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Backed by
Science -
Premium
Ingredients -
Independently
Tested & Certified -
Trusted by Providers
& Patients
The #1 Inositol Supplement
Ovasitol's combination of myo- and d-chiro-inositol supports healthy insulin and hormone levels, menstrual regularity, and fertility. Ovasitol is the only independently tested and certified 40:1 inositol supplement. It’s the one you can trust.
Ovasitol is 100% pure with no additives, fillers
or dyes- physician referred & preferred.
Benefits
Healthy hormone levels*
Regular menstrual cycles*
Ovarian health*
Healthy egg quality in women trying to conceive*
Ovasitol is designed for continuous, long-term use. We recommend regular, daily use for 3-6 months to notice benefits.*
How Ovasitol® Inositol Powder Supplement Works
Ovasitol® works by providing a precise 40:1 ratio of two key forms of inositol: Myo-inositol and D-chiro-inositol. This ratio mimics the body's natural balance. Myo-inositol improves cellular sensitivity to insulin, helping to regulate blood sugar and reduce excess insulin—a common driver of PCOS symptoms. D-chiro-inositol supports the metabolic actions of insulin and aids in balancing reproductive hormones. Together, they help correct the hormonal and metabolic disruptions characteristic of conditions like PCOS, thereby promoting improved ovarian function, regular ovulation, and more balanced hormone levels.
why people like Ovasitol®:
People favor Ovasitol® primarily for its effectiveness in managing PCOS symptoms. Its key appeal is the scientifically-backed 40:1 ratio of Myo-inositol to D-chiro-inositol, which is trusted to mimic the body's natural balance. Users appreciate that it's a doctor-recommended, non-prescription option that targets core issues like insulin resistance, irregular cycles, and hormonal imbalance without artificial additives. The flavorless, easily dissolvable powder offers convenient, precise dosing. Many report tangible benefits like restored menstrual regularity, improved mood, reduced cravings, and support for fertility goals, leading to high satisfaction and loyalty.
About Us
Supplements from Science
At Theralogix, our methodology is simple: We only create products that are backed by published scientific evidence. To ensure that we stay true to this unwavering commitment, we prioritize research that demonstrates our products will address a specific need.
As science evolves, so do we, continuing to develop new products and improve current ones.
Exceptional Ingredients, Without Exception
We never compromise on quality. We source only the finest ingredients to maximize performance and bioavailability and we prioritize the specific nutrient forms used in published clinical research.
Certified Pure
Not all supplements are created equal. Our products are certified for content accuracy and purity by NSF® International – one of the most rigorous third-party dietary supplement testing programs in the world. This certification guarantees that our supplements contain exactly what they should, and nothing they shouldn’t.
And it’s never one and done. Our supplements continually undergo re-testing so you can trust every single product, every single time.
We Don't Round Up. We Pass Savings Down.
You might notice our prices are oddly specific — and that’s on purpose.
We don’t believe in rounding up just to make things look cleaner on the surface. Instead, we pass every possible saving directly on to you. No hidden agenda. Just honest pricing that further reflects our commitment to transparency — down to the last cent.
Referred & Preferred for Decades
Thousands of physicians and other healthcare providers around the country have recommended us to their patients since 2002.
Over a million referrals and counting.
Our supplements are the top choice for providers and patients who rely on superior quality.
Clinical Trials
Another reason to feel good about choosing Theralogix: Top universities do, too. Research institutions, including the National Institutes of Health, Harvard University, and Cornell-Weill Medical College, have chosen to use Theralogix products in ongoing clinical trials. They trust our supplements for their high-quality and content-accurate formulations.
We’re honored that our work helps further the field of nutritional science.
Long-Term Health
Long-term health requires a long-term commitment. That’s why we support you with a convenient auto-refill program that ensures you have an uninterrupted supply of the nutrients you need. At Theralogix, we’re with you every step of the way.
A Physician on a Mission
At the heart of the Theralogix brand is physician and Chief Science Officer, Dr. Mark Ratner. In 2002, he founded the company to create nutritional supplements that healthcare providers could believe in – and patients could benefit from.
Guided by physicians and scientists at the nation’s leading hospitals and academic medical centers, the Theralogix product family launched with a single men’s health supplement.
Our product line has now grown to 30+ supplements spanning multiple specialties – fertility, rheumatology, urology, women’s health, and more.
Medical Advisory Board
No supplement brand goes further than Theralogix to ensure scientifically-sound products. For proof, look no further than our Medical Advisory Board (MAB).
Made up of a carefully selected group of physicians, top research scientists, and faculty members at leading U.S. medical schools, our MAB evaluates and approves new product formulations, while offering guidance to improve existing ones.