
Cod liver oil is a rich source of vitamin A and D and also contains vitamin K, antioxidants and omega-3 fatty acids. The essential fatty acids in cod liver oil convert to trans fats when heated which is a danger to your dog's health. It is for this reason cod liver oil needs to purchased and consumed raw. It is essential all raw fish oil is stored in a cool dark place as vitamins may be destroyed when exposed to light.
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