PCOS Foods to Eat (and the Few Worth Limiting)

There is no single PCOS diet, and that is good news. The 2023 international PCOS guideline found no evidence that any one type of diet works better than another. So the best PCOS foods to eat are everyday whole foods you can keep eating: protein at every meal, high-fiber carbs, lots of vegetables and some healthy fat, with a short list of foods worth limiting.

A quick note on the name: in 2026, an international group of experts renamed PCOS to polyendocrine metabolic ovarian syndrome, or PMOS. The new name reflects that this is a whole-body hormonal and metabolic condition, not just an ovary condition. The switch will happen gradually over a few years, so you will see both names for a while. I use PCOS here because it is still the name most people search for, but everything in this article applies to PMOS.

Most PCOS food lists online are long lists of "never eat this." I see where that leads in my practice: people cut out half their kitchen, feel deprived for a few weeks, and then feel like they failed. I want to give you something different, a list of what to add, a much shorter list of what to limit, and how to put them together on a plate.

Key takeaways

• No diet type has been shown to be best for PCOS. Any eating pattern that follows general healthy eating guidelines has health benefits.
• Build meals around protein, high-fiber carbs, vegetables and healthy fats. These help steady blood sugar and appetite.
• Carbs are not the enemy. Pair them with protein and fiber instead of cutting them out.
• The foods worth limiting are a short list: sugary drinks, sweets on their own, and highly processed snacks.
• You do not need to cut out dairy or gluten unless you have a diagnosed allergy, intolerance or celiac disease.

Is there a best diet for PCOS?

This is the question I hear most, so let me start with what the evidence says. The 2023 International Evidence-based Guideline for PCOS, written by experts from around the world, reviewed the research on diet. It concluded there is no evidence to support any one type of diet composition over another, and that any diet consistent with population guidelines for healthy eating will have health benefits.

That means you do not need keto, a no-sugar challenge or an expensive meal plan. You need a way of eating that supports steady blood sugar and that you can actually keep doing on a busy Tuesday. The foods below are how I help clients get there.

What should I eat more of with PCOS?

Think of your plate in four parts. Each one has a job.

Protein at every meal

Protein helps keep you full and slows how quickly carbs hit your bloodstream. Good options:

• Fish and seafood, like salmon, sardines, tuna and shrimp
• Eggs
• Chicken and turkey
• Plain Greek yogurt and cottage cheese
• Tofu, tempeh and edamame
• Beans and lentils, which give you protein and fiber at once

High-fiber carbs

Fiber slows digestion, which helps blood sugar rise more gently. These are the carbs I want on your plate:

• Oats and oat bran
• Lentils, chickpeas and black beans
• Quinoa, farro, barley and brown rice
• Whole-grain bread and pasta
• Sweet potatoes and potatoes with the skin on
• Berries, apples, pears and oranges

Vegetables, as many as you like

Vegetables add fiber and volume with very few calories. Leafy greens, broccoli, cauliflower, peppers, zucchini, carrots, tomatoes and green beans all count. Frozen vegetables are just as good as fresh and much easier on a weeknight.

Healthy fats

A serving of fat at meals adds flavor and helps you feel satisfied. Try olive oil, avocado, nuts and nut butters, and seeds like chia, flax and pumpkin seeds.

The NIH also notes that cutting back on foods that can increase inflammation may help with PCOS. In practice, the foods above are the same ones that come up again and again in anti-inflammatory eating patterns: fish, beans, vegetables, fruit, whole grains, nuts and olive oil.

What foods are worth limiting?

I say limiting, not banning, on purpose. These foods are not off-limits, but they make blood sugar and appetite harder to manage when they show up often or on their own:

• Sugary drinks, like soda, sweet tea, energy drinks and large sweetened coffee drinks. Sugar in liquid form hits fast and does not fill you up.
• Sweets and pastries eaten on their own, like a muffin or a few cookies as breakfast or an afternoon snack.
• Highly processed snack foods, like chips and packaged snack cakes, especially when they replace a meal.
• Large portions of refined white bread and crackers, which digest quickly without much fiber or protein.

If you love one of these, keep it. Enjoy it after a meal that has protein and fiber, rather than on an empty stomach, and it will sit much more gently.

How do I put PCOS foods together?

How you combine foods matters more than any single food. I walk through the full plate method in my realistic PCOS diet for insulin resistance, but here is the short version: pair every carb with a protein and some fiber.

A day might look like this:

• Breakfast: Plain Greek yogurt with berries, a spoonful of chia and a sprinkle of oats.
• Lunch: A big salad with greens, chickpeas, grilled chicken, quinoa and an olive oil dressing.
• Snack: An apple with peanut butter, or cottage cheese with sliced peaches.
• Dinner: Salmon, roasted broccoli and sweet potatoes, with a drizzle of olive oil.

Nothing here is special or expensive. It is ordinary food arranged so that every meal has protein, fiber and a little fat.

Do I need to cut out dairy or gluten?

Not unless you have a diagnosed allergy, intolerance or celiac disease. The 2023 guideline does not recommend removing any food group for PCOS. Cutting out foods without a reason makes eating harder and can leave gaps in calcium, fiber and protein. If you think a food bothers you, it is worth working through it with a dietitian so you do not give up more than you need to.

Does food alone fix PCOS?

Food is a powerful tool, but it is one part of the picture. The NIH notes that for people with PCOS who have overweight, losing even a small amount of weight can help restore ovulation and make cycles more regular, and that being more physically active can help with many PCOS symptoms. Sleep, stress and any treatment from your doctor matter too. If you are weighing medication, I share how I think about that in PCOS weight loss before and alongside a GLP-1.

Want a plan built around you?

A food list is a great start, but PCOS looks different for everyone. If you would like help turning this into meals that fit your schedule, your budget and the foods you actually like, you can book a free intro call and we will build it together.

Sources

• Teede HJ, et al. Recommendations From the 2023 International Evidence-based Guideline for the Assessment and Management of Polycystic Ovary Syndrome. Journal of Clinical Endocrinology and Metabolism, 2023.
• Endocrine Society. Polyendocrine Metabolic Ovarian Syndrome: New name to improve diagnosis and care of condition affecting 170 million women worldwide, 2026.
• Eunice Kennedy Shriver National Institute of Child Health and Human Development (NIH). What are the treatments for PCOS?