Skip to content
UKUSA
Retatrutide 20mg
Product analysis · UK Peptides (ukpeptides.org)

Retatrutide 20mg

20 mg per vial of Retatrutide 20mg, sold by UK Peptides (ukpeptides.org). An analytical report is on file from Krause Analytical LLC, showing 99.95% purity. For laboratory research use only.

Why this score?
Testing & analytical evidence
40/45
Value
15/25
Product identity
11/15
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 transparency: 40/45
£89.99UK Peptides (ukpeptides.org)
20 mgVial size
1Vials per pack
£89.99Price / vial
£4.50Price / mg
Buy NowCompare alternatives

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 evidence89/100
40 of 45 points
Value61/100
15.4 of 25 points
Product identity73/100
11 of 15 points
Supplier transparency100/100
10 of 10 points
Label & listing transparency100/100
5 of 5 points

Overall: 81.4/100 - Strong. 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
Independent third-party laboratory report for batch UKP-RETA20-2512 of Retatrutide 20mg, issued by an accredited independent laboratory using HPLC-UV + Mass Spectrometry. Result: ≥98% (HPLC-UV).
Laboratory
Krause Analytical LLC
Certification body
Not recorded
Batch
UKP-RETA20-2512
Batch-specific report
Recorded
Report date
2025-12-25
Evidence checked
2026-09-20
Purity (HPLC)
99.95%
Chromatogram
Not shown
Identity / mass spectrometry
Independent, spectrum/mass shown
Measured content
Within 6% of label
Lab verification
No public verification
Microbiology / endotoxin
Not shown

I found a public, batch-matched external COA for Retatrutide 20mg with 99.95{a48505b7a92a5d64fa947b6701e2877576ce853b374f7be6d82c62f5ee4ca6d5} purity and measured content 21.2 mg. No sterility/endotoxin or contaminant panels were shown, and the chromatogram is not visible in the extracted PDF text.

Dose & value

Vial size
20 mg
Vials per pack
1 (single vial)
Pack price
£89.99
Price per vial
£89.99
Price per mg
£4.50
Compared with other suppliers
2% above the median (8 suppliers, same peptide)
Price last checked
20 Sep 2026

Retatrutide product details

Compound
Retatrutide
Supplier product name
Retatrutide 20mg
Supplier product code (SKU)
UKP-RETA-20MG
CAS number
Not disclosed
Presentation
Vial
Storage
Not disclosed
Supplier purity claim
≥98{a48505b7a92a5d64fa947b6701e2877576ce853b374f7be6d82c62f5ee4ca6d5} (HPLC-UV)

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
UK Peptides (ukpeptides.org)
Legal company
AURYXRESEARCH LTD
Companies House verified
Yes
UK address disclosed
Yes
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 UKP-RETA20-2512 - 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 20mgReta Research

Why this score?
Testing & analytical evidence
41/45
Value
17/25
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
20 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. Independent lab paperwork for every research-peptide batch we currently hold in UK stock — each one confirming HPLC purity and mass-spectrometry identity, signed off by Janoshik Analytical.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0126-RT20
Batch-specific report
Recorded
Report date
2026-01-20
Evidence checked
2026-09-20
£4.00per mg
£80.00per pack
View AnalysisBuy Now
Product & testing details
Supplier
Reta Research
Vials per pack
1
Price per vial
£80.00
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. Independent lab paperwork for every research-peptide batch we currently hold in UK stock — each one confirming HPLC purity and mass-spectrometry identity, signed off by Janoshik Analytical.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0126-RT20
Batch-specific report
Recorded
Report date
2026-01-20
Evidence checked
2026-09-20

Retatrutide 20mg

Reta Research
Why this score?
Testing & analytical evidence
41/45
Value
17/25
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. Independent lab paperwork for every research-peptide batch we currently hold in UK stock — each one confirming HPLC purity and mass-spectrometry identity, signed off by Janoshik Analytical.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
EGB-0126-RT20
Batch-specific report
Recorded
Report date
2026-01-20
Evidence checked
2026-09-20
£4.00per mg
£80.00per pack
View AnalysisBuy Now

Compare alternative

Retatrutide 20mgPepSource

Why this score?
Testing & analytical evidence
10/45
Value
18/25
Product identity
14/15
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
20 mg / vial
Testing evidence
Evidence status
Testing claimed
Manufacturer statement
Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity; the certificate of analysis for the batch you receive is published on our lab results page.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22
£3.75per mg
£75.00per pack
View AnalysisBuy Now
Product & testing details
Supplier
PepSource
Vials per pack
1
Price per vial
£75.00
Listing last checked
2026-09-22 09:38:18
Evidence status
Testing claimed
Manufacturer statement
Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity; the certificate of analysis for the batch you receive is published on our lab results page.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22

Retatrutide 20mg

PepSource
Why this score?
Testing & analytical evidence
10/45
Value
18/25
Product identity
14/15
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
Testing claimed
Manufacturer statement
Every batch is independently third-party tested for HPLC purity and mass-spectrometry identity; the certificate of analysis for the batch you receive is published on our lab results page.
Laboratory
Janoshik Analytical
Certification body
Not recorded
Batch
Not recorded
Batch-specific report
Not established in this record
Report date
Not recorded
Evidence checked
2026-09-22
£3.75per mg
£75.00per pack
View AnalysisBuy Now

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