One of the little known nutrition facts about wild salmon is that it contains high concentrations of of the fat soluble antioxidant and carotenoid astaxanthin. The red color of salmon is a by product of the presence of astaxanthin. Its uncommon molecular structure is a cofactor in the provision of antioxidant benefits. Keep in mind that the amount of astaxanthin is usually far less in farm raised salmon than in wild salmon.
Salmon is also a well known source of EPA / eicosapentaenoic acid and DHA / docosahexaenoic acid which are omega 3 fatty acids providing a long list of nutritional health benefits. Similar to astaxanthin, the volume of EPA and DHA omega 3s is known to be lower in farm raised salmon in comparison to wild salmon.
Salmon is a strong nutritional food source of Vitamin D. Researchers continue to accumulate a large body of evidence pointing to the numerous health benefits of Vitamin D and the potential health challenges that can arise from a Vitamin D deficiency.
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