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Metabolic Research
MK-677 (Ibutamoren)
528.7 g/mol
MK677 is a GMP capsule research product with 10MG per capsule and 60 capsules per bottle. It is made for lab studies of growth hormone secretagogue pathways and ghrelin receptor signaling. Labs also use it to study IGF-1-linked models, metabolic regulation, and endocrine pathway activity.
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Your purchasing batch
MK01
Certificate on record · 3 lots published
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Per-batch COA access
Every order ships with certificate access for its lot
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Verified test results
Every batch, independently verified.
Each batch is analyzed by an independent third-party laboratory before release. The lots below were tested by Chromate and Freedom Diagnostics. Below is the report for lot MK01, summarized from the certificate the lab published.
FREPASS
Freedom Diagnostics
Independent third-party laboratory
Lot
MK01
Tested
Jul 30, 2026
Independent third-party lab3 lots on record
View the signed certificate →
Certificate results✓ 2 passed
Appearance
Per certificate
White Capsules
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Identity
HPLC
MK-677
PASS
Every batch on record
Every lot we have published for this compound, grouped by the lab that tested it, newest first. Open any certificate below, exactly as the lab released it.
Chromate2 certificates
Freedom Diagnostics1 certificate
Side by side
How Disguised compares.
Disguised
Typical supplier
Per-batch third-party COA
Yes
Rarely provided
Independent third-party testing
Yes
Inconsistent
HPLC purity verified
Yes
Often unverified
Made & tested in the USA
Yes
Often overseas
Discreet, tracked shipping
Yes
Varies
Molecular Profile
What is MK677 (Ibutamoren)?
Molecular FormulaC₂₇H₃₆N₄O₅S
Molecular Weight528.7g/mol
Storage Requirements
Stability information.
Keep sealedProtect from lightAvoid humidity
Ships
What ships
Ships as a sealed container of capsules. Depending on the batch, that is a sealed plastic bottle, a sealed glass bottle or a professional-grade resealable pouch.
15–25°C
Sealed capsules, as shipped
Store at room temperature in the original sealed container, away from moisture and direct light.
Peer-reviewed literature
The research behind this compound, cited in full.
Every reference below is a published, peer-reviewed record, linked to its PubMed entry. Provided for educational reference only - not product claims.
01Clinica chimica acta; international journal of clinical chemistry · 2026Knowing the minimal detectable dose can facilitate the interpretation of a hair test result: II. Case example with ibutamoren (MK-677), a growth hormone secretagogueKintz P, et al.02The Journal of clinical endocrinology and metabolism · 1998MK-677, an orally active growth hormone secretagogue, reverses diet-induced catabolismMurphy MG, et al.03BMJ case reports · 2025Hepatotoxicity induced by MK-677Cobani E, et al.04Experimental physiology · 2022LGD-4033 and MK-677 use impacts body composition, circulating biomarkers, and skeletal muscle androgenic hormone and receptor content: A case reportCardaci TD, et al.
Important research notice
Not for human, veterinary, or food use. This product is sold exclusively for laboratory research purposes. It is not intended to diagnose, treat, cure, or prevent any disease, and has not been evaluated by the FDA.
All referenced publications and registries are sourced from peer-reviewed journals and official registries. They are provided for educational reference only and are not product claims.
By purchasing, you confirm you are a qualified researcher and will handle this product in accordance with all applicable laws and regulations.
Ready when you are
Nothing ships without paperwork. Every lot is on record.
The lot on this page links to the signed certificate for that batch.
3Lots on record
2Independent labs
