Scientifically tested & proven. Because Royal Green Algae oil is not from fish, there is absolutely no chance of ingestion of any contaminants from the ocean. Contains 200 mg of DHA per 1 vegetarian capsule. The intake of DHA (docosahexaenoic acid) by the mother contributes to the normal development of the eyes & brains of the fetus & breastfed infants (these beneficial effects are obtained with a daily intake of 200 mg of DHA in addition to the recommended daily intake for Omega-3 fatty acids for adults, ie 250 mg of DHA & EPA). Not only mothers can take algae oil, also elderly & vegetarians, we recommend this supplement with DHA.