Nordic Naturals EPA Xtra is an ultra high concentration of EPA, and the most powerful "non-prescription" omega-3 concentrate available in triglyceride form.* Nordic Naturals EPA Xtra is molecularly distilled for purity and concentration, and has added rosemary extract for superior freshness. Nordic Naturals EPA Xtra formula provides excellent nutritional support for the body to manufacture vital series 3 prostaglandins, and is