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How to Safely Administer B12 Shots at Home Self-administering B12 injections at home requires proper training, technique, and adherence to safety protocols

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Atherosclerosis 191 , 235240 (2007)

Extra vitamin B12 can be stored in the liver, and only small amounts are lost through your urine, sweat, or stools each day

For another key nutrient in this space, see our guide on magnesium for anxiety and stress, which covers the GABA and parasympathetic pathways that complement what B12 does on the neurotransmitter side

It covers the provider's skill, time, preparation, and post-injection monitoring involved in delivering the injection