Jul 07, 2019 Diet for Pregnant and Nursing Mothers. Cod Liver Oil to supply 20, 000 IU vitamin A and 2000 IU vitamin D per day, which is provided by 2 teaspoons high vitamin cod liver oil (Green Pasture brand). Additional egg yolks daily, added to smoothies, salad dressings, scrambled eggs, etc. 2 tablespoons coconut oil daily, used in cooking or smoothies, etc.