n acetyl glutathione vs s acetyl glutathione Liposomal vs. S-Acetyl Glutathione: Which Is Better? – HormoneSynergy The Science Behind S-Acetyl Glutathione

Gales BJ, Gales MA

It has been suggested that the midgut is inhospitable to microbial colonization due to the continual shedding of the peritrophic membrane, however, recently it was shown that the peritrophic membrane is absent or greatly reduced in foragers (Harwood and Amdam, 2021), which may leave the tissue vulnerable to microbial opportunism

Notably, a recent study identified L-lactylation as the primary form induced by hypoxia in tumors, linking it to hypoxia markers and tumor malignancy

So some kids might not be eating enough foods rich in B12, or they also might be eating the foods but have trouble absorbing them due to digestive issues in their gut