after my second injection of b12 i felt better Why do feel worse a injection? How Long Does B12 Injection

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This means there are millions of people likely struggling with B12 deficiency who dont even know it, especially the elderly and people who avoid eating animal products (vegans and vegetarians)

But for some people, B12 can cause gastrointestinal disruption that lands you in the bathroom

doi: 10.1523/JNEUROSCI.0984-06.2006

Diagnosis Code: D51.0 Vitamin B12 deficiency anemia due to intrinsic factor deficiency Procedure Codes: 96372 Injection J3420 Injection, vitamin B-12 cyanocobalamin, up to 1000 mcg Billing Tip: B12 shots are often denied if not linked to a long-term diagnosisalways reference the confirmed deficiency