Product analysis · Reta Research

Retatrutide 50mg

50 mg per vial of Retatrutide, sold by Reta Research. No analytical report has been located for this listing. For laboratory research use only.

Testing transparency: 12/45

£135.00Reta Research

50 mgVial size

1Vials per pack

£135.00Price / vial

£2.70Price / mg

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We may earn a commission from qualifying purchases. This never affects our scores. Research-use product only - not for human or veterinary use.

The score, explained

Our scoring methodology

Testing & analytical evidence27/100

12 of 45 points

Value91/100

22.7 of 25 points

Product identity80/100

12 of 15 points

Supplier transparency100/100

10 of 10 points

Label & listing transparency100/100

5 of 5 points

Overall: 61.7/100 - Mixed. The score compares the documentation and characteristics of this research product - not whether a peptide is safe, effective or suitable for human use. Affiliate commission contributes no points.

Testing & evidence

Testing claimed

Evidence status: Testing claimed
Manufacturer statement: Supplied as a lyophilised powder across six vial sizes, every batch reaches ≥99% purity confirmed by HPLC, with a Certificate of Analysis available on request.
Laboratory: Not recorded
Certification body: Not recorded
Batch: Not recorded
Batch-specific report: Not established in this record
Report date: Not recorded
Evidence checked: 2026-09-20

Reta Research claims independent HPLC-tested COAs, and the COA page shows Janoshik batch reports with batch IDs, purity, and verification instructions. However, the only accessible retatrutide COA I could read was for 30mg, not the listed 50mg product, so it is not direct evidence for this SKU.

Dose & value

Vial size: 50 mg
Vials per pack: 1 (single vial)
Pack price: £135.00
Price per vial: £135.00
Price per mg: £2.70
Compared with other suppliers: 28% below the median (8 suppliers, same peptide)
Price last checked: 20 Sep 2026

Retatrutide product details

Compound: Retatrutide
Supplier product name: Retatrutide
Supplier product code (SKU): Not disclosed
CAS number: Not disclosed
Presentation: Lyophilised powder vial
Storage: Not disclosed
Supplier purity claim: Not disclosed

Listing details describe the supplier's own product page; they do not independently verify the contents of any vial. Check the current listing and the batch covered by any test report.

Supplier transparency

Supplier: Reta Research
Legal company: FESOBELLA LTD
Companies House verified: Yes
UK address disclosed: Yes
Contact details: Yes
Shipping policy: Yes
Returns policy: Yes
Batch / testing process explained: Yes

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What the record makes clear

No analytical report was located for this listing.
No batch number is recorded against this listing.
Price per mg can be calculated from the labelled vial size.

What to keep in mind

Research use only. A score is not an endorsement, and does not mean a product is safe, sterile, effective or suitable for human or veterinary use.
One tested sample does not guarantee every vial is identical.

Explore the alternatives

Compare alternative

Quantity: 50 mg / vial

£3.60per mg

£179.99per pack

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Product & testing details

Supplier: Owsa Labs
Vials per pack: 1
Price per vial: £179.99
Listing last checked: 2026-09-21 17:26:44

Evidence status: Testing claimed
Manufacturer statement: "Certificate of analysis on every product"; "Third-party COAs are published for selected lots"; "Testing by Janoshik Analytical, covering peptide content and purity."
Laboratory: Janoshik Analytical
Certification body: Not recorded
Batch: Not recorded
Batch-specific report: Not established in this record
Report date: Not recorded
Evidence checked: 2026-09-21