The source of nutrients and non-nutritive substances in sole are proteins, omega-3 fatty acids, selenium, phosphorus, iodine, vitamin B12, niacin, and vitamin B6. Sole is a white fish (1.3 g of lipids per 100 g of edible portion), with very appreciated lean meat. It is a source of omega-3 polyunsaturated fatty acids and high biological value proteins. Among minerals, it is a source of selenium, phosphorus, and iodine. In terms of vitamins, sole is a source of vitamin B12, niacin, and vitamin B6. A serving of sole provides 55% of the recommended vitamin B12 intake for men and women aged 20 to 39 with moderate physical activity.