Share this postSulforaphane, broccoli sprout extract might prevent Pfizer caused Sudden Cardiac Deathdoctorgrouf.substack.comCopy linkFacebookEmailNoteOtherSulforaphane, broccoli sprout extract might prevent Pfizer caused Sudden Cardiac DeathDr. Grouf's Health ProtocolsJul 24, 20228Share this postSulforaphane, broccoli sprout extract might prevent Pfizer caused Sudden Cardiac Deathdoctorgrouf.substack.comCopy linkFacebookEmailNoteOtherShareS Suggested dosage 1 mg/day 5 days/ week