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For those with ME/CFS, autoimmune disorders, and degenerative neurological diseases like Parkinsons and Alzheimers, I advise aiming for no less than 500 pg/mL, with an optimal of at least 750 pg/mL
Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B 12diagnostic blood assays
PMC 3650358
Never disregard professional medical advice or delay in seeking it because of something you saw or read on my website
The wide deficiency prevalence range reported among vegans 5 to 52% in a 2024 Proceedings of the Nutrition Society study reflects the dramatic difference between those who supplement consistently and those who do not
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