MKM Biolabs at a glance
- Confidence score
- 75/100 · High
- Products tracked
- 27 across 18 peptides
- Price level
- 27% below the UK market median
- Testing evidence
- 9 certificates on file
- Verified store
- ✓ Verified owner
- Delivery
- 2-4 Days · £4.99 shipping, free over £100
- Last checked
- 23 Oct 2026
PeptideSupermarket® currently tracks 27 products from MKM Biolabs across 18 peptides. Its listed prices per mg are 27% below the UK market median, across 27 listings we could compare. The cheapest listing we track is £18.99. PeptideSupermarket® last read its listings on 23 Oct 2026.
Products
27 available · Prices from £18.99
Retatrutide 20-40 mg - Research Peptide - 20 mg pen
Retatrutide 20-40 mg - Research Peptide - 30 mg pen
Retatrutide 20-40 mg - Research Peptide - 40 mg pen
Tirzepatide 60 mg - Research Peptide - 60 mg pen
Confidence Score
75/100 · High Confidence
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Listed on PeptideSupermarket®
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MKM Biolabs review: what we found
Last checked 23 Oct 2026
What PeptideSupermarket® checked
Observed by our checks or taken from public records
- We read 27 listings across 18 peptides from its website. Catalogue below · 23 Oct 2026
- Its comparable prices per mg are 27% below the UK market median (27 listings compared). Price comparison · 23 Oct 2026
- Verified owner: the store claimed this profile and proved to PeptideSupermarket® that it controls mkmbiolabs.com. Domain verification · 22 Aug 2026
- 9 products have a certificate of analysis on file that we linked to the listing. Certificates
- Business details were confirmed in our confidence review. Confidence review
- Contact details were confirmed in our confidence review. Confidence review
- Rated 5.0/5 from 1 review on peptidereview.co.uk. peptidereview.co.uk · 15 Nov 2026
What the store says
The store's own statements, not checked by us
- It states its products are independently lab tested. Store listing
- Delivery takes 2-4 Days, with £4.99 shipping, free over £100. Shipping terms
- Accepts Open Banking and Bank Transfer. Checkout
- Also lists: Next Day Delivery, Shipped From UK, Secure Payments, Discreet Packaging, Customer Support, Returns Policy and PeptideReview.co.uk Verified. Store listing
Not yet known
Gaps in the record, not faults
- Our full confidence review has not been carried out yet.
PeptideSupermarket® has not bought from or tested this store's products. with evidence.
How its prices compare
We compared 27 of its 27 listings with the median price per mg across the other UK stores that list the same peptide (21 to 242 stores per product).
Taken together, its typical listing sits 27% below the UK market median. Behind that: 26 products priced below most stores, 0 within 5% of the median, and 1 priced above most stores.
Priced below most stores (26)
| Product | Price | Per mg | Vs market median | Stores compared |
|---|---|---|---|---|
| Tirzepatide 60mg | £92.99 | £1.55/mg | 52% below | 90 |
| Retatrutide 40mg | £85.99 | £2.15/mg | 51% below | 165 |
| Mots-C 40mg | £46.99 | £1.17/mg | 49% below | 223 |
| Retatrutide 30mg | £69.99 | £2.33/mg | 47% below | 165 |
| Retatrutide 20mg | £49.99 | £2.50/mg | 43% below | 165 |
| Retatrutide 20-40 mg - Research Peptide - 40 mg pen | £102.99 | £2.57/mg | 41% below | 165 |
And 20 more in the full catalogue above.
Priced above most stores (1)
| Product | Price | Per mg | Vs market median | Stores compared |
|---|---|---|---|---|
| Semaglutide 10 mg - Research Peptide - 10 mg pen | £54.99 | £5.50/mg | 41% above | 57 |
Price per mg lets different sizes be compared. A higher price can reflect a smaller size, included shipping or testing the store pays for; each peptide's price page shows every store side by side. Prices include any automatic discount code and are as the store listed them when we last checked.
Pros and things to consider
Pros
Typically 27% below the UK market median per mg
27 products across 18 peptides
Verified owner: the store proved it controls its website
Certificates of analysis on file for 9 products
High Confidence score (75/100)
Rated 5.0/5 by 1 customer
Free shipping over £100
States it has a returns policy
Things to consider
No card payment option; other methods may not be reversible
From PeptideSupermarket®'s own checks of the supplier's website and public records. .
