Crystagen vs Livagen
Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.
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Crystagen
Khavinson immune bioregulator
Livagen
Khavinson liver bioregulator
About Crystagen
A Khavinson tripeptide bioregulator (EDP) derived from spleen extract, studied for immune-system aging research.
About Livagen
Livagen is a Khavinson tetrapeptide bioregulator (Lys-Glu-Asp-Ala / KEDA) originally isolated from liver tissue extracts in Russian gerontology research. It has been studied in animal and cell-culture models for hepatocyte function, chromatin decondensation in lymphocytes, and liver-related ageing parameters, alongside other organ-targeted Khavinson peptides such as Pancragen and Cortagen. Sold by research-peptide vendors at 5–20 mg vial sizes for laboratory work; not approved by FDA, MHRA, Health Canada, or TGA for human use. Research-use only — Pepticker does not provide medical advice and this entry summarises published preclinical research, not a dosing protocol.