Focus on the best nutrients foods while you are breastfeeding. This will give fuel to milk production. Always opt for protein rich foods. Hence the best nutrients food for lactating mothers are as follows- Lentils, beans, lean meat, eggs, fruits, vegetables etc. choose a variety of whole grains. Choose citrus foods such as citrus fruits. Consume good sources of calcium such as dairy products and dark green vegetables. Your baby needs vitamin, calcium and lots of proteins. So while breast feeding you should take the foods that include nutrients and vitamins.