The majority of fish oil takers are getting just a fraction of a good daily dose because they take what is recommended on the label of the bottle. When taking a food grade quality fish oil you need to take between 5-10 capsules of fish oil on a daily basis to obtain the recommended amount. br br Pharmaceutical grade fish oil supplements like that from Doctor's Holistic Rx contain a higher amount of omega 3 fatty acids. You need to take just two capsules of pharmaceutical grade fish oil on a daily basis to get the recommended amount of omega 3 fatty acids.