Dairy products can be included in a healthy PCOS meal plan as long as you are not lactose intolerant or allergic to milk. Low-fat milk, yogurt, and cheese are good sources protein and calcium and can be a healthy choice for many people, including those with PCOS. However, don’t feel like you have to include dairy in your meal plan if you don’t want to and are able to get calcium from other sources. Non-dairy sources of calcium include dark green vegetables, nuts, seeds, and fortified products such as orange juice and soy milk.