Independent lab evidence

FSD

FSD’s lab evidence dates to January 2025 and covers 82 test records across 17 recorded compound names, alongside 256 community reviews. Median purity is 99.7% across 67 positive purity tests.

▸ What you can check next

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

Check a batch from FSD Search the public COA corpus by batch or lot number and see whether that exact batch was ever tested. Watch FSD A free account keeps a vendor watchlist. The daily digest of mentions and announcements is part of Pro.
82Test records17 recorded name groups

Reports by test date

2025-01-082026-07-13
99.7%Median purity67 positive purity tests
256Community 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
3

Endotoxin failures

10 classified tests

0

Expected compound not detected

67 reported purity outcomes

None recorded
0

Underfilled >15%

7 fill tests · Last 6 months

1

Overfilled >15%

7 fill tests · Last 6 months

0

Reported zero amount

70 numeric amount results

None recorded

Test results

How the fills compare

62 fill tests · All time

Measured against the printed amount. Finnrick quantities are excluded.

Beyond the purity average

67 positive tests

Mean 99.5% · Median 99.7%. The 90% grouping is not a safety threshold.

Test coverage & missing results

15 records have no usable purity outcome. 20 do not have a comparable fill test. 72 lack a classified endotoxin result. A classified pass does not mean no endotoxin was detected.

Community reviews

All 256 reviews →

The 10 most recent approved reviews. Buyer experiences—not lab results or verified purchases.

159Positive
52Neutral
45Negative
0Unclassified
Reviewerjack Manubi VendorFSD
Tone
Telegram #e1133106
ReviewerCryptenio VendorFSD
Tone
Telegram #390341da
Reviewerxetlay VendorFSD
Tone
Telegram #f496f626
ReviewerPJ 😎 VendorFSD
Tone
Telegram #0fb464a3
Revieweraveenc VendorFSD
Tone
Telegram #de4f7827
ReviewerUltheUl VendorFSD
Tone
Telegram #70ecdc5a
ReviewerKristi Parr VendorFSD
Tone
Telegram #9dc01825
ReviewerKarma VendorFSD
Tone
Telegram #b6079e55
Reviewerymeee81 VendorFSD
Tone
Telegram #fc27485f
ReviewerMmpeps VendorFSD
Tone
Telegram #b3504b2d
Read more reviews →
Public review excerpts

Prices & value

Market price index →

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

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Evidence over time

Dated records—not a performance trend

2025-01-08 — 2026-07-13

Research involving FSD

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 FSD

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

Is FSD legit?

TitrateLab does not rank or recommend vendors; it reports what independent labs measured. FSD shows high measured purity (99.5% mean across 67 positive purity measurements). Dose accuracy is mixed: in the last 12 months 11 of 18 dose results were on target, 1 under label and 6 over; all time 37 of 62 on target, 3 under and 22 over. These results describe tested batches, not every product or shipment.

What is FSD'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 FSD lab certificates has TitrateLab tracked?

82 third-party certificates from 2025-01-08 to 2026-07-13, covering 17 compounds.

How accurate are FSD's doses?

Dose accuracy is mixed: in the last 12 months 11 of 18 dose results were on target, 1 under label and 6 over; all time 37 of 62 on target, 3 under and 22 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 FSD failed an endotoxin test?

Endotoxin was reported on 10 of 82 counted records (12.2%). 3 of 10 classifiable results failed and 1 were borderline.

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.

Independent evidence · Not certification or endorsement · Browse vendors

Supporting reports

COA report
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For order cards marked TitrateLab protected: Test what we sold you, and if it comes back under 95% purity and more than 13% underdosed, we reimburse 50% of your lab report and reship the product free. Both conditions have to be met.

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