This module covers personalized supplementation in PCOS as part of comprehensive Medical Nutrition Therapy. It explores supplements for insulin resistance, inflammation, hormonal health, stress, and thyroid-related concerns, including inositol, vitamin D, omega-3 fatty acids, magnesium, CoQ10, and probiotics. The module also focuses on clinical indications, laboratory assessment, safety, drug-nutrient interactions, and regular monitoring, emphasizing scientifically grounded supplementation based on individual needs.