Independent lab evidence

Zepeptide

Zepeptide’s lab evidence dates to November 2025 and covers 82 test records across 10 recorded compound names, alongside 0 community reviews. Median purity is 99.8% across 68 positive purity tests.

▸ What you can check next

These results describe the 82 certificates on file for Zepeptide — the batches that were tested, not the vial you are being offered.

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

82Test records10 recorded name groups

Reports by test date

2025-11-252026-09-07

99.8%Median purity68 positive purity tests

0Community reviewsRead community experiences →

82 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

10 classified tests

Expected compound not detected

81 reported purity outcomes

Underfilled >15%

1 fill tests · Last 6 months

Overfilled >15%

1 fill tests · Last 6 months

Reported zero amount

80 numeric amount results

Test results

How the fills compare

2 fill tests · All time

Measured against the printed amount. Finnrick quantities are excluded.

Beyond the purity average

68 positive tests

Mean 99.4% · Median 99.8%. The 90% grouping is not a safety threshold.

Test coverage & missing results

1 records have no usable purity outcome. 80 do not have a comparable fill test. 72 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

2025-11-25 — 2026-09-07

Research involving Zepeptide

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 Zepeptide

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

Is Zepeptide legit?

TitrateLab does not rank or recommend vendors; it reports what independent labs measured. Zepeptide shows high measured purity (99.4% mean across 68 positive purity measurements; 13 identity failures reported separately). Dose accuracy is mixed and no recent result was under label: in the last 12 months 1 of 2 dose results were on target, 0 under label and 1 over; all time 1 of 2 on target, 0 under and 1 over. These results describe tested batches, not every product or shipment.

What is Zepeptide's average purity?

99.4% mean measured purity across 68 positive third-party lab results; 67 were at or above 90% and 1 was below. In 13 additional tests, the labeled compound was not detected.

How many Zepeptide lab certificates has TitrateLab tracked?

82 third-party certificates from 2025-11-25 to 2026-09-07, covering 10 compounds.

How accurate are Zepeptide's doses?

Dose accuracy is mixed and no recent result was under label: in the last 12 months 1 of 2 dose results were on target, 0 under label and 1 over; all time 1 of 2 on target, 0 under and 1 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 Zepeptide failed an endotoxin test?

Endotoxin was reported on 10 of 82 counted records (12.2%). 1 of 10 classifiable results failed.

Sources, definitions & limits

82 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 10 records have a classifiable result. Community sentiment describes reviews, not laboratory measurements or independently verified purchases. Results are not certification, medical advice or endorsement.