Beef can contain more than 10x the vitamin B-12 than chicken: https://tools.myfooddata.com/nutrient-ranking-tool/vitamin-b12/meats/highest/ounces/common/no
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Beef can contain more than 10x the vitamin B-12 than chicken: https://tools.myfooddata.com/nutrient-ranking-tool/vitamin-b12/meats/highest/ounces/common/no