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Backed byScience
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PremiumIngredients
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Tested & Certified
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Trusted
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.
It’s What’s Inside That Counts
Research-backed formulations. Premium ingredients. No proprietary blends. No artificial dyes.
Manufactured in the USA and independently tested and certified for content accuracy, purity, and freedom from contaminants. We go above and beyond so you can trust what’s inside.
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.
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.
Benefits
Ovasitol is designed for continuous, long-term use. We recommend regular, daily use for 3-6 months to notice benefits.*
Ovasitol
Inositol Powder Supplement
Contains a blend of myo-inositol and d-chiro-inositoin the body's naturally occurring ratio of 40:1
Ovasitol is 100% pure with no additives, fillers,or dyes - physician referred & preferred.
Blog posts
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Registered Dietitians Answer Your Questions Abo...
Hundreds of thousands of women around the world swear by Ovasitol to support hormonal health, fertility, and menstrual regularity.* Still, there are several questions floating around about Ovasitol, and our...
Registered Dietitians Answer Your Questions Abo...
Hundreds of thousands of women around the world swear by Ovasitol to support hormonal health, fertility, and menstrual regularity.* Still, there are several questions floating around about Ovasitol, and our...
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Women’s Health: Supplements to Consider While T...
Hundreds of thousands of women swear by Ovasitol® to help support healthy insulin and hormone levels, menstrual regularity, and fertility.* But, did you know that Theralogix offers several other evidence-based, independently content-certified nutritional supplements...
Women’s Health: Supplements to Consider While T...
Hundreds of thousands of women swear by Ovasitol® to help support healthy insulin and hormone levels, menstrual regularity, and fertility.* But, did you know that Theralogix offers several other evidence-based, independently content-certified nutritional supplements...
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How Theralogix Formulates with Science, Not Trends
In a world where wellness trends change as quickly as social media algorithms, it’s easy to get caught up in the latest supplement “miracle.” From obscure ingredients with bold claims to fleeting fads that promise more...
How Theralogix Formulates with Science, Not Trends
In a world where wellness trends change as quickly as social media algorithms, it’s easy to get caught up in the latest supplement “miracle.” From obscure ingredients with bold claims to fleeting fads that promise more...
FAQs
What is inositol?
What is inositol?
Inositol is a nutrient found in fruits, beans, grains, and nuts, and it’s also made naturally by the body. Research shows that myo-inositol and d-chiro-inositol support:
Healthy hormone levels*
Healthy insulin and blood sugar levels*
Regular menstrual cycles*
Healthy ovarian function*
Healthy lipid levels*
Healthy egg quality in women trying to conceive*
How is Ovasitol different than other inositol supplements?
How is Ovasitol different than other inositol supplements?
Ovasitol is a 100% pure inositol powder supplement. It contains only myo-inositol and d-chiro-inositol in the body’s naturally occurring ratio of 40 to 1. Recent studies have shown that taking a combination of these two forms, in this ratio, is more beneficial than taking either myo-inositol or d-chiro-inositol alone.*
Ovasitol is the first and only 40:1 inositol supplement that’s independently tested and certified by NSF International®, so you know exactly what you’re getting.
Ovasitol is packaged in two ways to match your lifestyle – in a recyclable canister with a scoop or convenient, single-serving packets. It’s also unflavored, so it mixes seamlessly into any hot or cold non-carbonated beverage.
Who is likely to benefit from Ovasitol?
Who is likely to benefit from Ovasitol?
Women trying to support menstrual regularity, ovarian function, and healthy hormone, blood sugar, and lipid levels would likely benefit from Ovasitol.* For some women trying to conceive, myo-inositol and D-chiro-inositol may also promote healthy egg quality.* Women trying to conceive should take Ovasitol along with a preconception prenatal supplement, such as TheraNatal® Core orTheraNatal® OvaVite.
Men and postmenopausal women can also take Ovasitol to help support healthy insulin and blood sugar levels.*
How long should I take Ovasitol?
How long should I take Ovasitol?
Ovasitol is designed for continuous, long-term use. It generally takes at least three months of regular, daily use to notice menstrual benefits and at least 6 months of regular, daily use to notice skin and hair benefits.* If you’re taking Ovasitol to promote healthy egg quality, take consistently for at least six weeks.* Be sure to follow your healthcare provider’s recommendations.
Can I continue to take Ovasitol during pregnancy?
Can I continue to take Ovasitol during pregnancy?
Yes. You can safely continue to take Ovasitol during pregnancy. In fact, research shows that myo-inositol and D-chiro-inositol can support healthy blood sugar levels during pregnancy.*
Are there any side effects from Ovasitol?
Are there any side effects from Ovasitol?
No. There are no expected side effects from Ovasitol. Studies have shown that inositol is safe and well-tolerated when taken at the typical recommended dose of 4,000 mg a day.
Can I take Ovasitol with other nutritional supplements?
Can I take Ovasitol with other nutritional supplements?
Yes. You can take Ovasitol with most other dietary supplements. However, if you’re considering Ovasitol and DHEA together, please check with your healthcare provider. DHEA may raise testosterone levels and counteract the potential benefits of an inositol supplement in certain individuals.
Can I take Ovasitol with prescription medications?
Can I take Ovasitol with prescription medications?
Ovasitol can be safely taken along with most prescription medications, including birth control. As with any dietary supplement, discuss with your pharmacist and/or healthcare team to determine whether Ovasitol can be taken along with your medications.
If you are considering Ovasitol and have a prescription to manage your blood sugar, please check with your healthcare provider.
If you take thyroid medication, separate from Ovasitol by at least one hour.