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Jensen AA, Fahlke C, BjornYoshimoto WE, Bunch L

Health does not come into the question whatsoever

[DOI] [PubMed] [Google Scholar] 3.Vina J Glutathione: Metabolism and Physiological Functions, CRC Press: Boca Raton, 1990

[11] [4] Measurable improvements in serum B12 usually occur within four to eight weeks, though normalisation may take three to six months depending on baseline severity

Physician 91 , 365371 (2015)

Copper is a required cofactor for a family of cuproenzymes, and the availability of copper to those enzymes is a plausible node through which a copper carrier could exert broad influence without a single dedicated receptor