I know my folate will be low, I was on methotrexate for years for RA
In addition to risk of vitamin B12, calcium, iron and magnesium malabsorption, there is evidence that acid suppression by PPIs increases risk of malabsorption of other important vitamins and minerals as well, including vitamin C, zinc and folic acid.[231- 235] Proton pump inhibitor therapy lowers the concentration of vitamin C in gastric juice and the proportion of the vitamin in its active antioxidant form i.e., ascorbic acid
Methylcobalamin is another non-prescription form popular in wellness settings, with more limited clinical evidence than hydroxocobalamin for treating true deficiency
They are not intended for human or veterinary use, medical advice, dosing, administration, treatment, or promised outcomes
Dosages are patient-specific but generally fall within a well-established therapeutic window