Question: egg yolks are a good food source for?
Answer: Eggs are rich sources of selenium, vitamin D, B6, B12 and minerals such as zinc, iron and copper. Egg yolks contain more calories and fat than the whites. They are a source of fat-soluble vitamins A, D, E and K and lecithin, the compound that enables emulsification in recipes such as hollandaise or mayonnaise.