NAC’s Crucial Role in Preventing and Treating COVID-19It has a long history of use to help prevent liver damage, and more recently as a treatment for flu viruses. Now researchers have discovered its lifesaving value for COVID-19.Dr. Joseph MercolaNov 21, 2021∙ Paid231ShareContinue reading this post for free, courtesy of Dr. Joseph Mercola.Claim my free postOr purchase a paid subscription.