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Cognitive function and memory may show marked improvement

More serious deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes

It is used to treat vitamin B12 deficiency, anemia, and certain nerve damage conditions

Regarding plasma B12 - this is not the case, serum B12 often remains highly elevated (well over the normal range) even while symptoms return - this is why testing B12 once treatment begins is not recommended

For detailed comparison, see our semaglutide vs tirzepatide guide and use our semaglutide dosage calculator for proper dosing