DHA is everywhere these days-and thank goodness-because it provides potent support for brain development and visual function. Nordic Naturals Children's DHA is a small, chewable cod liver oil supplement flavored with strawberry essence. It's a delicious way for children ages three and up to supplement their diet with the essential brain nutrient, DHA. Molecularly distilled for purity, Children's DHA contains only naturally occurring vitamins A and D.