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What should I do if my tirzepatide arrives with a damaged cold pack

If you're deficient and feeling tired all the time, getting your levels up might give you energy to be more active

The observation of reticulocytosis which usually occurs between the third and tenth day of therapy confirms the diagnosis of vitamin B12 deficiency

These side effects usually disappear within a day or two

It all comes down to absorption

There is around a 2.5-fold increase in B12 deficiency incidence in those treated with metformin, and this may occur as early as 3 months, although hepatic stores of vitamin B12 may take 5 years or more to deplete (Bell, 2022)