Ovasitol for PCOS (now PMOS) and Insulin Resistance
As a Women’s Health specialist, I often work with individuals navigating the complex hormonal landscape of Polycystic Ovary Syndrome (PCOS), recently renamed to Polyendocrine Metabolic Ovarian Syndrome (PMOS) to better reflect this multisystem disorder. One supplement that consistently stands out in both research and clinical practice is Ovasitol, a targeted blend of myo-inositol and D-chiro-inositol in a physiologically balanced ratio.
PCOS/PMOS is frequently driven by insulin resistance, even in individuals with normal body weight. This underlying issue can disrupt ovulation, increase androgen levels, and contribute to symptoms such as irregular cycles, acne, and excess hair growth. Ovasitol works by improving insulin sensitivity at the cellular level, helping the body use insulin more effectively and reducing the cascade of hormonal imbalances that follow. A meta-analysis by Unfer et al. (2017) found that myo-inositol supplementation significantly improved insulin sensitivity and reduced serum insulin levels in women with PCOS/PMOS.
What makes Ovasitol particularly powerful is its 40:1 ratio of myo- to D-chiro-inositol, which mirrors the body’s natural plasma ratio. This balance is critical; while both forms of inositol play important roles in insulin signaling and ovarian function, their synergy appears to be key. Nordio and Proietti (2012) demonstrated that the combined 40:1 ratio of myo- and D-chiro-inositol restored ovulation and improved metabolic parameters more effectively than either form alone.
Beyond metabolic benefits, inositol supplementation also supports reproductive outcomes. A systematic review and meta-analysis by Facchinetti et al. (2020) reported that inositol supplementation improved ovulatory function and increased pregnancy rates in women with PCOS/PMOS, particularly when used consistently over time.
Clinically, I’ve seen Ovasitol help restore more regular menstrual cycles, improve ovulatory function, and even reduce cravings and energy crashes associated with blood sugar fluctuations. Many patients also report improvements in mood, which is significant given the higher rates of anxiety and depression among individuals with PCOS/PMOS.
Another advantage is its safety profile. Compared to some pharmaceutical options, inositol supplementation is generally well-tolerated with minimal side effects, making it an excellent adjunct—or even alternative—for those seeking a more natural, evidence-based approach.
Of course, no supplement works in isolation. I always emphasize pairing Ovasitol with foundational lifestyle strategies, including balanced nutrition, regular physical activity, and stress management.
If you would like more personalized insight into what supplements may or may not be right for you, schedule with a Northern Nutrition Group Dietitian today. Supplements selected by our dietitians, including Theralogix Ovasitol, are available for purchase right in our office.
References
Unfer V, et al. (2017). Myo-inositol effects in women with PCOS: a meta-analysis of randomized controlled trials.
Nordio M, Proietti E. (2012). The combined therapy with myo-inositol and D-chiro-inositol improves metabolic and ovulatory function in PCOS.
Facchinetti F, et al. (2020). Inositols in PCOS: systematic review and meta-analysis of randomized controlled trials.
Written by Kylie Conner
Kylie specializes in: Oncology - supporting individuals through cancer treatment, remission, malnutrition, food aversions, enteral nutrition, and preventive strategies. PCOS & Fertility - weight-inclusive care for hormonal balance, menstrual health, and fertility support. Cardiovascular Disease - heart disease, high cholesterol, high blood pressure, and related conditions. Chronic Disease Prevention and Management - focusing on sustainable, non-restrictive approaches to improve long-term health and reduce risk.