Summary: Vitamin B12 supplementation in elderly patients is generally safe and well-tolerated, with most side effects being mild and transient, such as injection site reactions or minor gastrointestinal symptoms
Some tests that were done to diagnose or stage the cancer may be repeated to see how well the treatment is working
Two blood samples were taken 60 min before and 60 min after the product intake for assessment of glycine, total cysteine, GSH-T, GSH-F, GSH-F:GSSG in whole blood and glycine, total cysteine, cystine, MDA in plasma
(5) Grabarevic Z, Tisljar M, Artukovic B, Bratulic M, Dzaja P, Seiwerth S, Sikiric P, Peric J, Geres D, Kos J
demonstrated a doubling of plasma GSH (1530 mol/L) within 120 minutes after oral administration in rats, 7 and demonstrated dietary GSH is absorbed through a principal absorption site in the jejunum