How Much B12 In One Serving Of Fish?
How Much B12 In One Serving Of Fish? Cooked Atlantic mackerel: 16.1 micrograms. Steamed Alaska king crab: 9.8 micrograms. Cooked wild rainbow trout 5.4 micrograms. Cooked salmon: 2.4 micrograms. Which fish is best for vitamin B12? Food Serving Vitamin B12 #6 Fish (Mackerel) View (Source) 100 grams 792% DV (19μg) #7 Kippered Herring View (Source)