glutathione found in Treatments 101: Part 1 — The Mother of All Antioxidants Glutathione to reverse aging?
Description
I draw it up in a 1 cc syringe and slowly give it to her
In another study 13 of patients with known pernicious anemia who had not received maintenance vitamin B 12 injections for months to years, the rise of methylmalonic acid and homocysteine levels was found to precede the decrease in serum vitamin B 12 and the decline in hematocrit

As of this publication date, that is a proposal rather than a final determination, and it concerns pharmacy compoundingnot a direct ruling on these dietary-supplement products
Which is better, glutathione tablets or vitamin C capsules

& Spaeth, P

By keeping the "inner skin" of your blood vessels smooth and functional, glutathione helps the body regulate its own pressure more effectively