Comfrey root stands out for its analgesic properties. Trials involving patients with muscle mass pain, together with acute myalgia and back again soreness, observed comfrey's performance as a topical remedy for soreness administration. Canada: Overall health Canada allows the sale of comfrey in topical formulations but advises against interior use https://connergmput.lotrlegendswiki.com/710518/not_known_factual_statements_about_comfrey_medicinal_properties