USDA Optimum Potency Supercritical Extract Dietary Supplement Kosher Certified Vegan Gluten Free Non GMO Project Verified Certified by Certifiers A Herb Remedies Store by Itself Certified Himalayan Sea Buckthorn seed oil (supercritical extract) is packed with more than 100 essential nutrients, including Omega 3, 6, 9, vitamins, minerals and flavonoids. High in antioxidants, great for white blood cell nurturing, it is widely used in immune support, and skin, heart, cholesterol, digestive, liver health.