Diet and supplements for managing PCOS
Polycystic Ovary Syndrome (PCOS) is a common hormonal condition affecting people with ovaries during their reproductive years. It is often associated with irregular menstrual cycles, elevated androgen levels, insulin resistance, weight gain, acne, and fertility challenges. While medical treatments are sometimes necessary, diet and targeted supplements can play an important role in managing symptoms and improving metabolic health.
A balanced diet focused on stabilising blood sugar is one of the most effective nutritional strategies for PCOS. Many individuals with PCOS experience insulin resistance, meaning their bodies struggle to use insulin effectively. Eating meals that combine high-fiber carbohydrates, lean protein, and healthy fats can help reduce blood sugar spikes.
Whole foods such as vegetables, fruits, legumes, whole grains, nuts, seeds, fish, and olive oil form the foundation of a supportive PCOS diet. Limiting refined carbohydrates, sugary beverages, and highly processed foods may also help improve insulin sensitivity and reduce inflammation.
Certain dietary patterns have shown promise for PCOS management. A moderate low-glycemic-index approach—where carbohydrates come from slower-digesting sources like oats, quinoa, lentils, and sweet potatoes—may improve blood sugar control and hormone balance. Regular meal timing and adequate protein intake can also support appetite regulation and energy levels.
In addition to diet, several supplements have been studied for their potential benefits in PCOS. Inositol (particularly myo-inositol and D-chiro-inositol) is widely researched for improving insulin sensitivity and promoting more regular ovulation. Omega-3 fatty acids, often found in fish oil, may help reduce inflammation and improve lipid profiles.
Vitamin D is another important nutrient because deficiency is common in people with PCOS and may worsen metabolic and reproductive symptoms. Magnesium and chromium have also been explored for their roles in blood sugar regulation.
Although supplements can be helpful, they should complement—not replace—professional medical care. Individual responses vary, so working with a healthcare provider or registered dietitian can help tailor dietary strategies and supplement choices for safe and effective PCOS management.