds, such as Armistane, as part of their broader analytical frameworks.
Premium Stack Combinations
For premium research protocols, Transformation Stacks are frequently integrated into comprehensive experimental frameworks.
Commonly referenced SARM compounds in these setups include:
Commonly referenced Prohormone compounds in these setups include:
Commonly referenced Peptide compounds in these setups include:
Stacking Options
Browse through our SARMs collection, Peptides selection, and Prohormones range to access a broader selection of high-purity experimental compounds.
For more sophisticated investigations, our Transformation Stacks provide a comprehensive solution for organizing complex study parameters.
All products sold by MK677.Shop are intended strictly for laboratory research purposes and are not for human consumption.
As a supplier, we are committed to providing reliable service, verified compounds, and a trusted source for research professionals and laboratories.
holy Jesus what a product. I wont shop anywhere else again after trying this. 10/10
simply just cant believe the size ive packed on, all solid as well not water retention.