Oral vs. Intramuscular Vitamin B12 in Vitamin B12 Deficiency The Blood Project How to Give a B12 Injection: Step By Step Instructions What You Need to Know About Vitamin B12 Duane NP Vitamin B12: How Frequently Should I Get It? URBAN Medical Fishersville, VA and Gilbert, AZ B12 Folate normal ranges in blood work can be between 220 and 1200. I personally think anything under 600 is too low. B12 injections are the best (by pass digestion) and you can
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