dōTERRA xEO Mega Essential Oil Omega Complex is a unique formula of CPTG Certified Pure Therapeutic Grade® essential oils and a proprietary blend of marine and land-sourced omega fatty acids. Omega fatty acids help support joint, cardiovascular, and brain health, and support healthy immune function.* A daily dose of xEO Mega provides 950 milligrams of marine lipids (providing 300 mg of EPA, 300 mg of DHA, and 55 mg of other omega 3s), and a blend of 210 mg of plant-sourced fatty acids. xEO Mega also includes 800 IU of natural vitamin D, 20 IU of natural vitamin E, and 1 mg of pure astaxanthin, a powerful antioxidant carotenoid* harvested from microalgae. xEO Mega is encapsulated in a vegetarian-friendly softgel.