where does the vitamin b12 injection go Sites: All You Need to Know Best Vitamin B12 Injection Sites:
Description
Serious Vitamin B12 deficiency can result in decreased number of red blood cells (anemia), stomach or intestinal diseases and permanent nerve damage

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Any problems with the stomach as well as stress, inflammation, allergies and aging can reduce the production of hydrochloric acid and intrinsic factor

What we do not yet know Critical gaps remain in the evidence base
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Frequently Asked Questions What is the role of Vitamin B12 in fertility
