Fish and fish merchandise are among the greatest dietary sources of vitamin D. Fatty fish like salmon and herring include the best amounts . Fish and omega-3 fatty acids may aid other psychological situations, similar to bipolar dysfunction . Numerous managed trials additionally reveal that omega-3 fatty acids might struggle melancholy and considerably improve the effectiveness of antidepressant medications . The omega-3 fats docosahexaenoic acid is particularly important for brain and eye development . Omega-3 fatty acids are essential for progress and development.