Retatrutide: testing volume and reliability evidence
A dated comparison of five international seller identities, with distinct report counts, source-checked identity findings and explicit limits on reliability claims.
TitrateLab has 44 lab test records for Bfflink, tested from to , covering 2 product names. Median measured purity is 99.9% across 41 purity tests, and none was below 90%. 1 test did not detect the expected compound. 1 of 12 classified endotoxin tests failed. 1 result reported a zero amount. The latest report is 2 months old. Lab results describe the batches that were tested, not every product or order.
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12 classified tests · All time
42 reported purity outcomes · All time
No fill test in the last 6 months
Not testedNo fill test in the last 6 months
Not tested42 numeric amount results · All time
44 test records on file · December 2025 to September 2026
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Measured against the printed amount. Finnrick quantities are excluded.
Mean 99.7% · Median 99.9%. The 90% grouping is not a safety threshold.
2 records have no usable purity outcome. 44 do not have a comparable fill test. 32 lack a classified endotoxin result. A classified pass does not mean no endotoxin was detected.
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Buyer experiences—not lab results or verified purchases.
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Recorded offers—not a live stock guarantee. Package quantity, delivery market and price basis stay attached.
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Published investigations, with the sources and context behind the findings.
Answers based on the published evidence—not a vendor endorsement.
TitrateLab has 44 lab test records for Bfflink, tested from December 16, 2025 to September 18, 2026, covering 2 product names. Median measured purity is 99.9% across 41 purity tests, and none was below 90%. 1 test did not detect the expected compound. 1 of 12 classified endotoxin tests failed. 1 result reported a zero amount. The latest report is 2 months old. Lab results describe the batches that were tested, not every product or order.
How to check if a peptide vendor is legit: six checks, and what they cannot prove.
99.7% mean measured purity across 41 positive purity tests; 0 below 90%. The 90% grouping is not a safety threshold. 1 additional test did not detect the expected compound.
TitrateLab has 44 lab test records for Bfflink. Tested from 2025-12-16 to 2026-09-18. A test record is not necessarily a unique certificate.
Last 6 months: no comparable fill test. All time: no comparable fill test. The measured amount is compared with the printed label. Finnrick quantity comparisons are excluded because they use a vendor batch claim. Missing tests are not passes.
Of 12 classified endotoxin tests, 1 failed, 0 were borderline and 11 passed. A pass does not mean no endotoxin was detected.
Names on reports; vendor role unverified. A test record is not necessarily a unique certificate.
The reports describe the batches that were tested, not an untested vial or an offer from this vendor.
44 published records are attributed to this vendor. The current certificate index excludes 0 repeated records using file hashes and supported lab verification links. Missing identity keys can leave repeated certificates. Recorded name groups can include variants, mixtures and unclassified names.
Evidence dates describe the tested samples, not when the vendor was founded, current stock, or a performance trend. Purity uses positive measurements only. Exact-zero purity is a not-detected identity outcome, not proof of an empty vial. A zero measured amount requires an explicit numeric amount result; missing amounts are not zero.
Underfills and overfills here exceed 15% in either direction against the printed amount. Vendor batch claims are not used; Finnrick quantity comparisons are excluded. Recent outcomes cover 2026-05-01 through 2026-11-01, inclusive. The summary, charts and FAQ use these same definitions. Missing tests are not passing results.
Endotoxin failures, borderline outcomes and passes use the recorded lab verdict. A pass is not proof of no endotoxin. Only 12 records have a classifiable result. Community sentiment describes reviews, not laboratory measurements or independently verified purchases. Results are not certification, medical advice or endorsement.
TitrateLab Pro
Pro opens the available original certificates with their batch, lab and measured-amount details, plus every report on file for Bfflink.
Membership unlocks access, not additional testing, and is not vendor certification.
Or buy just this vendor: the Bfflink report for $5, 30 days of access to every Bfflink record on TitrateLab, no subscription.