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Beef liver, cooked, pan-fried (3 ounces) Amount in micrograms (mcg): 70.7 mcg Clams (without shells), cooked (3 ounces) Amount in micrograms (mcg): 17 mcg Oysters, eastern, wild, cooked (3 ounces) Amount in micrograms (mcg): 14.9 mcg Nutritional yeast, fortified Amount in micrograms (mcg): 8.324 mcg Salmon, Atlantic, cooked (3 ounces) Amount in micrograms (mcg): 2.6 mcg Tuna, light, canned in water (3 ounces) Amount in micrograms (mcg): 2.5 mcg Beef, ground, 85% lean meat (3 ounces) Amount in micrograms (mcg): 2.4 mcg 2% milk, 1 cup Amount in micrograms (mcg): 1.3 mcg Yogurt, plain, fat free (6 ounces) Amount in micrograms (mcg): 1 mcg Breakfast cereal fortified with 25% of daily value Amount in micrograms (mcg): 0.6 mcg Cheddar cheese (1.5 ounces) Amount in micrograms (mcg): 0.5 mcg 1 large egg, whole, cooked Amount in micrograms (mcg): 0.5 mcg Turkey, breast meat, roasted (3 ounces) Amount in micrograms (mcg): 0.3 mcg Vitamin B12 Overdose: Key Takeaways Vitamin B12 is a crucial nutrient that supports a variety of important bodily functions, including red blood cell formation, neurological health, and DNA synthesis
Enjoying these foods alongside a variety of other healthy ingredients as part of a balanced diet can help ensure you meet your needs and reduce the risk of too many vitamin B12 side effects
For example, one study in 2013 concluded that alopecia is likely not associated with B12 deficiency
They can evaluate and recommend the best course of action
