Vitamin B12: 84.1 mcg in 3 ounces of cooked clams (1,402% of your DV)
Vitamin B12: 21.84 mcg in 3 ounces of cooked oysters (364% DV)
Other body benefits: Oysters contain more zinc than any other food—a whopping 32 mg in six raw oysters, 400% of your RDA. The essential mineral supports your immune system by helping fight off colds. Another benefit? Zinc can encourage testosterone production, which may improve libido and help women’s ovaries stay healthy.