OMAPURE offers one of the purest Omega-3 supplements on the market with a 70% concentration of EPA and DHA, the two main active ingredients in Omega-3. This ultra pure concentration means consumers need to take less OMAPURE softgels than lower quality brands. Higher purity also results in a better taste and fewer side effects.OMAPURE's molecularly distilled fish oil is the only one verified by USP (United States Pharmacopeia), the official public standards-setting authority for all prescription and OTC drugs in the US.Since most Omega-3 is sourced from fish oil, it is critical to ensure the absence of mercury and other dangerous contaminants. Each and every OMAPURE batch is tested by the world's most stringent third party Omega-3 testing lab, IFOS (International Fish Oil Standards) and each batch has received the highest 5 star rating from IFOS.OMAPURE is the most economical choice at the premium end of the market.