My daughter was allergic to so much that I would never had figured it out only cutting a couple of things. I cut out wheat, dairy, soy, tomatoes, citrus, gluten, apples....then added them back one at a time. Adding them back is how you figure it out. I don't think I ever cut out eggs.....she was allergic to all but soy. I later found gluten was ok just not oats or wheat. I had trouble with low supply too. The main thing you need for milk production is fat. Find something with lots of fat (mine was eggs and avocado) and eat lots of it. HTH