Testing update: our lots at Analiza Białek — results pending (10 Nov 2026)

Hong Kong Yanpep International

Rierink

Member
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Hello everyone — a short update on independent testing of our own lots.

Analiza Białek (Wrocław)
We have sent four vials from our own stock to Analiza Białek, an independent laboratory in Wrocław, Poland, for HPLC and LC-MS. The panel covers purity and identity.

Vials sent:
  • Retatrutide 40 mg
  • Retatrutide 20 mg
  • Tirzepatide 20 mg
  • Semaglutide 30 mg
Results are pending. When they are in, we will publish them on https://rierink.com and in this thread.

Janoshik Testing Fund
Separately, we run a public Testing Fund: https://rierink.com/en/testing-fund

Contributions at checkout are optional. A community vote helps choose what is tested next. The pool is currently €140 of €320 toward the next planned test, Retatrutide 30 mg. No test has been paid from the pool yet; the first is on its way.

A note on certificates already on the site
Janoshik reports and other certificates already on rierink.com that are marked as supplier documents are supplier tests, not tests of our lots. A result is published for a Rierink lot only when we hold a document that names that lot.

The full catalogue is on https://rierink.com.

Contact
WhatsApp: +31 970 102 24319
Telegram: https://t.me/rierinkcom
Email: [email protected]

For laboratory research use only. Not for human or veterinary use.
 
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