99%+ Purity
Guaranteed per batch
4.9 847 verified reviews
MK677 Capsules 12. · 5mg
Total Price
$860.47
Discounted Price
$653.95
Packs
5 packs
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Retail Price
$597.54
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Per vial: $42.58
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99%+ HPLC Purity — Independently verified by accredited US laboratory -
Endotoxin-Screened — LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing — USA facility, ISO 9001:2015
-
Lyophilized for Stability — Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
4.9 847 verified reviews
MK677 Capsules 12. · 5mg
Total Price
$860.47
Discounted Price
$653.95
Packs
5 packs
You Save
$206.52
24% OFF
Select Packs
Bulk pricing applied
📈 Upgrade to 10 vials and save an extra vs. buying 5 — nearly 3 free vials.
Select Purchase Option:
-
99%+ HPLC Purity —
Independently verified by accredited US laboratory
-
Endotoxin-Screened —
LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing —
USA facility, ISO 9001:2015
-
Lyophilized for Stability —
Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
60 Capsules
MK-677 Capsules 12.5mg are supplied strictly for laboratory research use only. This material is intended for analytical and controlled research applications. It is not approved or intended for human or animal use, ingestion, dosing, or therapy.
MK-677 (Ibutamoren) Capsules
Research-Grade Growth Hormone Secretagogue
For Laboratory & Development Use Only
MK-677 (Ibutamoren): A Selective Ghrelin Receptor Agonist
MK-677 Capsules 12.5mg are supplied strictly for laboratory research use only. This material is intended for analytical and controlled research applications. It is not approved or intended for human or animal use, ingestion, dosing, or therapy.
Important:
This compound is supplied strictly for laboratory research, analytical testing, and development purposes.
It is not approved for human consumption.
Research Context
MK-677 may be used in laboratory settings to study receptor interaction, signaling pathways, and experimental assay responses. Any references to biological activity are provided for research context only and must not be interpreted as claims of safety, efficacy, or intended human use.
Why Researchers Study MK-677
MK-677 continues to be investigated in academic and laboratory settings for its role in:
- GH/IGF-1 axis modulation
- Age-related endocrine decline models
- Sleep architecture research
- Lean mass retention studies
- Bone density and metabolic pathway analysis
Its unique non-injectable profile differentiates it from peptide-based secretagogues and recombinant HGH in experimental frameworks.
Scientific Characteristics
- Compound Name: Ibutamoren Mesylate
- Molecular Classification: Growth Hormone Secretagogue
- Target Receptor: GHS-R1a (Ghrelin Receptor)
- Mechanism: Endogenous GH stimulation
- Research Interest Areas: Endocrinology, Metabolism, Longevity Science
Research Findings
Published literature indicates:
- Sustained GH elevation
- Significant IGF-1 increase within days of administration
- Extended pharmacodynamic profile compared to injectable GH secretagogues
For full study references, review NIH-indexed publications on MK-677 / Ibutamoren in endocrine research.
Quality & Compliance Standards
Licensed Peptides supplies MK-677 under strict quality protocols:
- Manufactured in GMP-aligned facilities
- Third-party purity testing
- Batch-level verification
- Certificate of Analysis (COA) available
- Secure, compliant fulfillment
All products are intended exclusively for laboratory research and development use.
Regulatory & Safety Notice
This product:
- Has not been evaluated by the FDA
- Is not intended to diagnose, treat, cure, or prevent any disease
- Is not a dietary supplement
- Is not for human consumption
- Is not a compounding pharmacy product
- Is supplied as a chemical research material
Licensed Peptides operates as a chemical supplier and does not provide medical advice.
Who We Serve
Licensed Peptides partners with:
- Research laboratories
- Academic institutions
- Biotechnology developers
- Analytical testing facilities
- Pharmaceutical R&D teams
If you are sourcing MK-677 for research, Licensed Peptides provides consistent quality and documented compliance.
Order MK-677 – Research Grade
High-purity MK-677 capsules formulated for laboratory handling and research protocols.
✔ Verified purity
✔ Batch-tested
✔ COA provided
✔ Discreet shipping
Request Batch Documentation or Place Research Order
ALL ARTICLES AND PRODUCT INFORMATION PROVIDED ON THIS WEBSITE ARE FOR INFORMATIONAL AND EDUCATIONAL PURPOSES ONLY.
The products available on this website are intended solely for in-vitro research purposes (Latin: “in glass”), meaning they are used in experiments conducted outside a living organism. These products are not medicines or drugs, have not been evaluated or approved by the U.S. Food and Drug Administration (FDA), and are not intended to diagnose, treat, cure, or prevent any disease or medical condition. Any administration to humans or animals, whether by ingestion, injection, or other means, is strictly prohibited by law.
Research
Our peptides are produced exclusively for laboratory and scientific research purposes.
Licensed Peptides™ products are developed using industry-standard synthesis and purification protocols, making them suitable for in vitro research, analytical testing, and experimental models.
Research-Grade Standards
- Synthesized via Solid Phase Peptide Synthesis (SPPS)
- Purified using advanced HPLC methods
- Verified through analytical quality control processes
- Screened for heavy metals and endotoxins
Consistency Across Batches
Strict process controls ensure reproducibility, allowing researchers to work with confidence across experiments.
Applications
Our peptides are commonly used in research involving:
- Cellular signaling pathways
- Tissue remodeling and repair mechanisms
- Extracellular matrix regulation
- Molecular biology and biochemical studies
Important Notice
All products are intended for research use only and are not for human or animal consumption, therapeutic use, or clinical application.
Why Buy From Us
At Licensed Peptides™, quality isn’t a claim. it’s a controlled, repeatable process.
Every peptide we produce follows a strict, pharma-grade workflow designed to ensure purity, stability, and consistency from synthesis to delivery.
What sets us apart:
ISO-Certified Cleanroom Manufacturing
All peptides are synthesized in sterile, controlled environments to eliminate contamination risk and ensure batch consistency.
>99% Verified Purity (HPLC Tested)
We use advanced High-Performance Liquid Chromatography (HPLC) to separate and verify peptide purity with precision.
Comprehensive Safety Testing
Each batch undergoes heavy metal and endotoxin screening to ensure it is free from hidden contaminants.
Pharma-Grade Raw Materials
We start with rigorously tested amino acids and reagents, ensuring integrity at the molecular level.
Lyophilized for Stability
Freeze-dried peptides maintain long-term stability, potency, and reliability for research applications.
Nitrogen-Sealed Vials
Every vial is protected from oxygen and moisture, preserving structural integrity during storage and transit.
Built for Serious Research
From synthesis to delivery, every step is engineered to meet the expectations of professionals who require accuracy, consistency, and reliability.
Shipping
We understand that timing and product integrity are critical for research.
Same-Day Shipping (USA)
All in-stock orders placed before our daily cutoff are shipped the same day from within the United States.
Fast Domestic Delivery (1–3 Days)
We use expedited carriers to ensure your peptides arrive quickly and reliably nationwide.
Cold Chain Protection
Products are stored in industrial-grade freezers prior to shipment to maintain stability and purity.
Secure & Protective Packaging
Each order is carefully packed to protect against temperature fluctuations, moisture exposure, and physical damage during transit.
Real-Time Tracking
You’ll receive tracking information immediately upon shipment so you can monitor delivery progress.
Consistency You Can Rely On
No long international delays, no customs issues. Just fast, dependable delivery from a U.S.-based operation.
Additional information
| pack | 1 pack, 3 pack, 5 pack, 10 pack |
|---|
Storage:
Store sealed in original packaging in a cool, dry place away from light. Do not ingest, inject, reconstitute, or otherwise administer.
99%+ — Passes ≥99% 
Download Full COA / HPLC Report (PDF) 
99%+ Every Batch
Often Not Disclosed
