Articles
Guides and analysis on ghk-cu.hu
Twelve in-depth articles by Zoltán Varga. Each one answers a single question, starting with the short answer.
In Vitro, Animal or Human? Sorting GHK-Cu Evidence by Study Type
A practical framework for placing every GHK-Cu claim on the cell-animal-human ladder before judging its validity.
What 'Upregulates Genes' Means in GHK-Cu Claims
A clear guide to reading gene-expression data without mistaking laboratory signals for proven human benefits.
Small Split-Face Studies: How to Read n=13 and n=18
A practical guide to interpreting small-scale clinical reports on GHK-Cu without overstating the evidence.
12 Questions to Ask Before Trusting a GHK-Cu Study
A practical framework for non-specialists to separate high-certainty evidence from marketing claims in peptide research.
Who Paid for the Study? Funding Bias in Copper Peptide Research
Industry-funded skin studies dominate the copper peptide field; this guide explains how to spot funding sources and assess certainty without dismissing data.
Grading GHK-Cu Evidence: A Formal Certainty Walkthrough
A step-by-step application of the GRADE framework to separate regulatory status from scientific certainty for GHK-Cu.