can b12 injections increase ferritin levels Vitamin Injection Dosage A B12 deficiency or iron
A B12 deficiency or iron deficiency can cause your hemoglobin to drop, causing you to feel fatigue. Ferritin is the most accurate blood test you can take if you're feeling like your iron levels may be Vitamin B12 PMC Are Vitamin B12 Shots Right for You? What to do if ferritin (iron storage protein) and vitamin B12 levels are elevated but all other lab results are normal?
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