Independent lab evidence

Jett Labs

Jett Labs’s lab evidence dates to September 2025 and covers 102 test records across 28 recorded compound names, alongside 0 community reviews. Median purity is 99.8% across 67 positive purity tests.

▸ What you can check next

These results describe the 102 certificates on file for Jett Labs — the batches that were tested, not the vial you are being offered.

Check a batch from Jett Labs Search the public COA corpus by batch or lot number and see whether that exact batch was ever tested. Watch Jett Labs A free account keeps a vendor watchlist. The daily digest of mentions and announcements is part of Pro.

102Test records28 recorded name groups

Reports by test date

2025-09-042026-08-26

99.8%Median purity67 positive purity tests

0Community reviewsRead community experiences →

102 published records · 0 excluded by the current index · Names on reports; vendor role unverified. A test record is not necessarily a unique certificate.

Key facts

All time unless dated

Endotoxin failures

33 classified tests

Expected compound not detected

67 reported purity outcomes

None recorded

Underfilled >15%

13 fill tests · Last 6 months

Overfilled >15%

13 fill tests · Last 6 months

Reported zero amount

59 numeric amount results

None recorded

Test results

How the fills compare

56 fill tests · All time

Measured against the printed amount. Finnrick quantities are excluded.

Beyond the purity average

67 positive tests

Mean 99.5% · Median 99.8%. The 90% grouping is not a safety threshold.

Test coverage & missing results

35 records have no usable purity outcome. 46 do not have a comparable fill test. 69 lack a classified endotoxin result. A classified pass does not mean no endotoxin was detected.

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Community reviews

Buyer experiences—not lab results or verified purchases.

0Positive

0Neutral

0Negative

0Unclassified

No approved reviews on file yet.

Prices & value

Market price index →

Recorded offers—not a live stock guarantee. Package quantity, delivery market and price basis stay attached.

Recorded compoundStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

Vendor listingStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

Compound listingStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

Recorded compoundStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

Vendor listingStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

Compound listingStrength · Package quantity $•••.••per vial $••.••per mg Delivery marketRecorded listing

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Evidence over time

Dated records—not a performance trend

2025-09-04 — 2026-08-26

Research involving Jett Labs

All research →

Published investigations, with the sources and context behind the findings.

No vendor-specific investigations are listed yet. The lab evidence and community reviews are available in their tabs.

Questions about Jett Labs

Answers based on the published evidence—not a vendor endorsement.

Is Jett Labs legit?

TitrateLab does not rank or recommend vendors; it reports what independent labs measured. Jett Labs shows high measured purity (99.5% mean across 67 positive purity measurements). Dose accuracy is mixed and recent underfills are uncommon: in the last 12 months 17 of 46 dose results were on target, 2 under label and 27 over; all time 25 of 56 on target, 2 under and 29 over. These results describe tested batches, not every product or shipment.

What is Jett Labs's average purity?

99.5% mean measured purity across 67 positive third-party lab results; 67 were at or above 90% and 0 were below.

How many Jett Labs lab certificates has TitrateLab tracked?

102 third-party certificates from 2025-09-04 to 2026-08-26, covering 27 compounds.

How accurate are Jett Labs's doses?

Dose accuracy is mixed and recent underfills are uncommon: in the last 12 months 17 of 46 dose results were on target, 2 under label and 27 over; all time 25 of 56 on target, 2 under and 29 over. A dose result compares the measured amount with the amount printed on the label: under is more than 10% below, over is more than 10% above, on target is everything in between. Finnrick results are excluded because that lab measures against the vendor's batch claim. Missing values are never counted as passes.

Has Jett Labs failed an endotoxin test?

Endotoxin was reported on 33 of 102 counted records (32.4%). No failures were recorded in those 33.

Sources, definitions & limits

102 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 2026-03-17 through 2026-09-17, inclusive. The older published ±10% partition may appear in the existing FAQ and is a different, explicitly labelled threshold. 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 33 records have a classifiable result. Community sentiment describes reviews, not laboratory measurements or independently verified purchases. Results are not certification, medical advice or endorsement.