But people shouldn’t take more than 3 grams of DHA or other omega-3 fatty acids daily, and no more than 2 grams daily should come from a dietary supplement. Taking more than 3 grams daily of DHA and other omega-3 fatty acids is possibly unsafe. Doing so might slow blood clotting and increase the chance of bleeding.

How much DHA per day is too much?

Too much omega-3 can be harmful The Food and Drug Administration (FDA) claims that omega-3 supplements containing EPA and DHA are safe if doses don’t exceed 3,000 mg per day. On the other hand, the European Food Safety Authority (EFSA) notes that up to 5,000 mg per day from supplements is safe.

Can too much DHA harm my baby?

You do not need to take more than 1000mg of DHA plus EPA per day. The research shows that taking more than 1000mg per day will not give you or your baby any extra benefit.