Best MK-677 Sources
4 US vendors carry MK-677. Ordered below by the lab-rule score of each vendor’s certificate for MK-677, then by the vendor’s published score; prices are per milligram. An orally active, non-peptide small molecule (ibutamoren) in the ghrelin-receptor agonist class. Sold for laboratory research use only.
- Vendors
- 4
Vendors
- With COAs
- 2
With COAs
- Best $/mg
- $0.05
Best $/mg
Every MK-677 source, by certificate
Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. How the lab rule scores a certificate. For the market-wide picture, see our 2026 study of peptide vendor testing.
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Vendor score 5.60/10Fair
- Price per mg
- Gated
- Best price
- —
Vendor score 5.39/10Weak
- Price per mg
- —
- Best price
- —
Vendor score 6.97/10Fair
- Price per mg
- Gated
- Best price
- —
Vendor score 4.45/10Weak
- Price per mg
- $0.05
- Best price
- $74.00 / 1500mg
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Affiliate partners carrying MK-677
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Highest-placed partner
The highest-placed affiliate partner in the table above for MK-677: certificate 8.0/10, vendor score 5.39/10.
Testing gate applies: Third-party testing not established.
Swiss Chems discount code →Largest partner reader code
The largest reader discount among our affiliate partners carrying MK-677: 15% off with code PSR.
Limitless Biotech discount code →MK-677: Frequently Asked Questions
Who has the best MK-677?
In our 2026 audit, Peptide Pro is listed first for MK-677: its certificate for MK-677 scores 8.5/10 on our lab rule, and its published vendor score is 5.60/10. The full ordered table is on this page.
What is the cheapest MK-677 per mg?
The lowest recorded price per milligram for MK-677 in our audit is the "Best $/mg" figure at the top of this page, and every carrier's price per mg is in the table. Cheapest is not the same as best: the table is ordered by certificate and vendor score, not by price.
How do you rate MK-677 vendors?
Ordered by the lab-rule score of each vendor's certificate for this product (out of 10), then by the vendor's published score, then alphabetically. The certificate score is the same lab rule that builds each vendor's lab sub-score, applied to that vendor's certificate for MK-677; the vendor score is the published overall score. Price per mg is shown but does not change the order. See our methodology for the lab rule.