The majority of fish oil takers are getting just a fraction of a good daily dose because they only take what is recommended on the label. For a low quality fish oil supplements you should take anywhere from 5-10 capsules of fish oil on a daily basis to get the optimal amount. br br Pharmaceutical grade fish oil products like that by Doctor's Holistic Rx contain a higher amount of the omega 3 fats. You need to take just two softgels of pharmaceutical grade fish oil on a daily basis to get the optimal amount of the omega 3 fats.