My husband and son had to take the PCR test. So they've taken NAC for a week to protect themselves. N-acetyl cysteine (NAC) comes from the amino acid L-cysteine. If there are graphene oxide nanoparticles in the swab, NAC will help detoxify you.

My husband and son had to take PCR test. So they've taken NAC for a week to protect themselves. N-acetyl cysteine (NAC) comes from the amino acid L-cysteine. If there are graphene oxide nanoparticles in the swab, NAC will help detoxify you.