acetaminophen and glutathione Myth-busting, version. "Avoid Acetaminophen (Tylenol) because it causes depletion". Truth?? As a pediatrician ER doctor - and as moms size:2 g

Bride of the Water God, Volume 3 by Mi-Kyung Yun | Goodreads

While some ingredients used in IV hydration may be commonly used in clinical settings, your provider can help determine what is appropriate for your individual needs

bioavailability

size:2 g

and since the schilling test is no longer available the exact cause of the low b12 which is not technically the same thing as pernicious anaemia not caused by diet is probably unknown so 1mg cyancobalamin will probably help someone who can produce some Intrinsic Factor that they can absorb enough from a oral supplement but just not from food but to presume it will help everyone is absurd