b12 injections side effects weight gain Vitamin How To Give B12 Injection

PMID 35691683

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Ensure you select needles that come individually packaged and sterilized

Heres why: Ongoing Absorption Issues: Many people have conditions that impair their ability to absorb B12 from food or oral supplements, such as pernicious anemia or gastrointestinal disorders

This simple check is one of the most important safety measures to prevent complications and ensure the vitamin is delivered correctly into the muscle or fatty tissue, not the bloodstream

[55] Vitamin B 12 serum levels are used to detect its deficiency, but do not distinguish its causes