Retatrutide(GLP-1, GIP, and GCGR antagonist)
We've tested 189 samples of Retatrutide sourced from 34 vendors between 17 Dec 2024 and 7 May 2025. Purity varies from 89.66% to 100.00%, and quantity can diverge by up to +/-100% vs advertised value.
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | Pure Rawz | 2 | 6 May 2025 | 6 May 2025 | |||||
 | Limitless Life Nootropics | 4 | 13 Feb 2025 | 19 Feb 2025 | |||||
 | Atomik Labz | 4 | 6 May 2025 | 6 May 2025 | |||||
 | PurePeptides | 4 | 27 Feb 2025 | 20 Mar 2025 | |||||
 | NextechLabs | 6 | 14 Jan 2025 | 20 Mar 2025 | |||||
 | Oasis Peptides | 6 | 14 Jan 2025 | 20 Mar 2025 | |||||
 | Loti Labs | 5 | 16 Mar 2025 | 6 May 2025 | |||||
 | Peptide Crafters | 5 | 17 Dec 2024 | 20 Mar 2025 | |||||
 | Skye Peptides | 9 | 17 Dec 2024 | 7 May 2025 | |||||
 | Verified Peptides | 4 | 13 Feb 2025 | 19 Feb 2025 | |||||
 | Eternal Peptides | 2 | 7 May 2025 | 7 May 2025 | |||||
 | Alpha-Gen | 4 | 24 Apr 2025 | 30 Apr 2025 | |||||
 | Nuscience Peptides | 4 | 22 Apr 2025 | 5 May 2025 | |||||
 | Royal Peptides | 6 | 16 Mar 2025 | 26 Mar 2025 | |||||
 | Pharma Grade Peptides | 2 | 7 May 2025 | 7 May 2025 | |||||
 | Paramount Peptides | 9 | 14 Jan 2025 | 6 May 2025 | |||||
 | Amino Amigos | 2 | 14 Jan 2025 | 23 Jan 2025 | |||||
 | Platinum Cryo | 6 | 22 Apr 2025 | 7 May 2025 | |||||
 | Planet Peptide | 8 | 17 Dec 2024 | 7 May 2025 | |||||
 | Simple Peptide | 4 | 25 Apr 2025 | 6 May 2025 | |||||
 | Biolongevity Labs | 5 | 31 Mar 2025 | 7 May 2025 | |||||
 | Amplified Amino | 4 | 13 Feb 2025 | 19 Feb 2025 | |||||
 | Amino Asylum | 2 | 14 Feb 2025 | 19 Feb 2025 | |||||
 | Liberty Peptides | 3 | 31 Mar 2025 | 7 May 2025 | |||||
 | Suaway Lab Research | 4 | 31 Mar 2025 | 22 Apr 2025 | |||||
 | Polaris Peptides | 17 | 17 Dec 2024 | 6 May 2025 | |||||
 | Coastal Peptides | 5 | 27 Feb 2025 | 20 Mar 2025 | |||||
 | Tydes | 9 | 17 Dec 2024 | 30 Apr 2025 | |||||
 | Elite Research USA | 2 | 30 Apr 2025 | 30 Apr 2025 | |||||
 | Peptide Sciences | 26 | 17 Dec 2024 | 7 May 2025 | |||||
 | Forever Young Pharmacy | 8 | 17 Dec 2024 | 31 Mar 2025 | |||||
 | Peptide Gurus | 6 | 16 Mar 2025 | 27 Mar 2025 | |||||
 | Peptide worldwide | 1 | 6 May 2025 | 6 May 2025 | |||||
 | SRY Labs | 1 | 20 Apr 2025 | 20 Apr 2025 | |||||
Most recent Retatrutide tests
Samples are tested in commercial labs
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Vendor | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 7 May 2025 | Peptide Sciences | View | 6mg | ⚠️ Sample does not contain Retatrutide | RET7920231109-6 | White, Orange Label / Purple Crimp / Orange Cap | Lab E | Finnrick | |||
| 7 May 2025 | Peptide Sciences | View | 16mg | 13.600mg | -15.0% | 100.00% | RET9920241120-16 | White, Orange Label / Blue Crimp / Turquoise Cap | Lab E | Finnrick | |
| 7 May 2025 | Biolongevity Labs | View | 10mg | 10.700mg | +7.0% | 100.00% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Finnrick | |
| 7 May 2025 | Platinum Cryo | View | 15mg | 14.500mg | -3.3% | 97.30% | (no batch ID) | White Label / Black Crimp / Clear Cap | Lab E | Finnrick | |
| 7 May 2025 | Platinum Cryo | View | 15mg | 14.300mg | -4.7% | 96.45% | (no batch ID) | White Label / Black Crimp / Clear Cap | Lab E | Finnrick | |
| 7 May 2025 | Peptide Sciences | View | 16mg | 13.600mg | -15.0% | 100.00% | RET9920241120-16 | White, Orange Label / Blue Crimp / Turquoise Cap | Lab E | Finnrick | |
| 7 May 2025 | Liberty Peptides | View | 10mg | 10.200mg | +2.0% | 99.04% | (no batch ID) | White Label / Silver Crimp / White Cap | Lab E | Finnrick | |
Corrections
- 15 Apr 2025: Polaris Peptides
- Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 6.25mg. Lab issued an updated test certificate on 7 Apr 2025.
- 15 Apr 2025: Limitless Life Nootropics
- Lab B test 19 Feb 2025: updated quantity following the identification of a clerical error, value was erroneously listed as 9.27mg. Lab issued an updated test certificate on 7 Apr 2025.
- 6 Apr 2025: Forever Young Pharmacy
- Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.
- 6 Apr 2025: Peptide Sciences
- Lab A test 14 Feb 2025: updated compound identification, removed purity and quantity values. Error in analysis by Lab, compound was incorrectly identified as Retatrutide. Lab issued an updated test certificate.