Top PCOS Vitamin Deficiencies and How to Fix Them

ny women with PCOS (Polycystic Ovary Syndrome) face nutrient deficiencies that can worsen symptoms and make hormone balance harder to achieve. If you’ve been wondering about PCOS vitamin deficiency or searching for a reliable PCOS vitamin list, you’re not alone. This guide helps you identify common gaps, what they mean, and how to fill them safely.

Why Vitamin Deficiencies Happen in PCOS

PCOS is linked to insulin resistance, inflammation, and hormonal imbalances. These can all affect how your body absorbs and uses nutrients. Common contributors include restrictive diets, poor gut health, and chronic inflammation.

Most Common PCOS Vitamin Deficiencies

Vitamin D

One of the most prevalent deficiencies in PCOS. Low levels may worsen insulin resistance, mood swings, and weight gain. Safe sun exposure and supplements may help.

Vitamin B12

Especially low in those taking metformin. B12 helps with energy, nerve health, and ovulation.

Folate (B9)

Critical for fertility and hormone production. Choose folate over folic acid when supplementing.

Vitamin E

Known for its antioxidant benefits and role in hormone regulation.

Vitamin A

Important for skin health and immune function, which may be compromised in PCOS.

What Vitamins Should I Take for PCOS?

A multivitamin with bioavailable B-complex (especially B6, B9, B12)
Vitamin D3 (with K2 for absorption)
Magnesium and zinc supplements (also common deficiencies)
Vitamin E and omega-3s for inflammation

How to Tell If You Have a Deficiency

Fatigue, brain fog, or mood changes
Irregular periods or skin issues
Blood tests for Vitamin D, B12, and iron can help

Research Methodology

Sources include peer-reviewed medical literature and databases like PubMed and government health resources (e.g. NIH Office of Dietary Supplements and NCBI).

Interactive Checklist: Is This You?

Do you skip meals or follow restrictive diets?
Are you often tired or low in energy?
Do you take metformin or birth control pills?
Do you experience hair loss, brittle nails, or dry skin?

Common Myths About PCOS Vitamins

“If I eat healthy, I won’t need supplements.”

Not always true. Some nutrients are hard to absorb with PCOS, even on a good diet.

“All multivitamins are the same.”

ny cheap brands use forms your body can’t absorb well. Look for methylated B vitamins and D3, not D2.

FAQs

What vitamins should I take for PCOS?

Most women benefit from D3, B-complex, zinc, and omega-3s. A quality multivitamin tailored for hormonal health is a great start.

Can vitamin deficiencies affect fertility with PCOS?

Yes. Folate, B12, and Vitamin D are especially important for ovulation and egg quality.

Is it safe to take supplements with PCOS meds?

In most cases, yes, but always check with a doctor—especially if on metformin, thyroid meds, or hormonal treatments.

What’s the best form of Vitamin D?

Vitamin D3 with K2 for better absorption. Get your levels tested to know how much to take.

Do I need iron supplements?

Only if a test shows you’re deficient. Too much iron can be harmful, especially if you’re not menstruating regularly.

Next Actions

Ask your doctor for a nutrient panel
Choose a high-quality supplement brand
Eat more nutrient-rich whole foods (see pcos friendly meal delivery guide)

Join the PCOS Meal Planner Community

Get a personalized PCOS vitamin and meal plan to support your health. Try our hormone-balancing recipes like arugula and walnut pesto or green goddess dressing.

Creatine for women with PCOS Check out creatine supplements for women—supporting energy and muscle tone.

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PCOS Vitamin Deficiencies: Most Common Nutritional Gaps & Solutions