do b12 injections cause constipation Vitamin for Wellness Can Vitamin B12 Cause Diarrhea
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Food and Drug Administration (2023)

Its important to follow the treatment schedule recommended by your healthcare provider
Its key to ensuring your brain receives the nutrients it needs

Nutrient deficiency can lead to many health problems, such as a weakened immune system, indigestion, skin problems, heart problems, eye problems, and defective bone growth
