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22,23 In patients with a normal or low-normal serum vitamin B 12 level, complete blood count results demonstrating macrocytosis, or suspected clinical manifestations, a serum methylmalonic acid level is an appropriate next step 1,2,6,18 and is a more direct measure of vitamin B 12 's physiologic activity
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Cost: The cost of injections, especially if administered regularly, can be higher than oral supplements
For belly injections, work around the navel in a clock pattern
Retatrutide is an investigational medicinal product (IMP) accessible only through authorised clinical trials
