Information indicated that comfrey is mutagenic in rat lung and that mutagenicity of comfrey in rat lung effects with the genotoxicity induced by PA existing while in the plant (Mei & Chen, 2007). . Allantoin is ready to accelerate mobile mitosis (this means it hastens the process of new tissue https://claytoncolgz.madmouseblog.com/7609764/examine-this-report-on-comfrey-medicinal-properties