DHA-rich algae oil is the best one because only omega-3 DHA provides cognitive benefits.  DHA-poor fish oils are supposed to boost our brain power, but do the facts really stack up?  

John is nine years old. A year ago, he was falling behind in his schoolwork, particularly reading – which he found a struggle. He had little interest in studying and would crash on the sofa to watch TV when he got home from school. DHA deficiency is likely. Are you taking precautions?