Most antibiotics, methotrexate, and pyrimethamine invalidate folic acid and vitamin B12 diagnostic microbiological blood assays
J Clin Psychopharmacol
Some of the best dietary sources of B12 include [3]: Beef Turkey Salmon, tuna, and clams Eggs Milk, yogurt, and cheese Nutritional yeast Fortified breakfast cereals Bananas and strawberries Spinach Kidney beans Due to dietary restrictions, vegetarians and vegans are at risk of low levels of B12
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Vitamin B12 participates in the synthesis of methyl groups required for the synthesis of purine and pyrimidine bases constituents of nucleic acids and in the production of the coenzyme methylcobalamin, which is necessary for methylation reactions
Conclusion Vitamin B12 injections present an opportunity to address various health challenges faced by the elderly