How To Choose The Best Vitamins For PCOS (PMOS)

Polycystic Ovary Syndrome (PCOS), now formally referred to as Polyendocrine Metabolic Ovarian Syndrome (PMOS), is a complex endocrine condition that affects 1 in 10 women of childbearing age. It doesn’t just affect periods and fertility, though; PMOS can result in excess facial or body hair, weight gain, insulin resistance, acne, and host of other symptoms.
Although there isn’t a ‘cure’ for PMOS, a combination of nutrition, exercise, and lifestyle changes can help women with the condition live almost symptom-free. But trying to regulate your hormone imbalances and fulfill your nutritional needs can feel overwhelming.
As a Registered Dietician and woman living with PMOS myself, I understand the complexities of navigating vitamin and mineral deficiencies, something many women with PMOS struggle with. That’s why below, I’m sharing how to choose the best vitamins for PMOS. I’ll also discuss how each vitamin can be beneficial, what each does, and provide the general dosage ranges. This way, you can feel confident supporting your PMOS management journey inside and out.
Please note this blog post is not a substitute for official medical advice and is for informational purposes only. If you are concerned about your PCOS symptoms, suspect you have an underlying health condition, or wish to start a new diet/lifestyle/supplement plan, please consult your doctor first. Neither the author(s) nor the publishers of this content take responsibility for any potential health consequences or side effects experienced by any person following this educational content.
How To Choose The Best Vitamins For PCOS (PMOS)?
- Get lab work to determine what deficiencies you have.
- Identify the root issues you’re dealing with based on your PCOS type.
- Make sure the supplements are NSF-certified.
- Avoid supplements with fillers, additives, and questionable ingredients.
- Ensure the supplements are compatible with your PMOS diet. (gluten- and dairy-free)
- Confirm they won’t conflict with other medications or supplements you’re taking.
- Discuss all new supplements with your doctor.
If you’re not sure where to start, I encourage you to take my free “What’s Your PMOS Type?” quiz. This short questionnaire can help you figure out your PMOS type, allowing you to better understand the root drivers of your symptoms!
Here are some of the best supplements for PCOS:
Inositol
Inositols are among the most well-studied supplements for PMOS. Research has linked the combination of myo-inositol and D-chiro-inositol in a 40:1 ratio with support for healthy insulin sensitivity, menstrual cycle regularity, ovulatory function, and reproductive health. Because insulin resistance is common in women with PMOS, this combination may help support the metabolic and ovarian aspects of the condition.
For those searching for vitamins to help support PMOS weight loss, inositol is often one of the first supplements considered. More specifically, supporting insulin sensitivity may also make weight management feel more achievable, especially when combined with a gluten- and dairy-free diet and regular movement.
Ovafit’s Inositol Complete 40:1 uses a clinically-studied formula, is formulated by a Registered Dietician, goes through rigorous testing for purity and potency, and is manufactured in FDA-registered facilities. Simply mix one leveled scoop (2.22 g) in any hot or cold, non-carbonated drink, twice daily. Once at breakfast, once in morning.
Here are some of the ways inositol may support women with PMOS:
- Supports healthy insulin sensitivity
- Supports regular ovulation
- Helps maintain healthy androgen levels
- Supports menstrual cycle regularity
- Supports reproductive health
If you need additional guidance, we’ve got plenty of resources! Start with “Can I Take Inositol If I Don’t Have PCOS?” to learn more about this supplement. Additionally, for anyone trying to become pregnant, it’s most important to talk with your healthcare provider for personalized guidance.
Multivitamin
A high-quality multivitamin won’t replace a nutritional diet, but it can help fill nutrient gaps that are common in women with PMOS. Nutrients like Vitamin D (vitamin D3), B vitamins, zinc, magnesium, and chromium all play important roles in energy metabolism, hormone function, and overall health.
When looking for the best vitamins for PMOS, it’s important to ensure the one you choose has adequate micronutrients to help support the metabolic processes involved in energy production, blood sugar regulation, and overall wellness. For example, vitamin D3 can enhance insulin receptor function, reduce elevated androgen levels (like testosterone), and improve follicular development. Similarly, coenzyme Q10 can improve HOMA-IR scores, help regulate glucose metabolism, and support egg quality.

There isn’t one universal recommended dose for PMOS. Instead, look for a comprehensive daily multivitamin that contains key nutrients commonly associated with hormone, metabolic, and immune health. If you want to skip the guesswork, Ovafit’s Metabolism Plus Daily Multi was specifically formulated for women with PMOS. It included over 20 essential vitamins and minerals in highly bioavailable forms to support metabolism, hormone balance, reduced cravings, steadier energy, and overall wellness.
Here’s what matters most: that your multivitamin fits seamlessly into a PMOS management plan. Those formulated specifically for PMOS and the ones that can do real work every day, providing you relief over time. Learn more by reading “Best Multivitamins for PMOS: What Sets the Best Formulas Apart.”
Vitamin D
Vitamin D (specifically vitamin D3), is one of the most frequently discussed nutrients in PMOS vitamin research. More specifically, vitamin D receptors are found throughout the body, and maintaining appropriate levels can play an important role in immune function, bone health, and hormone function. Research has also associated adequate vitamin D with healthier metabolic and inflammatory markers in women with PMOS.
And here’s why this matters: vitamin D deficiency is common in both the general population and women with PMOS. (And many people don’t even realize they’re deficient!) Needless to say, it’s worthwhile to ask your healthcare provider how vitamin D can fit into your overall PMOS vitamin plan.
Research commonly uses doses ranging from 1,000 to 4,000 IU of vitamin D3 daily, although some people with elevated deficiencies may temporarily benefit from a higher dose. As we mentioned above, our Ovafit Metabolism Plus Daily Multi contains 50mcg (2,000 IU) of vitamin D3 in its overall formula. However, you can find additional recommendations by reading: “Best Form of Vitamin D for PMOS.”
Omega-3 Fish Oil
Omega-3 fatty acids are well known for supporting heart, brain, and metabolic health. For women with PMOS, research suggests that omega-3 supplementation may help support reduced inflammatory markers and triglyceride levels, hormone balance, and overall cardiovascular health. Unlike the plant-based omega-3s found in flax and chia seeds, fish oil provides EPA and DHA directly, the forms most often studied in clinical research.
Most studies evaluating omega-3s in women with PMOS use approximately 1,000-2,000mg of combined EPA and DHA daily. However, exact amounts can vary depending on each person’s goal, health status, and PMOS management plan. You can learn more about the unique benefits in my post, “Benefits of Omega-3s for PMOS.”

Berberine
Berberine has become one of the most researched supplements for women with PMOS because of its effects on metabolism. In fact, studies suggest it may support appropriate insulin sensitivity, cholesterol levels, and androgen balance, making it one of the supplements most commonly discussed alongside inositol.
Additionally, for those searching for the best vitamins for PMOS weight loss, berberine frequently comes up. This is because appropriate insulin sensitivity plays an important tole in long-term weight management. Additionally, berberine has been shown to improve leptin sensitivity, the hormone made by body fat that tells us when we’re full! Of course, however, berberine often works best alongside intentional lifestyle habits, like regular movement, quality sleep, and a gluten- and dairy-free anti-inflammatory diet.
Ovafit’s Berberine Advanced can be a great place to start. Made in FDA-registered, cGMP-compliant facilities, formulated by a Registered Dietician with PMOS, and full of pure, lab-grade berberine without fillers, this supplement is designed to be taken twice daily with meals. (Each serving contains 550mg of Berberine Phytosome with advanced absorption for better results.) However, always discuss the addition of any new vitamins or supplements with your healthcare provider to ensure this is the right addition for your unique plan.
Interested in learning more? I believe that education is the most important part of a holistic PMOS management plan, which is why I’ve created guides like: “When Is the Best Time to Take Berberine for PMOS?” and “Can You Take Berberine and Inositol Together for PMOS?“
Curcumin
Curcumin is the active compound in turmeric, and it’s super helpful for improving chronic inflammation and oxidative stress, which are two big contributors to hormonal imbalances and metabolic issues. Because curcumin is an anti-inflammatory holy grail, it’s beneficial for improving insulin sensitivity, lowering androgens, supporting egg quality, balancing mood, fighting fatigue, bettering gut health, and more!
Order OvaFit’s Curcumin for PCOS here.
CoQ10
CoQ10 is an antioxidant that helps your cells produce energy by supporting mitochondrial function. Because egg cells require large amounts of energy, CoQ10 has become one of the most researched supplements for reproductive health in women with PMOS. Some studies even suggest it may support egg quality, ovulatory function, insulin sensitivity, inflammatory balance, and overall metabolic health.
Most studies use 100-300mg daily, although your healthcare provider may recommend a different amount based on your individual needs. (This can be especially true if you’re trying to conceive or are currently pregnant.) Learn more in posts like “Is CoQ10 Good for PMOS?” Additionally, make sure to listen to my podcast episode, “Why Women with PMOS Should Consider CoQ10 Supplementation!”
Zinc
Zinc is an essential mineral involved in hundreds of enzymatic processes throughout the body, including immune function, hormone production, skin health, and glucose metabolism. For women with PMOS, maintaining adequate zinc intake may also support androgen levels and overall reproductive health.
Clinical studies commonly use 15-30mg of zinc daily, although higher doses may be recommended only under provider supervision since long-term high-dose zinc can affect copper levels. Combined with a gluten- and dairy-free diet, regular movement, and evidence-based supplements for PMOS, zinc can be one part of a comprehensive PMOS management plan.
If you need more guidance, listen to my podcast episode titled “Should I Take Zinc for PMOS?“
Choose the best quality supplements for PMOS healing!
Managing PMOS naturally takes a holistic approach. Intentional lifestyle changes can make a bigger impact on your symptoms than any prescription or procedure could! Just ensure whatever supplements you take are motivated by your blood work and symptoms, approved by a doctor, and the best quality available. You can find all of my NSF-certified supplements specifically formulated for PCOS on Ovafit. Additionally, don’t forget to check out my free “What’s Your PMOS Type?” quiz to learn more about your condition and the drivers behind your symptoms.
Written by Tallene Hacatoryan, MS, RD, founder and formulator of OvaFit. Tallene is a Registered Dietitian who specializes in PCOS (now called PMOS) nutrition and has PCOS herself.
Medical disclaimer: This content is for informational purposes only and is not intended as medical advice. Always consult your healthcare provider before making changes to your diet, supplements, or treatment plan.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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