On average, 100 grams of naturally caught salmon contain up to 988 IU of vitamin D.
For farmed salmon, this figure is 250 IU of vitamin D.
Herring and sardines: Fresh herring provides 216 IU per 100 g. Pickled herring is also an abundant source of vitamin D with 112 IU/100g.
However, because it is a canned food, pickled herring also contains a lot of sodium.
Parents need to consider before giving them to their babies.