The majority of fish oil takers obtain only a fraction of a good daily dose because they just take what is indicated on the bottles label. If you are taking a low quality fish oil capsules you need to take anywhere from 5-10 softgels of fish oil daily to obtain the best dosage. br br Pharmaceutical grade fish oil supplements like that from Doctor's Holistic Rx contain a greater percentage of omega 3 fats. You can take just 2 capsules of pharmaceutical grade fish oil daily to get the best dosage of omega 3 fats.