US$ 27.46
are glutathione capsules safe and Side Effects: What You Need to Know for Better Health Avoiding Risks: Glutathione Supplementation Tips
Description
Some plans allow HSA or FSA use for compounded medications prescribed by a licensed provider

Unfortunately the reference range in New Zealand is lower than some other countries and 200 pg/mL and above is considered normal

But if youre not deficient in B12, taking a B12 supplement is still linked to side effects

May 17 2018;10(5)doi:10.3390/nu10050630 Fattori V, Hohmann MS, Rossaneis AC, Pinho-Ribeiro FA, Verri WA

Cancer research, 1984, 44(4): 1579-1584
