Krill oil is made from krill, a small, shrimp-like crustacean that inhabits the cold ocean areas of the world. Despite their small size, krill make up the largest animal biomass on the planet. There are approximately 500 million tons of krill roaming around in northern seas.
Krill oil, like fish oil, contains omega-3 fats such as eicosapentanoic acid (EPA) and docosahexanoic acid (DHA). However, in fish oil, these omega-3 fats are found in the triglyceride form. In krill oil, they are found in a double-chain phospholipid structure. The fats in human cell walls are in the phospholipid form.
The phospholipid structure of the EPA and DHA in krill oil makes them much more absorbable. Krill oil also contains vitamin E, vitamin A, vitamin D, and canthaxanthin, which is a potent antioxidant.
The antioxidant potency of krill oil is, in terms of ORAC (Oxygen Radical Absorptance Capacity) values, 48 times more potent than fish oil.
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