Royal Peptides
Finnrick has tested 31 samples from Royal Peptides across 3 products.
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Products
| Tests | ||||||||
|---|---|---|---|---|---|---|---|---|
| Product | Rating | Count | Avg | Min | Max | Oldest | Most Recent | |
| Semaglutide | 7 | 16 Mar 2025 | 3 Aug 2025 | |||||
| Retatrutide | 14 | 16 Mar 2025 | 13 Mar 2026 | |||||
| Tirzepatide | 10 | 16 Mar 2025 | 3 Mar 2026 | |||||
The Royal Peptides samples tested by Finnrick were either acquired by Finnrick directly, or submitted by the public.
Customer Reviews
These indicators of customer satisfaction are based on reports submitted by the public through the Finnrick testing program, and are not verified.
Based on 6 overall satisfaction reports
People who submitted test requests to Finnrick gave Royal Peptides an average satisfaction rating of 4.0 out of 5 across 6 reports associated with samples received and tested by Finnrick. Customers rated ease of purchase (4.9/5), payment methods (4.7/5), delivery speed (4.7/5), and customer service (4.7/5) particularly highly. Meanwhile, packaging quality (3.6/5) received comparatively lower ratings.
Most recent Royal Peptides tests
Samples are tested in commercial labs
tests
products
Scores
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| Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Product | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 13 Mar 2026 | Retatrutide | View | 15mg | 14.6mg | -2.7% | 99.80% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 3 Mar 2026 | Tirzepatide | View | 10mg | 9.8mg | -2.0% | 99.70% | low | Dec2,2025 | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 1 Mar 2026 | Retatrutide | View | 40mg | 34.1mg | -14.8% | 99.80% | n/a | (no batch ID) | No Label / Gold Crimp / Clear Cap | Lab G | Public | |
| 22 Feb 2026 | Retatrutide | View | 30mg | 31.9mg | +6.3% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Pink Cap | Lab E | Public | |
| 22 Feb 2026 | Retatrutide | View | 30mg | 32.7mg | +9.0% | 98.78% | n/a | Nov 2, 2025 | No Label / Silver Crimp / Pink Cap | Lab E | Public | |
| 11 Feb 2026 | Retatrutide | View | 5mg | 5.37mg | +7.4% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 29 Jan 2026⚠️ | Retatrutide | View | 23mg | 11.4mg | -50.4% | 99.95% | below LOQ | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |