---
site: EVOLV PEPTIDES
origin: https://evolvpeptides.co.uk
updated: 2026-09-22
research_use: laboratory only
---

# Is there a lot number on the vial?

The lot number is marked on every vial.

Keep that number with your experimental notes. Quote it if you ask for a batch record.

Absence of a paper COA in the carton does not mean the lot is unmarked.

Source: https://evolvpeptides.co.uk/answers/lot-number-peptides
Reviewed: 2026-09-22