In short. The 2023 PCOS guideline found no evidence that one diet is best for PCOS, though that evidence is of very low certainty. It supports flexible, healthy eating shaped around your preferences and goals.
The answer, with its source
The 2023 International Evidence-based Guideline for PCOS found no evidence that one diet composition is better than another for PCOS outcomes. It rates the certainty of that evidence as very low, so the finding describes what research has not yet shown rather than proving that every diet works the same. [2]
The guideline recommends healthy eating in line with general population guidance, tailored to your preferences and goals, and flexible, individualised approaches that avoid unduly restrictive or unbalanced diets. [2] The name is moving to polyendocrine metabolic ovarian syndrome, PMOS (formerly PCOS), over a three-year transition. The recommendations are unchanged. [1]
What that means in practice
You can start from foods you already like and can afford, and notice which meals keep you satisfied through your week. A flexible approach leaves room for your culture, budget, routine and changing needs.
Nutrition numbers can help you get your bearings. Protein and fiber are useful reference points, but neither has to become a rule.
How it shows up in your Food & Fit record
Food & Fit keeps your meals, protein and fiber references, and daily check-ins together so you can see your week in one place. You can edit its references. Its patterns show you repeated days. They do not give you a diet.
When a question qualifies, the app shows the days behind it, so you can think about what else was going on. See how Food & Fit qualifies a pattern.
For individual nutrition or PCOS questions, a clinician can help you choose an approach that fits your needs.