High Purity MK677 and LGD4033 – Double Compound Formula

MK677 and LGD4033 product combines 2 widely referenced investigational compounds into a single, clearly dosed capsule format:

• 10mg MK-677 (Ibutamoren)
• 4.5mg LGD-4033 (Ligandrol)

Compound Overview

This product brings together 2 compounds that act through different biological mechanisms:

MK-677 (Ibutamoren)

has been widely studied for how it influences growth hormone signalling within the body. In controlled settings, it has been examined for its ability to:

• Increase measurable growth hormone (GH) and IGF-1 levels
• Support lean tissue development pathways
• Support fat metabolism signalling
• Support recovery-related hormonal activity
• Promote collagen-associated processes linked to skin and connective tissues
• Associated with better sleep quality in research settings
• Studied as an oral option instead of injectable GH
• Studied in relation to age-related hormone decline

LGD-4033 (Ligandrol)

LGD-4033 has been widely studied for its selective interaction with muscle and bone tissue:

• Targets muscle receptors for focused lean tissue support
• Studied for its role in lean mass and strength signalling
• Selectively interacts with muscle and bone tissue
• Supports structural muscle development pathways
• Explored for muscle retention during calorie-controlled phases
• Known for its precision receptor activity profile

Each of the 2 compounds operates through a separate receptor system, which is one reason they are often discussed together in scientific literature.

Mechanism Summary

• A compound examined for growth hormone pathway signalling
• A compound studied for selective androgen receptor interaction

Because these mechanisms differ, they are frequently analysed together when examining muscle-related and endocrine signalling systems in controlled environments.

Published scientific literature discussing MK-677, LGD-40433 and related signalling mechanisms can be accessed via the PubMed database.

Why Should You Choose Our MK677 and LGD4033 Combo?

• Third-party tested compounds with 99%+ purity, ensuring high quality and potency
• Excellent value at only £47.95 per 30-60 day supply
• Manufactured in a UK ISO 9001 certified facility under strict GMP quality controls
• Absolutely no ready-made imported capsules with zero quality control and over inflated prices
• Trusted by over 30,000 customers nationwide

Moreover we provide full transparency with up-to-date Certificates of Analysis available in the Data Sheet section so you know exactly what you’re getting.

Shipping & Packaging

• UK-based same day dispatch (if ordered before 4pm workdays)
• Fast and reliable 24hr trackable shipping
• Discreet and secure packaging

Further Reading

For additional educational context on the compounds included in this research formulation, the following articles may be of interest:

MK-677 and Sleep Quality: What Research Examines — A research-focused overview of how MK-677 appears in literature relating to hormonal rhythms and sleep modulation.

RAD-140 vs Testosterone: What Research Mechanisms Reveal — A comparison article exploring androgen receptor signalling mechanisms in controlled settings.

Customer Feedback

About our reviews

Customer reviews represent personal opinions and individual experiences. They should not be interpreted as scientific claims or advice. 

This product is sold for laboratory research purposes only and is not intended for human consumption. Any references within reviews to effects, outcomes, or experiences should not be interpreted as medical advice.