Sealogix Fish Oil from Cardioresults - Pharmaceutical Grade fish Oil Supplements

This fish oil features an IFOS (International Fish Oil Service) rating of 5. IFOS is an independent, third-party fish oil reviewer. This fish oil comes in either capsules or liquid.
 

Fish Oil, high grade supplements - Ultra Pure Fish oil

This site features ultra refined or "pharmaceutical grade" fish oil supplements that has one of the best purity levels of any brand. There is also a very informative fish oil 'frequently asked questions'section here as well. This is a good choice if you are shopping for top quality fish oil supplements.