can b12 injections cause periods Heavy Vitamin Vitamin B12 Deficiency: Signs, Symptoms,
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For example, vegans or vegetarians may need to add an extra dose of this vitamin since natural B12 sources mainly come from meat, fish, eggs, and dairy. Risks of Excessive Vitamin B12 Intake As we've seen, vitamin B12 is highly important in the body

This essential nutrient also aids in maintaining healthy nerve and blood cells and stimulates DNA production.
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