b12 injections cyanocobalamin Vitamin Injectable Solution for Horses, 5000-mcg, 100-mL - Easy Refills Cyanocobalamin B12 Injection Vitamin B12 Injection at a

10.1016/j.clinthera.2023.09.003 47 RochoyM.DanelA.ChazardE.GautierS.BerkhoutC

Oral Supplements Cyanocobalamin tablets (common) Methylcobalamin (easier to absorb) B12 sprays or dissolvable tabs Pros: Easy to take No needles Affordable Cons: Absorption varies Not ideal for GI conditions Food Sources Liver (highly concentrated) Eggs Red meat Cheese Shellfish and fish Plant-based

Minor inflammation or soreness occurs because the needle punctures muscles and tissues, potentially causing localized irritation

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