glutathione autism link Frontiers Leucovorin (Folinic Acid) and Autism:
Description
However, a course of injections particularly the course of 12, structured as once weekly for six weeks followed by monthly maintenance builds and maintains consistently higher B12 levels over time

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[DOI] [PMC free article] [PubMed] [Google Scholar] 74.Rajagopal T., Seshachalam A., Rathnam K.K., et al

Pharmacol Rep 2011, 63 (4), 849858

You can really feel the difference in b12 shots
