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Retatrutide 10-mg / owsa-rt-10mg
Product analysis · Owsa Labs

Retatrutide 10-mg / owsa-rt-10mg

10 mg per vial of Retatrutide, sold by Owsa Labs. An analytical report is on file from Janoshik Analytical, showing 99.711% purity. For laboratory research use only.

Why this score?
Testing & analytical evidence
38/45
Value
21/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing transparency: 38/45
£29.49Owsa Labs
10 mgVial size
1Vials per pack
£29.49Price / vial
£2.95Price / 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 evidence84/100
38 of 45 points
Value86/100
21.5 of 25 points
Product identity73/100
11 of 15 points
Supplier transparency25/100
2.5 of 10 points
Label & listing transparency100/100
5 of 5 points

Overall: 78/100 - Good. 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

Verified independent evidence

Evidence status
Verified independent evidence
Manufacturer statement
"Certificate of analysis on every product"; "Third-party tested"; "Testing by Janoshik Analytical, covering peptide content and purity."
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
RT10/202602
Batch-specific report
Recorded
Report date
2026-02-16
Evidence checked
2026-09-21
Purity (HPLC)
99.711%
Chromatogram
Not shown
Identity / mass spectrometry
Not shown
Measured content
Within 11% of label
Lab verification
Can be verified with the laboratory
Microbiology / endotoxin
Not shown

Found a matching public Janoshik COA for the 10 mg retatrutide vial, batch RT10/202602, showing 99.711{a48505b7a92a5d64fa947b6701e2877576ce853b374f7be6d82c62f5ee4ca6d5} purity and 11.02 mg measured content. The report does not show a chromatogram or mention mass spectrometry, sterility, endotoxin, or contaminant panels.

Dose & value

Vial size
10 mg
Vials per pack
1 (single vial)
Pack price
£29.49
Price per vial
£29.49
Price per mg
£2.95
Compared with other suppliers
21% below the median (8 suppliers, same peptide)
Price last checked
21 Sep 2026

Retatrutide product details

Compound
Retatrutide
Supplier product name
Retatrutide
Supplier product code (SKU)
OWSA-RT-10MG
CAS number
Not disclosed
Presentation
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
Owsa Labs
Legal company
Owsa Labs
Companies House verified
Not found
UK address disclosed
Not found
Contact details
Yes
Shipping policy
Yes
Returns policy
Yes
Batch / testing process explained
Yes

View the full supplier profile →

Compare all Retatrutide suppliers →

What the record makes clear

  • An analytical report was located for this listing.
  • The report is for batch RT10/202602 - confirm it matches the vial you receive.
  • 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

Retatrutide 10mgUK Peptides (ukpeptides.org)

Why this score?
Testing & analytical evidence
39/45
Value
14/25
Product identity
12/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
10 mg / vial
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Independently Tested · Accredited External Lab; Third-party HPLC-UV testing; signed batch CoA on the page; batch-matched CoA published
Laboratory
Chromate Analytics
Certification body
Not recorded
Batch
UKP-RETA10-2511
Batch-specific report
Recorded
Report date
2025-12-03
Evidence checked
2026-09-20
£5.00per mg
£49.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
UK Peptides (ukpeptides.org)
Vials per pack
1
Price per vial
£49.99
Listing last checked
2026-09-20 09:20:11
Evidence status
Verified independent evidence
Manufacturer statement
Independently Tested · Accredited External Lab; Third-party HPLC-UV testing; signed batch CoA on the page; batch-matched CoA published
Laboratory
Chromate Analytics
Certification body
Not recorded
Batch
UKP-RETA10-2511
Batch-specific report
Recorded
Report date
2025-12-03
Evidence checked
2026-09-20

Retatrutide 10mg

UK Peptides (ukpeptides.org)
Why this score?
Testing & analytical evidence
39/45
Value
14/25
Product identity
12/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
Manufacturer statement
Independently Tested · Accredited External Lab; Third-party HPLC-UV testing; signed batch CoA on the page; batch-matched CoA published
Laboratory
Chromate Analytics
Certification body
Not recorded
Batch
UKP-RETA10-2511
Batch-specific report
Recorded
Report date
2025-12-03
Evidence checked
2026-09-20
£5.00per mg
£49.99per pack
View AnalysisBuy Now

Compare alternative

Retatrutide 10mgReta Research

Why this score?
Testing & analytical evidence
38/45
Value
14/25
Product identity
12/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
10 mg / vial
Testing evidence
Evidence status
Verified independent evidence
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
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0226-RT10
Batch-specific report
Recorded
Report date
2026-03-02
Evidence checked
2026-09-20
£5.00per mg
£50.00per pack
View AnalysisBuy Now
Product & testing details
Supplier
Reta Research
Vials per pack
1
Price per vial
£50.00
Listing last checked
2026-09-20 09:20:11
Evidence status
Verified independent evidence
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
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0226-RT10
Batch-specific report
Recorded
Report date
2026-03-02
Evidence checked
2026-09-20

Retatrutide 10mg

Reta Research
Why this score?
Testing & analytical evidence
38/45
Value
14/25
Product identity
12/15
Supplier transparency
10/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Verified independent evidence
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
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0226-RT10
Batch-specific report
Recorded
Report date
2026-03-02
Evidence checked
2026-09-20
£5.00per mg
£50.00per pack
View AnalysisBuy Now

Compare alternative

Retatrutide 5-mg / owsa-rt-5mgOwsa Labs

Why this score?
Testing & analytical evidence
10/45
Value
7/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Quantity
5 mg / vial
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
"Certificate of analysis on every product"; "We hold 4 laboratory reports for this compound"; "Testing by Janoshik Analytical, covering peptide content and purity."; "Purity ≥98%"
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
£8.00per mg
£39.99per pack
View AnalysisBuy Now
Product & testing details
Supplier
Owsa Labs
Vials per pack
1
Price per vial
£39.99
Listing last checked
2026-09-21 17:26:44
Evidence status
Testing claimed
Manufacturer statement
"Certificate of analysis on every product"; "We hold 4 laboratory reports for this compound"; "Testing by Janoshik Analytical, covering peptide content and purity."; "Purity ≥98%"
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

Retatrutide 5-mg / owsa-rt-5mg

Owsa Labs
Why this score?
Testing & analytical evidence
10/45
Value
7/25
Product identity
11/15
Supplier transparency
3/10
Label & listing transparency
5/5
Displayed points and weights are rounded; the total uses unrounded weights. Pending dimensions are excluded. Provisional scores may change after review.
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
"Certificate of analysis on every product"; "We hold 4 laboratory reports for this compound"; "Testing by Janoshik Analytical, covering peptide content and purity."; "Purity ≥98%"
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
£8.00per mg
£39.99per pack
View AnalysisBuy Now