https://www.coamerlin.com/Chaga/ResourceCenter/Files/ResearchCenter/Chaga%20mushroom%20extract%20inhibits%20oxidative%20DNA%20damage%20in%20human%20lymphocytes%20as%20assessed%20by%20comet%20assay.pdf
This is laboratory data from my web site, http://www.mychaga.com/ebinc