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Classification by Origin Classification by Generation These classifications matter because they determine compatibility with other ingredients, stability in formulations, and optimal use cases
(2013) Pernicious Anemia: For Patients and Visitors Penn Medicine (2022) How to choose the right B12 for you. MTHFR Support Australia (2010-) Randomized, Placebo-Controlled Trial of Methyl B12 for Children with Autism. Journal of Child and Adolescent Psychopharmacology
Other autoimmune disorders, especially thyroid disease, diabetes mellitus, and vitiligo, are also commonly associated with pernicious anemia
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