is vitamin c or glutathione better Glutathione, NAC & Glutathione Effervescent with Vitamin C,
Description
It is in the refrigerator

The liver and kidneys are an exception because they serve as storage facilities for B12

Nutrients 2022

Wilding JP

Although risen from a single common ancestor, their substrate specificity and diversity have been reshaped by gene duplication, genetic recombination, and an accumulation of mutations

Methionine biosynthesis in higher plants: biochemical and molecular characterization of the transsulfuration pathway enzymes
