B12 is water-soluble, so your body clears what it does not use
Second group (glutathione gel 2% with niosome): patients received glutathione topical gel with niosome on the right side of face while placebo was used as a control twice daily on the left side for 3 months
Dosage plays a significant role in effectiveness, regardless of the method you choose
Tars K, Larsson A-K, Shokeer A, Olin B, Mannervik B, Kleywegt GJ
Biochimica et Biophysica Acta (BBA) 1842:12401247 Wong HS, Dighe PA, Mezera V, Monternier PA, Brand MD (2017) Production of superoxide and hydrogen peroxide from specific mitochondrial sites under different bioenergetic conditions
thaliana MS isoforms have a variable number of cysteine residues, but only three of them are conserved, including the two zinc-binding cysteines (Figure 4 and Supplementary Table 5)