Nutrition for Managing PCOS: A Holistic Approach
- Liz Riesen, RD

- May 30, 2025
- 5 min read
Updated: Apr 29
PCOS isn’t just a hormone issue—it affects the whole-body and is highly influenced by stress, inflammation, gut health and blood sugar. That’s why managing PCOS through diet and nutrition goes far beyond cutting carbs or following rigid food rules.
A truly holistic approach focuses on stabilizing blood sugar, supporting hormone balance, and nourishing your body with consistent, balanced meals that work with your physiology, not against it. In this article, we’ll break down how to use nutrition as a sustainable, supportive tool to reduce symptoms, improve energy, and help you feel more in control of your body again.
Please note: These are starting guidelines and each individual woman I work with can benefit from slightly different diet and treatment plan, based on us working together to identify and treat any underlying issues. In some cases this is gut dysbiosis or overgrowth, nutrient depletions, cortisol dysregulation, or specific hormonal imbalances found through testing.

Understanding the PCOS Diet
The goal of the foods I recommend below is to provide the body with all the essential nutrients needed for proper hormone production, blood sugar management, and anti-inflammatory benefits. This eating approach helps manage inflammation, a contributor to hormonal symptoms, weight gain, irregular cycles, and more.
What Foods Should I Avoid?
We're all rebellious by nature. Focusing on what to avoid can backfire and lead women to overeating, or keep them from being able to maintain a healthy diet. In some cases there are foods that can cause issues for individuals with the most common being gluten, soy, dairy, and corn. However, this should be identified on an individual basis while working with a dietitian to make sure you maintain a balanced diet and have healthy alternatives.
With that said I do have a hard "no" to soda and highly processed foods with Frankenstein ingredients. I also recommend everyone limit their daily sugar intake. An adult woman should not consume more than 25 grams of added sugar per day. Some foods to avoid can vary depending on the symptoms and deficiencies you might be dealing with.
If high cortisol levels are an issue (found through an advanced hormone panel), both alcohol and caffeine should be avoided as we work on healing; as these can disrupt energy, sleep, mood, anxiety, and depression.
Do I Need to Eliminate Sugar Completely?
High sugar consumption over an extended period can disrupt your hormone balance. Hormones serve as chemical messengers involved in every function of your body, especially metabolism and weight gain. Consuming sugar increases your blood glucose (sugar) level.
When your blood sugar level rises, it signals the pancreas to release insulin. Insulin acts like a key that opens the cell’s door, allowing glucose to enter and be used for energy.
How Much Sugar Per Day Leads to Weight Gain?
Consuming larger-than-normal amounts of sugar causes blood sugar spikes and higher insulin levels. Elevated insulin levels signal the body to store energy as fat, particularly around the midsection (3).
Insulin influences the hormone leptin, which acts as a natural appetite suppressant, informing our brain that we are full. Imbalanced insulin levels, along with high sugar intake, can lead to leptin resistance. This condition occurs when our brain no longer receives the "full/satiety" signals, causing us to eat larger quantities.

What Foods Should I Eat More Of?
The recommended foods for managing PCOS are whole, low-sugar items. I have found that women respond best to a diet rich in fiber and healthy fats. This combination can be a bit tricky since fiber is primarily found in carbohydrate foods. To avoid a high-carbohydrate diet, I highly encourage you to track your daily intake using an app or online food tracker.
The most popular free food tracking site and app is MyFitnessPal. Aim for at least 30 grams of fiber daily. Continue reading for specific foods recommended for a PCOS diet.
Is There Anything Else I Can Do to Help Manage PCOS?
It's crucial to remember that your body is constantly communicating with you. Do you know what YOUR body is saying? Do you know what YOUR body needs?
These questions can be challenging to answer, but using a cycle tracking app like CLUE can simplify the process. Additionally, collaborating with a health professional knowledgeable about hormones, nutrition, and stress will provide the guidance you need.
Now that you understand what foods to limit and which to embrace, let's dive deeper into the specifics of a PCOS diet.
A Whole Food, Low Sugar Diet: Key Strategies
A healthy, low-sugar diet will supply essential nutrients for hormone balance while also controlling blood sugar and weight. A diet high in fiber, healthy fats, and quality protein will keep you satisfied.
We want to increase fiber intake because it helps remove excess hormones and toxins from the body. Healthy fats also slow down glucose release, keeping you full longer and reducing cravings.
Fiber-Rich Foods for PCOS Management
Focus on increasing your fiber intake from whole foods rather than supplements. Set a goal to reach 30 grams per day, and gradually increase your fiber intake—about 5 grams every few days—to prevent constipation or digestive issues.
The following foods are particularly high in fiber:
Chia Seeds
Flax Seeds
Avocado
Berries
Leafy Greens
Whole Grains
Quality Protein Foods to Include
Incorporating high-quality protein with carbohydrates for snacks and meals will help balance blood sugar and keep you full. For animal proteins, choose organic, grass-fed options when possible.
Plant-based proteins are also excellent. If you encounter difficulties digesting plant-based proteins, you may need to implement a gut-healing protocol to support digestion. Contact me to learn about these protocols.
If you're not getting enough protein, consider adding a clean ingredient protein powder. Here is a favorite of mine
Some quality protein sources include:
Eggs
Poultry
Meats
Nuts and Seeds (raw or sprouted are best)
Beans and Legumes (sprouted are best)
Gluten-Free Whole Grains like Rice, Quinoa, and Millet
Healthy, Low-Inflammatory Fats to Embrace
Incorporating anti-inflammatory fats rich in omega-3 fatty acids is crucial. These include fatty fish like salmon and tuna, as well as plant sources like chia and flaxseed. Note that plant sources of omega-3s have a lower conversion rate in the body compared to fish oil.
Healthy fats to include are:
Salmon
Tuna
Sardines
Chia and Flax Seeds
Olive Oil
Avocado
Coconut
Nuts
Adding Flavor Without Calories
Enhance your meals using plenty of spices and herbs. Not only do they boost flavor, but they also have medicinal properties, having been used in Ayurvedic medicine for centuries.
Thes best th ing about herbs and spices is that they have MANY benefits! They help support metabolism, detoxification, hormone production, digestion, and more. Here are a few of my favorites:
Ginger
Turmeric
Cinnamon
Garlic
Rosemary
Basil
Oregano
Ready to Go Deeper?
If you suspect your hormones are out of sync, personalized nutrition and functional hormone testing can provide detailed insights into your hormonal health. Explore options for hormone testing, education, and 1:1 support below.
Not sure what option is best for you? Fill out my short application form and let's talk about your specific symptoms, goals, and what working together can look like.

Liz Riesen, Registered Dietitian
Liz works specifically with women's hormones, inflammation, and digestive health. These conditions often coexist and share disruptive symptoms such as bloating, weight gain, anxiety, mood swings, and irregular cycles.
Using hormone testing + functional nutrition approach to heal and balance hormones naturally. Follow @lizriesen



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