Hangzhou sigmabiotech Peptides Review

Third-party lab testing: 1 independent Janoshik assay on file, median measured purity 99.9%, most recent test 2025-08-25.

Tracked by Finnrick with 6 pending/unlisted tests.

Hangzhou sigmabiotech is listed as active. Tracked by Finnrick with 6 unlisted tests.

Independent lab test results for Hangzhou sigmabiotech

Substance	Measured purity	Test date
Tirzepatide 60mg	99.92%	2025-08-25

The record for Hangzhou sigmabiotech

Status	Active
Independent assays on file	1
Median measured purity	99.9%
Vendor type	Research-use supplier

What we found

No published COAs. We found no certificates of analysis or third-party test results anywhere on the site. source
Operates from Hong Kong. Evidence: Site copy references China; Lists a Hong Kong (+852) contact number. source

Ordering and payment

Card payments: Not accepted
Cryptocurrency: Not accepted
Currency: USD
Online checkout: Not available

Shipping and handling

Ships to: Worldwide

Company details

Also known as: Retatrutide, Tirzepatide, MOTS-C, Tesamorelin, peptide
Operates from: Hong Kong
Basis for location: Site copy references China; Lists a Hong Kong (+852) contact number

Contact channels

Email: [email protected]
Phone: +852 95178236
Contact page: https://sigmatech-peptide.com/Contact.aspx?ClassID=23

How we checked

These details were read from Hangzhou sigmabiotech's own website on 2026-08-17. Pages consulted:

Frequently asked questions

Is Hangzhou sigmabiotech legit?

Hangzhou sigmabiotech is listed as active and we hold 1 independent Janoshik assay on file, median measured purity 99.9%. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.

Has Hangzhou sigmabiotech been lab tested?

Yes. We hold 1 third-party Janoshik assay for Hangzhou sigmabiotech, with a median measured purity of 99.9%. The most recent is dated 2025-08-25.

Tested substances: Tirzepatide 60mg.

Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.