Polycystic Ovary Syndrome is one of the most common hormonal conditions affecting women of reproductive age. If you have PCOS, you have probably come across countless recommendations about supplements that claim to regulate hormones, improve ovulation, support weight management, or boost fertility.
With so many options available, it can feel overwhelming. Which supplements actually help? Which ones are unnecessary? And how do you know what is right for your body?
Understanding the best supplements for PCOS requires looking at how PCOS affects hormones, insulin sensitivity and inflammation. It also requires recognizing that supplements are tools, not magic fixes.
Lifestyle matters for fertility. A BMC Public Health study found that women with 4–5 healthy habits had a 59% lower risk of infertility.
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takes 3 minutes to completeQuick Answer: The best supplements for PCOS often include inositol, vitamin D, magnesium, omega 3 fatty acids, B vitamins, NAC and chromium. These supplements may support insulin sensitivity, hormone balance, ovulation and inflammation. However, PCOS affects each woman differently, so supplements should be personalised and used alongside a food first approach. Working with a qualified professional is essential to ensure correct brands, dosages and combinations.
The short answer is yes, but it depends.
PCOS is not identical in every woman. Some struggle mainly with insulin resistance. Others deal with irregular ovulation, elevated testosterone, inflammation, weight challenges or difficulty conceiving. What works for one person may not work for another.
Supplements can support specific mechanisms involved in PCOS, such as improving insulin receptor function, reducing inflammation or supporting ovulation. However, they must be used strategically.
It is important to remember that more is not better. Taking multiple supplements without understanding how they interact can overwhelm the body. Every supplement must be processed, often through the liver, and incorrect dosing can create new imbalances.
Before starting any supplement, it is crucial to adopt a food first approach. No supplement can compensate for a poor diet. Whole foods provide foundational nutrients that your body requires daily. Supplements are there to support, not replace, that foundation.
For a broader understanding of how diet plays a critical role in hormonal balance, you may also want to explore nutrition strategies discussed in PCOS-focused guidance such as, which emphasizes lifestyle as the starting point.
Inositol, particularly myo-inositol, is one of the most commonly recommended supplements for PCOS. It is a naturally occurring compound found in small amounts in grains, fruits and legumes.
Inositol plays a significant role in insulin signaling. Many women with PCOS struggle with insulin resistance, which contributes to elevated testosterone levels and disrupted ovulation. By improving insulin sensitivity, inositol may help lower circulating insulin and reduce androgen levels.
Research has shown that inositol can:
For women trying to conceive, improved ovulation regularity can significantly increase the chances of pregnancy.
Because insulin resistance is such a core component of PCOS for many women, inositol is often considered one of the best supplements for PCOS when blood sugar imbalance is present.
B vitamins, particularly B12 and folate, play essential roles in energy production, hormone regulation and insulin receptor function.
B vitamins help insulin receptors function properly. Since insulin resistance is central to many cases of PCOS, ensuring adequate intake can support metabolic balance.
They are also crucial for hormone production and energy levels. Many women with PCOS report fatigue, which may be related to blood sugar fluctuations and hormonal shifts.
You can find B vitamins in foods such as:
If supplementation is needed, it should be based on individual assessment rather than guesswork.
For women preparing for pregnancy, B vitamins are especially important. Folate, in particular, is essential for early fetal development. Many high-quality prenatal vitamins include appropriate levels of B vitamins to support both PCOS and fertility.
Vitamin D deficiency is common among women with PCOS.
Vitamin D is stored in fat tissue. Women with higher body fat percentages may have difficulty utilizing stored vitamin D effectively because it remains bound in fat tissue.
Low vitamin D levels have been linked to insulin resistance and reduced ovulation rates. Correcting deficiency may improve metabolic and reproductive outcomes.
Vitamin D is not a supplement to take blindly. It is important to test your levels before supplementing. Knowing your starting point allows for accurate dosing and prevents overcorrection.
Because insulin resistance is frequently associated with PCOS, understanding the connection between metabolic health and fertility is critical. Conceivio’s resource on PCOS and fertility at explains how insulin and hormone imbalances interfere with ovulation.
N-acetyl cysteine, commonly known as NAC, is a powerful antioxidant.
NAC may:
Oxidative stress plays a role in both metabolic dysfunction and reproductive challenges. NAC helps reduce oxidative stress, which may support both egg quality and hormonal regulation.
It is naturally found in foods like meat, fish and legumes, but therapeutic amounts typically require supplementation under guidance.
Chromium is a trace mineral that plays a role in carbohydrate metabolism and insulin function.
Chromium may help:
For women who struggle with intense sugar cravings and blood sugar fluctuations, chromium may offer additional support when combined with dietary changes.
Natural sources include:
Again, supplementation should be personalized.
Magnesium is one of the most versatile and beneficial minerals in the body. It supports over 600 enzymatic reactions, including those involved in insulin regulation and nervous system balance.
Magnesium can help:
Many women with PCOS report difficulty sleeping or feeling constantly tense. Magnesium supports both blood sugar regulation and nervous system calm, making it a valuable tool when stress and metabolic imbalance coexist.
You can find magnesium in dark leafy greens, nuts and seeds. If symptoms suggest deficiency, supplementation may be helpful.
Chronic low-grade inflammation is often associated with PCOS. Omega 3 fatty acids are well known for their anti-inflammatory properties.
Omega 3 fatty acids can be found in:
By reducing inflammation, omega 3s may support hormone balance and overall metabolic health.
For women trying to conceive, omega 3 fatty acids are also commonly included in high-quality prenatal vitamins, as they support both maternal health and fetal development.
If you are actively trying to conceive, a high-quality prenatal vitamin may be appropriate.
Many of the nutrients discussed, including folate, B12 and omega 3s, are often included in comprehensive prenatal formulas. This simplifies supplementation and ensures foundational nutrients are covered.
However, not all prenatals are created equal. Quality and dosage matter.
Supplements can be powerful, but they must be used thoughtfully.
Be cautious about:
Just because a supplement worked for a friend does not mean it is appropriate for you. PCOS varies in presentation, and your supplement plan should reflect your individual needs.
Every supplement you take must be metabolized and processed. Overloading the body can create additional stress rather than relief.
PCOS management is not about collecting as many supplements as possible. It is about identifying your unique imbalances.
For some women, insulin resistance is the main issue. For others, inflammation, stress or hormonal dysregulation may be more prominent.
This is why working with a qualified practitioner who understands PCOS is so important. They can:
Blind supplementation can be counterproductive. In contrast, strategic supplementation can be transformative.
The best supplements for PCOS are not universal. Inositol, vitamin D, magnesium, omega 3 fatty acids, B vitamins, NAC and chromium all have evidence supporting their role in managing insulin resistance, hormone balance and inflammation.
However, supplements are supportive tools, not standalone solutions. A food first approach, lifestyle adjustments and professional guidance remain the foundation of effective PCOS management.
When used correctly and thoughtfully, supplements can enhance hormonal health naturally and support your fertility journey.
This content is for educational purposes only. It has been reviewed for scientific accuracy, but it does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding medical questions or fertility treatment decisions.
Reviewed for scientific accuracy by: Dr. Mona Bungum
Last reviewed: February 2026
Lifestyle matters for fertility. A BMC Public Health study found that women with 4–5 healthy habits had a 59% lower risk of infertility.
Fill out the questionnaire, and get a personalised, holistic and evidence-based programme tailored to you.
takes 3 minutes to complete00:00:00 Welcome to this video series on Polycystic Ovarian Syndrome or PCOS. My name is Julia Young and I'm a registered nutritional therapist specialising fertility. In this video I'm going to be discussing whether supplements can help support PCOS and if so which ones you might want to consider. Now if you've been diagnosed with PCOS or suspect you may
00:00:25 have it you've probably heard about supplements that might help but with so have it you've probably heard about supplements that might help but with so many options out there it can be overwhelming to figure out what's right for you. I'm going to guide you through some of the most commonly recommended supplements for PCOS and how they work and why it's important to take a personalised approach. First things first can
00:00:48 supplements really help with PCOS and the answer is it depends. PCOS affects each woman differently so what works for one person might not work for another. It's really important so what works for one person might not work for another. It's really important to work with a qualified professional who's trained in PCOS to help find the right supplements,
00:01:07 brands and dosages for you. It's important to know that it's not always better to have more and blindly buying supplements can be problematic. If you don't know what a supplement is doing in your body it could actually be making things worse. So before you run out and buy supplements I also want to emphasise it's really important to have a food first
00:01:28 approach. Try to get as many nutrients as you can from whole foods first approach. Try to get as many nutrients as you can from whole foods first because no supplement can fix a poor diet. Having said that our soils are depleted and sometimes our bodies may need a little extra support. So let's talk about some supplements that are commonly recommended for women with PCOS. So first of all there's one
00:01:51 called inositor or myoenositor. This is a naturally occurring compound found in small amounts in grains, fruits and legumes. Anositor can improve insulin sensitivity and lower fruits and legumes. Anositor can improve insulin sensitivity and lower testosterone levels making it a great option for women with PCOS who struggle with insulin resistance and
00:02:09 hormone imbalance. Anositor is often recommended because it's been shown to be a very important improvement to regularity and even support ovulation. Let's talk about B vitamins, especially B12 and folate. These vitamins play a key role in allowing insulin receptors to function properly and are crucial for hormone in allowing insulin receptors to function properly and are crucial for hormone production
00:02:33 and energy levels. You can find B vitamins in foods like meat, seafood, dairy and eggs. Ensuring you get enough B vitamins can help improve insulin sensitivity which is sensual when managing PCOS. Now vitamin D is another big one. Many women with PCOS are low in vitamin D and here's why. Vitamin D is stored in fat tissue so if you have a higher percentage
00:02:59 percentage of body fat you may not be able to utilise it as easily because it's bound up in that tissue. Studies show that vitamin D can help improve insulin resistance and ov ulation rates. Since vitamin D is so important I always recommend getting tested to check your levels before taking a supplement. It's one of those cases where you shouldn't guess.
00:03:21 You need to know where you're starting from. Then there's NAC or NAC tell cystic. NAC is to know where you're starting from. Then there's NAC or NAC tell cystic. NAC is a powerful antioxidant that can lower insulin improve weight loss and decrease free testosterone levels and even improve ovulation. It's found naturally occurring in meat, fish and legumes.
00:03:44 NAC is a great option if you're struggling with insulin resistance and weight management related to PCOS. Another helpful supplement is chromium. It's a mineral that's essential for improving insulin sensitivity. Chromium can help reduce BMI and fasten for improving insulin sensitivity. Chromium can help reduce BMI and fasten insulin which in turn helps with sugar cravings. We found fine chromium in foods like
00:04:08 broccoli, liver, potatoes and whole grains. One of my favourite supplements to recommend for PC OS is magnesium. It's an essential mineral that helps over 600 enzymes to work properly in the body including those involved in insulin regulation. Magnesium is also incredibly important for relaxation sleep which can be a struggle for many women with PCOS. You can find magnesium
00:04:29 sleep which can be a struggle for many women with PCOS. You can find magnesium in leafy greens especially dark leafy greens, nuts and seeds but if you're feeling tense having trouble sleeping or dealing with blood sugar issues a magnesium supplement could be really helpful. Then you have omega 3 fatty acids which are amazing for reducing inflammation
00:04:52 in the body which is often associated with PCOS. You can find omega 3's in fatty fish like fatty fish like salmon, flaxseeds, chia seeds and walnuts. If you're trying to conceive I also recommend a good quality prenatant motor vitamin. Many of the nutrients I've talked about like folate, B12 and the omega 3's are included in a high quality prenatal. It's a good way
00:05:19 to ensure you're getting everything you need to support your fertility. Now you might be wondering if there are any supplements you should avoid. Well it's important it's important to be careful about taking low quality supplements or using the wrong dose. You also don't want to overload your body because every supplement you take has to be processed by
00:05:41 your liver. And that's why it's crucial to work with a practitioner who understands your individual needs and can personalise your supplement plan. And also just because a supplement may have worked for your friend doesn't mean it's a right one for you. Supplements are powerful and they should be used thoughtfully. So remember it's not about more being
00:05:58 and they should be used thoughtfully. So remember it's not about more being better. It's about finding the right balance for your body. So in summary supplements can be incredibly helpful for women with PCOS but they're not a magic fix. It's important to work with a professional start with a food first approach and use supplements as a supported tool to improve
00:06:20 your overall health. Thanks so much for watching. If you'd like to know more you're more than well to come to contact me via email info@julieyongnutrition.com or follow me well to come to contact me via email info@julieyongnutrition.com or follow me on Instagram @julieyongnutrition. Thank you.
