Royal PeptidesTirzepatide
Ordered Tirzepatide from Royal Peptides? Mail in a sample (US only) and let us test it for free.
Test my supplyRoyal Peptides tirzepatide has two early purity misses at 99.327% and 99.042%, followed by steady passing identity, purity, and quantity results. Traceability is the caveat: most reports lack batch IDs, and one vial showed +26% fill.
We investigated who actually operates Royal Peptides — corporate records, ownership trails, web infrastructure, and how its lab results break down product by product. Read the full report before you order.
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About Royal Peptides test results from Finnrick
Royal Peptides is a peptide vendor tracked in Finnrick's independent testing dataset. This page compiles batch-level results across 3 peptides and 34 tests, including ratings, observed price signals, recent test dates, and correction history where available.
Finnrick ratings are calculated from published sample data using the selected rating standard. The default standard evaluates purity, dose accuracy, and label quality, then adjusts low-volume results so small sample counts do not appear more certain than the data supports.
The most visible Royal Peptides peptides in this dataset are Retatrutide (15 tests), Semaglutide (8 tests) and Tirzepatide (11 tests). Use the peptide table above to compare the current Finnrick rating, price per mg, and sample volume for each peptide.
Recent tests and corrections are shown below when available. Samples may be acquired by Finnrick directly or submitted through Finnrick testing programs; the goal is to make safety and supply-chain evidence easier to evaluate than vendor marketing claims alone. This page currently lists 34 recent tests.
Ordered Tirzepatide from Royal Peptides? Mail in a sample (US only) and let us test it for free.
Test my supply