how many vitamin b12 injections Best Injection Site: Administering B12 Shots Cyanocobalamin (B12) Injection 1000 mcg/mL,

Wellness 10 July 2025 6 min read How often can you get vitamin B12 injections

Research published in Journal of Clinical Biochemistry and Nutrition indicated that methylcobalamin leads to higher and more sustained tissue retention compared to cyanocobalamin, especially in neurological tissues

[DOI] [PMC free article] [PubMed] [Google Scholar] 162.Anderson RM, Shanmuganayagam D, Weindruch R

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Consider intramuscular vitamin B 12 injections instead of oral replacement for suspected or confirmed vitamin B 12 deficiency caused by diet if: The person has another condition that may deteriorate rapidly and have a major effect on their quality of life (for example, a neurological or hematological condition such as ataxia or anemia)

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