9 Best Foods for PCOS

DetoxWater Editorial Team•Published November 5, 2026

Lentils, oats and salmon are among the best foods for PCOS because they provide fiber, protein or unsaturated fats as part of a balanced diet. No single food treats PCOS, and the best choices are ones you can enjoy and sustain. For beverage ideas, see the best drinks for PCOS.

9 best foods for PCOS

The AI symptom analyzer can help you organize questions for an appointment, but it cannot diagnose PCOS or replace a clinician.

Some people with PCOS have insulin resistance, which affects how the body responds to insulin. Meals containing fiber, protein and unsaturated fats can support metabolic health, although responses vary and not everyone with PCOS has insulin resistance.

A 2020 meta-analysis of dietary trials in PCOS found improvements in measures including insulin resistance across dietary interventions. A 2021 meta-analysis of randomized trials also reported improvements in some reproductive outcomes, but dietary changes cannot guarantee regular cycles or pregnancy. These studies assessed eating patterns, not a ranked list of individual foods.

1. Lentils

Lentils provide fiber and plant protein. Their fiber can help moderate the rise in blood glucose after a meal, especially when lentils replace a lower-fiber carbohydrate food.

Add a serving of cooked lentils to soup, salad or a grain bowl, or use them in place of some meat in a sauce. Canned lentils are convenient; rinsing them can reduce some of the added salt.

Evidence: Higher-fiber eating patterns are relevant to PCOS, but the specific effect of lentils on PCOS symptoms has not been established. There is no proven PCOS-specific serving size.

2. Oats

Oats contain soluble fiber, including beta-glucan, which slows digestion and can help moderate blood glucose responses. They also offer a convenient whole-grain alternative to lower-fiber breakfast foods.

Make a bowl of plain oats and add berries, nuts or plain yogurt. Choose the amount that suits your appetite, and check flavored packets for added sugar. Rolled and steel-cut oats can both fit; there is no need to choose one solely because of PCOS.

Evidence: The rationale comes from oats’ fiber and research on overall dietary patterns. Oats alone have not been established as a treatment for PCOS.

3. Salmon

Salmon provides protein and omega-3 fats. Eating fish in place of foods high in saturated fat can support a heart-healthy eating pattern, which matters because PCOS is associated with metabolic health concerns.

Serve a portion of baked, grilled or canned salmon with vegetables and a whole grain. Frozen and canned options can be useful when fresh salmon is expensive or inconvenient. If you are pregnant, choose fully cooked fish and ask your clinician about safe fish choices.

Evidence: Research has examined omega-3-rich diets in PCOS, but the effect of eating salmon specifically on PCOS symptoms remains uncertain. It is a food choice, not a substitute for treatment.

4. Broccoli

Broccoli is a non-starchy vegetable that provides fiber and nutrients. Adding it to a meal increases its vegetable content without requiring you to eliminate carbohydrate foods.

Roast, steam or stir-fry a portion, or add frozen broccoli to pasta and soups. Pair it with a protein and a carbohydrate food for a more complete meal. Other vegetables can serve the same role if you do not like broccoli.

Evidence: Vegetable-rich eating patterns are part of general healthy eating and have been studied as components of diets for PCOS. There is no established evidence that broccoli by itself changes PCOS hormones or symptoms.

5. Berries

Berries provide fiber when eaten whole, along with vitamins and other plant compounds. Their fiber makes whole berries a useful addition to a balanced meal or snack; it does not mean that other fruits are off-limits.

Add a portion of fresh or frozen berries to oats or plain yogurt, or eat them alongside a handful of nuts. Choose unsweetened frozen berries if you want to avoid added sugar. The amount can vary with your appetite and the rest of your meal.

Evidence: Berries fit a fiber-rich eating pattern, but their individual effects on PCOS have not been established. Claims that they correct hormone levels go beyond the evidence.

6. Plain yogurt

Plain yogurt supplies protein and calcium. Protein can make a meal or snack more satisfying, while choosing an unsweetened variety lets you control whether and how much sweetness to add.

Have a serving with fruit and oats, or use plain yogurt as a base for a savory sauce. If you cannot tolerate lactose, try lactose-free yogurt; a suitable fortified alternative may also be an option. Check labels because protein content varies between products.

Evidence: There is no established need for everyone with PCOS to avoid dairy, and yogurt has not been shown to treat PCOS on its own. Choose it according to your tolerance and preferences.

7. Walnuts

Walnuts provide unsaturated fats, plant protein and some fiber. They can add texture and make a snack more filling, particularly when paired with fruit or yogurt.

Add a small handful to oats or a salad, or eat them as part of a snack. If you have a tree-nut allergy, avoid walnuts and discuss suitable alternatives with your clinician or dietitian.

Evidence: Walnuts can contribute to a balanced dietary pattern, but evidence does not establish a PCOS-specific walnut dose or show that walnuts alone improve PCOS symptoms.

8. Extra-virgin olive oil

Extra-virgin olive oil is rich in monounsaturated fat. Using it in place of some fats higher in saturated fat can support a heart-healthy diet.

Use a spoonful in a salad dressing or for cooking vegetables. It can also make meals more satisfying and flavorful. The amount that fits will depend on the dish and your individual needs; it is not necessary to drink olive oil or add it to every meal.

Evidence: Olive oil is one component of Mediterranean-style eating patterns studied in PCOS. Those studies do not establish that olive oil by itself changes PCOS symptoms.

9. Eggs

Eggs are a source of protein and can help build a satisfying meal. Combining them with fiber-containing foods can provide a broader mix of nutrients than eating eggs alone.

Pair cooked eggs with whole-grain toast and vegetables, or add them to a grain bowl. Use a portion that suits your appetite and other food choices. If you have high LDL cholesterol or another condition that affects your diet, ask a clinician or dietitian how eggs fit your needs.

Evidence: Eggs are a practical protein option, but their individual effect on PCOS is not established. They are not required for a PCOS-friendly diet.

What foods should you limit with PCOS?

Consider having foods high in added sugar less often, especially when they regularly replace more filling meals or snacks. Examples include sweets, sweetened breakfast cereals and sugary drinks. You do not need to avoid them completely: frequency, portion and your overall eating pattern matter.

Refined grains such as white bread and pastries can also fit, but choosing higher-fiber grains more often may help with fullness and blood glucose management. Pairing a refined-grain food with protein or vegetables is another practical option. Limit heavily processed meats and foods high in saturated fat in favor of a variety of protein sources and unsaturated fats.

Avoid rigid food rules that make eating stressful or cause you to skip meals. A 2025 systematic review of lifestyle interventions examined several dietary approaches, but it does not establish one required diet or a single food plan for everyone with PCOS. Healthful changes can be worthwhile at any body size and do not depend on weight loss.

Who should be careful, and when should they see a doctor?

If you have diabetes or take insulin or a medicine that can cause low blood glucose, discuss significant dietary changes with your diabetes care team. They can help you monitor safely and adjust treatment if needed; do not change or stop medication on your own.

If you are pregnant, trying to conceive, or caring for a child or teenager with PCOS, seek individualized advice from a clinician or registered dietitian. People with a current or past eating disorder should also seek professional support before restricting foods or following a diet plan.

See a clinician if periods are absent for several months, bleeding is persistent or unusually heavy, or you have concerns about fertility or metabolic health. PCOS care may include screening for blood glucose, blood pressure and cholesterol, as well as treatment to protect the uterine lining when appropriate. Seek urgent care for severe pelvic pain, or heavy bleeding accompanied by dizziness or fainting.

More on Best Foods For PCOS

Try the free tool

Ai Symptom Analyzer →

Frequently asked questions

Do I need to avoid gluten if I have PCOS?

Not solely because of PCOS. Gluten avoidance is necessary for conditions such as celiac disease, but there is no established reason for everyone with PCOS to exclude it.

Are supplements better than food for PCOS?

Supplements are not a replacement for a balanced diet or PCOS care. Ask a clinician before taking one, especially if you are pregnant, take medication or have another health condition.

Can eating different foods replace PCOS medication?

Food choices can support PCOS management, but they do not necessarily replace medication. Discuss treatment decisions with your clinician rather than stopping or changing a prescription yourself.

Sources

  1. Effect of Diet on Insulin Resistance in Polycystic Ovary Syndrome. The Journal of clinical endocrinology and metabolism (2020). PubMed 32621748
  2. Dietary Modification for Reproductive Health in Women With Polycystic Ovary Syndrome: A Systematic Review and Meta-Analysis. Frontiers in endocrinology (2021). PubMed 34790167
  3. The Role of Lifestyle Interventions in PCOS Management: A Systematic Review. Nutrients (2025). PubMed 39861440