What Is Inositol and How It Helps with PCOS?

Polycystic Ovary Syndrome affects up to 1 in 10 women of reproductive age.

It’s a complex hormonal condition that impacts ovulation, metabolism, fertility, and even emotional well-being. But one natural compound is showing great promise in managing these symptoms: inositol.

Let’s explore what inositol is, how it works, and why it might be one of the best supplements for women struggling with PCOS.

So what Is Inositol?

Inositol is a naturally occurring vitamin-like compound often grouped with the B-vitamin family, sometimes referred to as Vitamin B8 (though it’s not officially classified as a vitamin).

There are 9 forms of inositol, but the most studied for PCOS are:

  • Myo-inositol

  • D-chiro-inositol

These two forms play essential roles in insulin signaling, hormone regulation, and ovarian function — making them especially helpful for women with PCOS.

How Does Inositol Help with PCOS?

1. Improves Insulin Sensitivity

Many women with PCOS have insulin resistance, which leads to high blood sugar and increased androgen  production. This causes symptoms like acne, hair thinning, weight gain, and irregular periods.

Studies show that myo-inositol improves insulin sensitivity, helping lower insulin levels and reduce androgen excess.

2.Restores Ovulation and Menstrual Cycles

A major symptom of PCOS is anovulation — the body doesn’t release an egg regularly. Inositol helps support ovulation by:

  • Reducing insulin resistance

  • Balancing LH and FSH hormone ratios

  • Supporting healthier ovarian follicles

 In clinical studies, women taking myo-inositol showed improved ovulation rates and more regular menstrual cycles within just 3 months.

3. Supports Fertility

For women trying to conceive, Inositol is one of the most researched fertility-supporting natural ingredients for PCOS.

  • It improves egg quality

  • Reduces ovarian hyperstimulation risk in IVF

  • Increases the likelihood of natural conception

 One study found that women with PCOS who took myo-inositol had higher pregnancy rates compared to placebo.

4. Reduces Androgen-Related Symptoms

Excess androgens in PCOS cause:

  • Acne

  • Facial hair (hirsutism)

  • Scalp hair thinning

By lowering insulin and androgens, inositol helps improve skin, reduce unwanted hair growth, and support hormonal balance from within.

5. Supports Mood & Metabolic Health

PCOS is linked to higher rates of anxiety and depression. Inositol influences brain chemicals like serotonin and dopamine, offering mood-boosting benefits. It may also help reduce cravings and improve metabolic markers like cholesterol.

Should You Try Inositol for PCOS?

If you're dealing with:

  • Irregular periods

  • Difficulty conceiving

  • Unwanted acne or hair growth

  • Mood swings or cravings

...then Inositol might be a gentle, natural way to support your body.

At Cotidelle, we believe in evidence-based formulas made for women. Our Prem Inochast combines high-quality Inositol, Coenzyme Q10,ALA with Chasteberry for even stronger hormonal support.
Inositol isn’t a magic cure — but the science is strong, and the results speak for themselves. When combined with healthy lifestyle habits, inositol can be powerful.