b12 deficiency injections side effects Injection Effects: What to Expect Why Do I Feel Worse

First, a milligram figure means nothing without its route and its vial concentration attached an oral capsule amount cannot be carried across to a reconstituted injection, and the reverse is equally wrong

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This makes it great for patients with cyanide poisoning , as it can help as an antidote

However, injections are much more efficient for a number of reasons: Higher Absorption Rate : B12 Injections directly bypass the digestive system so that the Vitamin B12 gets absorbed by the body as efficiently as possible

Journal of Inherited Metabolic Disease

Most patients describe the sensation as a brief pinch or mild sting, with only slight soreness or tenderness at the injection site that fades within a day