Bulking Stack

Unlock your body’s full potential for size and strength. 

The Bulking Stack combines four powerful compounds designed to maximize muscle mass, support faster recovery, boost appetite, and enhance strength. Whether you’re aiming to break through growth plateaus or kick off a serious bulking cycle, this stack delivers everything your body needs to grow bigger, faster, and more efficiently.

Research Focus Areas

Anabolic Muscle Growth Activation 

YK-11 suppresses myostatin, a natural muscle-growth limiter, while RAD-140 and LGD-4033 directly bind to androgen receptors, boosting protein synthesis, muscle fiber growth, and strength output.

Growth Hormone Stimulation

MK-677 enhances the secretion of growth hormone and IGF-1, promoting rapid muscle hypertrophy, deeper recovery, and improved sleep. It also increases hunger—crucial for hitting daily calorie goals during a bulk.

Nutrient Partitioning Efficiency

RAD-140, LGD, and MK-677 improve nutrient shuttling, meaning more carbs and proteins are directed to muscle tissue, not fat storage—supporting lean mass development without excessive fat gain.

Performance and Recovery Enhancement

The synergistic action of these compounds supports longer training sessions, reduced downtime between workouts, and accelerated post-workout recovery.

Potential Observations in Research

• Body Composition Changes: Researchers have noted significant increases in lean muscle tissue alongside minor fat loss or stable fat levels – ideal for clean bulking phases.
• Appetite and Energy Elevation: MK-677 may increase appetite, making it easier to maintain a calorie surplus. Users also report deeper sleep and increased morning alertness due to improved growth hormone rhythms.
• Lipid Profile Shifts: Some test models show minor shifts in cholesterol levels, such as slight decreases in HDL or increases in LDL, though this varies and is typically dose-dependent.

Handling and Dosage Information

• YK-11: Take 10–20mg daily. If using 20mg, split the dose—half with breakfast, half with dinner.
• LGD-4033: Take 10–20mg once daily, after a meal.
• RAD-140: Take 20mg once daily, ideally after a major meal.
• MK-677: Take 10mg in the morning before breakfast and 10mg before bed.

This cycle can be run for 6–8 weeks, followed by post-cycle therapy (PCT) if necessary, depending on individual sensitivity and duration.

FAQ

What does the Bulking Stack actually do for my body? 

The Bulking Stack helps boost muscle growth, strength, appetite, and recovery. Each compound works together to support lean mass gain, deeper sleep, and quicker recovery—ideal for building serious size without adding much fat. It’s a powerful combo for efficient, clean bulking.

When will I start seeing results from the stack? 

Most users begin noticing increased appetite, better sleep, and strength gains within 1–2 weeks. Visible muscle growth and size changes typically appear by weeks 3–4 with consistent training, proper nutrition, and daily use. Full results peak around weeks 6–8 of the cycle.

Do I need to follow a special diet while using this stack? 

Yes, a calorie surplus with high-quality protein and carbs is essential. MK-677 boosts appetite, making eating easier. The stack also improves how your body uses nutrients, so clean eating supports more muscle gain and less fat accumulation—maximizing your results efficiently.

Is post-cycle therapy (PCT) necessary after this stack? 

Depending on your cycle length and personal response, PCT may be needed. Since YK11, LGD-4033, and RAD140 can mildly suppress testosterone, a short PCT can help rebalance hormones and maintain gains. It’s a smart step if you run the full 8-week cycle.

Can I take all four compounds at the same time? 

Yes, the stack is designed for daily combined use. Each compound has its own timing: take MK-677 morning and night, RAD140 and LGD-4033 after meals, and split YK11 doses. Together, they work synergistically to amplify muscle growth, recovery, and strength-building effects.