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Wuhan Wansheng Biotechnology: Independent Lab Review (291 COAs Tracked)

Lab-verified evidence

Also searched as WWBWuhan WanshengWuhan Wansheng Biotechwuhan-wansheng-biotechnologyWansheng

An independent, evidence-first review of Wuhan Wansheng Biotechnology — wondering if Wuhan Wansheng Biotechnology is legit? Every number below is sourced from 291 third-party lab certificates of analysis, not vendor marketing. The aggregate lab metrics and purity distribution are free; certificate-level records, pricing & stock are TitrateLab Pro.

What the evidence says

Evidence window 2025-05-09 to 2026-08-13

Evidence through 2026-08-13. The 265 measured purity results averaged 98.6%; 10 were below 90%. In 3 additional tests, the labeled compound was not detected. In the last 12 months, 0 of 26 dose results were more than 10% under label; 12 were on target and 14 were over.

Measured purity

98.6%mean across 265 measured results

255 of 265 at or above 90% purity · 10 below · 3 additional identity failures

Dose results: measured amount against the printed label

Last 12 months26 results · since 2025-08-28 · latest 2025-12-05

0 under (0.0%)
12 on target (46.2%)
14 over (53.8%)

All time26 results · 2025-12-03 to 2025-12-05

0 under (0.0%)
12 on target (46.2%)
14 over (53.8%)

How these figures were calculated

A dose result is a certificate that reports a measured amount against the amount printed on the label. Under means more than 10% below the label, over means more than 10% above it, and on target is everything in between, inclusive. Positive purity measurements form the purity mean. When the labeled compound was not detected, that result is reported as an identity failure instead of 0% purity. Finnrick results are excluded from dose figures because that lab measures against the vendor's batch claim rather than the label; their purity and identity results still count. Missing values are never counted as passes.

Missing evidence:

23 of 291 counted certificates lack a usable purity result.
15 of 291 counted certificates lack a dose result (a measured amount against the printed label).
250 Finnrick results are excluded from label accuracy because that lab measures against the vendor's batch claim; their purity results still count.
287 of 291 counted certificates lack a usable endotoxin result.

Underfills on record

Dose results more than 10% under the printed label, worst first. Dated historical evidence, not current performance.

No dose result more than 10% under label among 26 dose results (2025-12-03 to 2025-12-05).

Expected compound not detected

The lab did not identify the compound named on the label. This is an identity failure, not a 0% purity measurement.

3of 268 reported identity/purity results did not detect the labeled compound

All 3 identity failures are shown above. These results are excluded from the positive-purity mean.

Low purity results

Positive purity measurements below 90%, lowest first. Identity failures are reported separately above.

The 5 lowest positive purity results are shown above. 10 of 265 positive purity results fell below 90%.

Dose results by compound

All time. Compounds with at least 5 dose results; the sample size is shown on every row.

20 more compounds with fewer than 5 dose results (26 results in total) are not ranked: too few results to describe a pattern.

Endotoxin

Reported separately from purity and dose. Only classifiable results count: a result the lab reported as pass, borderline or fail. Silence is not a pass.

Endotoxin was reported on 4 of 291 counted records (1.4%). No failures were recorded in those 4. Coverage is too limited for a vendor-wide conclusion.

Complete Wuhan Wansheng Biotechnology evidence

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Trust Index rank #66 of 1980 scored profiles · Limited Attribution

TitrateLab tracks 291 published evidence records filed under the name “Wuhan Wansheng Biotechnology.” The role of that name on the source reports has not been independently verified.

TitrateLab limited attribution card for Wuhan Wansheng Biotechnology — Trust Index rank #66 of 1980 scored profiles

Limited Attribution Name on reports; vendor role not verified Trust Index rank #66 of 1980 scored profiles · 61.4/100 · grade C Evidence through 2026-08-13

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Independent profile · Not certification or endorsement

Purity distribution

latest 120 of 265 reported results · purity %

Select a batch point ≥90% Below 90% Average

COAs tracked

291

third-party certs

On target, last 12 months

12 of 26

dose results within 10% of the label

Compounds

distinct peptides

Coverage

2025-05 → 2026-08

first → latest test

Compounds tested

37 distinct · 291 certs

Grouped by class, most-tested first. Tap any compound to expand its Wuhan Wansheng Biotechnology certificate archive. Certificate details remain obscured until Pro.

Certificate archive

291 third-party COAs · Pro

The evidence count, aggregate lab metrics, batch-purity distribution, five worst valid underfills, and classifiable endotoxin results are public. The complete certificate archive and remaining certificate-linked results require TitrateLab Pro.

See every Wuhan Wansheng Biotechnology batch we can verify.

Open all 291 certificates with images, labs, test dates, measured purity, fill accuracy, and the batch-by-batch history behind this dossier.

Buyer protection on eligible TitrateLab orders. Report a wrong or defective product within 7 days and we broker a refund or reship with the vendor. 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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Coverage applies only to eligible orders placed through TitrateLab. Pro access does not certify a vendor or batch.

Per-compound purity

mean purity by peptide · Pro

Average assayed purity for each of 37 compounds — the batch-level breakdown behind the headline average. Tap the tile to unlock with Pro.

Retatrutide 74 certs ••.•%

Tirzepatide 53 certs ••.•%

Tesamorelin 28 certs ••.•%

GHK-Cu 22 certs ••.•%

BPC-157 19 certs ••.•%

Ipamorelin 15 certs ••.•%

View per-compound purity · Pro

Community reviews

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The aggregate metrics and purity distribution above are free. Pro links every measured result to its certificate, lab, method and test date, adds the per-compound breakdown, and unlocks live pricing, stock & the full review thread.

Inline purity, all 291 batches Certificate images & lab sources Per-compound breakdown Live price & $/mg Current stock Every full review

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Frequently asked

purity & lab evidence

Is Wuhan Wansheng Biotechnology legit?

TitrateLab does not rank or recommend vendors; it reports what independent labs measured. Wuhan Wansheng Biotechnology shows high measured purity (98.6% mean across 265 positive purity measurements; 3 identity failures reported separately). Dose accuracy is mixed and no recent result was under label: in the last 12 months 12 of 26 dose results were on target, 0 under label and 14 over; all time 12 of 26 on target, 0 under and 14 over. These results describe tested batches, not every product or shipment.

What is Wuhan Wansheng Biotechnology's average purity?

98.6% mean measured purity across 265 positive third-party lab results; 255 were at or above 90% and 10 were below. In 3 additional tests, the labeled compound was not detected.

How many Wuhan Wansheng Biotechnology lab certificates has TitrateLab tracked?

291 third-party certificates from 2025-05-09 to 2026-08-13, covering 37 compounds.

How accurate are Wuhan Wansheng Biotechnology's doses?

Dose accuracy is mixed and no recent result was under label: in the last 12 months 12 of 26 dose results were on target, 0 under label and 14 over; all time 12 of 26 on target, 0 under and 14 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 Wuhan Wansheng Biotechnology failed an endotoxin test?

Endotoxin was reported on 4 of 291 counted records (1.4%). No failures were recorded in those 4. Coverage is too limited for a vendor-wide conclusion.

Answers are derived from the third-party lab certificates TitrateLab tracks for this vendor and describe tested purity only. This is research-use-only information, not medical advice and not a recommendation to purchase or use any product.

Head to head Compare Wuhan Wansheng Biotechnology vs UTHER — Uther Peptide Side-by-side lab purity, in-spec rate & COA count — independent evidence.

How this is sourced. TitrateLab tracks certificates of analysis posted by the community and verified against the issuing lab. Purity, test dates, and compound names shown here are the same facts published on each public certificate page — aggregated, never edited. Dose results compare the measured amount with the printed label and are reported as under, on target or over; Finnrick results are excluded from dose figures. Results reflect the batches that were tested and are not a guarantee of every order. Scores come only from lab data — no vendor pays for placement, and customer orders or Pro never move a grade. Browse the COA corpus →