glutathione vs nadp Redox potentials of NAD(P), glutathione, and ascorbate couples. Adapted Glutathione oxidation and reduction reaction

These branded products remove the unit-conversion step but are significantly more expensive than compounded vials and less flexible for non-standard dosing

(2020) Oxidative stress and gut-derived lipopolysaccharides in children affected by paediatric autoimmune neuropsychiatric disorders associated with streptococcal infections, BMC Pediatrics , 20(1)

See Table 11.7 Selenium Contents of Various Foods for the selenium content of various foods

Side effects and cautions B12 has no established upper limit due to low toxicity, but injections can have side effects: Common: soreness, redness or swelling at the injection site