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The risk of vitamin B12 deficiency is higher in patients with T2D receiving high metformin doses for an extended period or in the presence of other known risk factors associated with vitamin B12 deficiency, such as advanced age and regular use of acid-suppressing medications

When free radicals attack these delicate energy factories, your power output naturally drops

Elevated MMA indicates functional B12 deficiency even when serum B12 looks normal

Thomas T, Stefanoni D, Reisz JA, Nemkov T, Bertolone L, Francis RO, et al

This doesn't mean high doses are safe or advisable

I have been diagnosed with a vitamin D deficiency around the same time as I was diagnosed with B12 deficiency all those years ago, and I have recently gone onto a high strength vitamin D tablet, Im wondering if that could also be depleting my potassium