Value Per Nutrient Food 91.40 mcg 100 grams Selenium, Se Beef, variety meats and by-products, spleen, cooked, braised 90.80 mcg 100 grams Selenium, Se Seal, bearded (Oogruk), meat, dried, in oil (Alaska Native) 90.60 mcg 100 grams Selenium, Se Fish, tuna, fresh, yellowfin, raw 90.40 mcg 100 grams Selenium, Se Chicken, stewing, giblets, cooked, simmered 89.60 mcg 100 grams Selenium, Se Mollusks, whelk, unspecified, cooked, moist heat 89.60 mcg 100 grams Selenium, Se Mollusks, cuttlefish, mixed species, cooked, moist heat 89.60 mcg 100 grams Selenium, Se Mollusks, octopus, common, cooked, moist heat 89.60 mcg 100 grams Selenium, Se Mollusks, mussel, blue, cooked, moist heat