Physcomitrella apparently lacks any chloroplastic isoform indicating that AsA reduction in the plant exclusively occurs in cytosol (Drew et al., In order to protect against the deleterious effects of ROS, the AsA pools are required to be maintained in a reduced state
When you're checking the label, the key inclusions for you to look for are: iodine (150 g), vitamin B12 (preferably methylcobalamin), zinc, selenium, and choline
If you choose to take your supplement with food, it may be best to avoid excessively fatty meals
This allows it to cross cell membranes intact, where it is converted into active glutathione inside the cell
But there is other forms of folate that do other things like we talked about earlier of uracil going to thymine
doi:10.1155/2020/6805354 Lee E, Padgett B