Why do some fish oils go bad, and how is Better Omega-3 different?Updated 2 hours ago

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Fish oil is prone to oxidation, and multiple studies have found that a large share of tested fish oil supplements are already rancid at the time of purchase. Omega-3 oils are delicate and can slowly oxidize (spoil) when exposed to air, heat, or light. That oxidation is what makes some fish oils smell or taste rancid.

Better Omega-3 is different in two ways. First, it's algae-sourced rather than extracted from fish. Second, it's protected by organic mixed tocopherols, a natural form of Vitamin E that acts as an antioxidant. The tocopherols help guard the EPA and DHA against oxidation, so the oil stays fresh and clean-tasting through the life of the bottle, without needing refrigeration.

The Vitamin E is a small amount (1.2mg per serving), included for stability rather than as a major source of dietary Vitamin E.