b12 pill vs injection Injections vs. Oral Supplements: Which Is Better? vitamin b12 tablets vs injection

Protect from Light: Store the vial in a dark location at all times, as cyanocobalamin breaks down quickly when exposed to direct or UV light

What can I expect after an IM Injection

I chose to use the upper side of my thigh

This is because shots enable the body to absorb vitamin B12 without going through the digestive system

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Additional risk factors include: Chronic kidney disease : Reduced renal clearance may impair B12 excretion Liver disease : Hepatic dysfunction can disrupt B12 metabolism and storage Myeloproliferative disorders : Certain blood cancers increase B12-binding proteins Concurrent medication use : Some drugs may interact with B12 metabolism, including metformin, proton pump inhibitors, and H2 antagonists Patients with these conditions should have B12 supplementation carefully monitored by their healthcare team