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MK-677 MK-2866 Research- 50 tablets MK-677
Research use only Laboratory research materials

Royal Peptides products are offered exclusively for laboratory research, analytical and scientific applications. Not for human or veterinary use.

01Research product information

Royal Peptides supplies compounds intended for controlled laboratory research and analytical applications.

  • For research and analytical use only
  • Not intended for human consumption or administration
  • Not intended for veterinary use
  • Not represented as a drug, medicine or therapeutic product
  • Laboratory researchers are responsible for appropriate protocols and controls

Research onlyLaboratory materialAnalytical use

02Lyophilized product format

Where applicable, Royal Peptides research materials are supplied in lyophilized form. Lyophilization is a freeze-drying process used to remove moisture from material under controlled conditions.

  • Material appearance may differ between compounds and production lots
  • Lyophilized material may appear as a cake, film or fragmented material
  • The quantity of visible material may appear small relative to vial size
  • Visual appearance alone does not establish identity or purity
03Storage & laboratory handling

Storage requirements may vary by compound, formulation and production lot. Refer to the product label and available product-specific documentation.

  • Protect research materials from excessive heat
  • Limit unnecessary exposure to direct light and moisture
  • Keep containers securely closed when stored
  • Follow product-specific temperature requirements when provided
  • Use appropriate laboratory contamination-control procedures
04Packaging & quality documentation

Packaging components may vary slightly between production lots. This can include vial closures, cap styles, label positioning and external packaging.

  • Check the product label and lot identifier before laboratory use
  • Inspect the vial and closure for visible shipping damage
  • Packaging design may differ between batches
  • Lot-specific analytical documentation may be available in our COA library

View COA library →

Oral Research In stock

MK-677 / MK-2866 Research- 50 tablets

Price range: $85.00 through $110.00
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Please review before orderingImportant product notice
10-vial kits — vials are not individually labeled
10-vial research kits are supplied without individual vial labels. Product and batch identification are provided with the kit packaging.
Reconstitution materials
For reconstitution-related research, use Royal Peptides® Reconstitution Solution ↗ or a genuine manufacturer-sealed Hospira® / Pfizer® product where applicable.
Support notice
Support may be limited when unverified third-party materials are used.
Third-party testedBatch COA on file
Same-day shippingOn in-stock orders
Discreet & securePlain packaging

Research noticeFor laboratory and research purposes only. Not intended for human consumption, diagnostic or therapeutic use, or administration to humans or animals.

MK-677 (Ibutamoren) / Ostarine (MK-2866)
🔬 For Laboratory Research Use Only

MK-677 and Ostarine are investigational compounds studied for their potential to enhance muscle development, recovery, metabolism, and body composition regulation. These compounds are widely used in preclinical models evaluating anabolic activity, hormone signaling, and metabolic optimization.


Key Research Benefits

✅ Increases Growth Hormone Levels
Promotes muscle growth, recovery, and strength by supporting natural GH/IGF-1 levels.

✅ Promotes Lean Muscle Growth
Enhances protein synthesis for increased lean muscle mass without bloating or water retention.

✅ Supports Strength & Endurance
Improves muscle fiber strength and overall physical performance in test models.

✅ Enhances Recovery
Reduces muscle soreness and accelerates tissue repair.

✅ Improves Sleep Quality
May support deeper, more restful sleep critical for recovery and hormone balance.

✅ Preserves Muscle During Fat Loss
Maintains lean mass during calorie-restricted research scenarios.

✅ Promotes Fat Loss
Boosts metabolic efficiency to support fat reduction without sacrificing muscle.

✅ Strengthens Bones & Joints
Enhances bone mineral density and joint health in musculoskeletal models.

✅ Boosts Skin & Hair Health
Supports collagen production for healthier skin, hair, and nails.

✅ Increases Energy & Vitality
Observed to improve mood, vitality, and physical readiness.

✅ Non-Hormonal Alternative
Does not aromatize or convert to DHT—offering a cleaner research profile.

✅ Versatile Use
Ideal for both bulking and cutting protocols in experimental environments.

✅ Suitable for Male & Female Models
Used in a wide range of research subjects due to its mild yet effective profile.


⚠️ For research purposes only. Not intended for human consumption or veterinary use.