Share this postDr. Grouf'sVitamin C with BioflavonoidsCopy linkFacebookEmailNotesMoreVitamin C with BioflavonoidsDr. Grouf's Health ProtocolsJul 19, 202214Share this postDr. Grouf'sVitamin C with BioflavonoidsCopy linkFacebookEmailNotesMore1ShareI recommend using vitamin c 500mg with bioflavonoids (at least 200 mg) for the protocols. Make sure your version has a decent amount of bioflavonoids. This has 500mg+200mg