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What Exactly are the Vitamin B12 Shots
Three to four weeks People with good absorption may still experience benefits, though many improvements linked to deficiency settle down sooner
For example, older people (because absorption declines with age) and those with gut-related conditions such as celiac disease and Crohns disease may struggle to absorb enough vitamin B12 to stave off symptoms of a deficiency, says Foxx
Vitamin B12 protects the aging brain
Demian explains
Insurance coverage for B12 injections can vary greatlysome insurers may cover the injections if deemed medically necessary, such as for diagnosed deficiencies or associated conditions, while others classify these injections as elective and may not provide coverage
