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Joseph, MO 483 Issued April 21, 2009 [Internet]

Revised Date: January 18, 2023 Recommendations and Topics Scope Key Recommendations Background Epidemiology Patient Risk Factors Associated with B 12 Deficiency Patient Risk Factors Associated with Folate Deficiency Prevention Diagnosis Management Ongoing Care References Resources Appendix A: Dietary sources of cobalamin Scope This guideline covers the primary care investigation and management of cobalamin (vitamin B 12 or simply B 12 ) and folate deficiency in adults

You can find vitamin B12 in: Fish: Salmon (2.4 mcg per 3 oz) and canned tuna (2.57 mcg per 5 oz can) Red meat: Lean beef (6.9 mcg per 3 oz) Poultry: Roasted turkey (0.8 mcg per 3 oz) and ground lean turkey (1.6 mcg per 3 oz) Dairy: Low-fat yogurt (1.2 mcg per 8 oz) and low-fat milk (1.2 mcg per 1 cup) Eggs: One hard-boiled egg has 0.6 mcg of vitamin B12 When to Consider Supplementation Since red and organ meat (i.e., liver) have the highest concentration of Vitamin B12, vegetarians are at an increased risk of a deficiency