Mercia Research Limited

Overview

Mercia Research Limited sells research peptides such as BPC-157, TB-500, KPV, NAD+, tesamorelin, GHK-Cu and Semax. Its COA page links batch-specific Janoshik Analytical reports hosted on janoshik.com, covering purity, endotoxin and heavy metals, and says the batch numbers match the reports. The range includes a factory-sealed pre-filled 'Mercia Pen' and cartridges. Companies House lists the company as active, incorporated 29 April 2026, with a registered office on Great Portland Street, London.

Capabilities

• Lab-hosted Janoshik reports
• Endotoxin and heavy-metal testing
• Batch-matched COAs
• Pre-filled pen formats

Quality signals

Sources

• merciaresearch.com/
• merciaresearch.com/coa
• merciaresearch.com/terms
• find-and-update.company-information.service.gov.uk/company/17189709