vitamin b12 injection side effects jittery anxiety palpitations What Causes Effects? Caffeine gives you a jolt

Stay well-hydrated (810 glasses of water daily), especially if experiencing gastrointestinal side effects

Conclusion Learning how to give B12 injections can be a valuable skill for healthcare professionals and non-medics alike

Below are the step-by-step instructions that show how to self-inject the vitamin B12 safely

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As many as 24% of men and 29% of women reported taking a supplement (either a multivitamin that contains B12, a B-complex vitamin, or a standalone B12 supplement), according to the National Health and Nutrition Examination Survey (NHANES)

Some GI adjustment (mild nausea, fullness) is normal and passes within 2-4 weeks