About

Research-grade, reported honestly.

Mercia Research is a British research-grade peptide company. Our compounds are made for laboratory and scientific in vitro research, held to purity standards of ≥99% by HPLC and confirmed by mass spectrometry, with lot-matched certificates of analysis.

Just as important as the material is the reporting around it. For every compound we supply, we summarise the published research as it actually stands — including where the evidence is thin, contested, or limited to animal models.

Methodology

We draw on peer-reviewed journals and public trial registries, and we grade the strength of human evidence explicitly — from foundational pharmacology through to human randomised controlled trials.

Every research summary links to its source so you can read the primary literature yourself. Where a compound has little or no human data, we say so plainly rather than implying efficacy or safety.