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Myo-Inositol and D-Chiro Inositol

Formula

40:1 MYO + D-CHIRO INOSITOL

1,025mg

Myo-Inositol + D-Chiro Inositol

Caronositol® · 40:1 ratio · 2 capsules daily

Research-backed 40:1 ratio of myo-inositol to D-chiro inositol. Caronositol branded D-chiro for consistent potency and purity across every batch.

40:1 Ratio
GMP Certified
Made in USA
Third-Party Tested
Vegan Capsules
Caronositol®

How It Works

Benefits that build over time

1,000mg myo-inositol and 25mg D-chiro inositol in the research-backed 40:1 ratio for hormonal and metabolic support.

Week 1–2 Metabolic Foundation
  • Inositol begins supporting insulin signaling pathways
  • Some users notice improved energy stability
  • Reduced carbohydrate cravings reported early
Month 1–2 Hormonal Support
  • Hormonal support becomes more established
  • Users report improvements in cycle regularity
  • Overall hormonal balance builds with consistent use
Month 3–6 Full Potential
  • Long-term reproductive and metabolic benefits develop
  • Clinical studies show most significant outcomes in this window
  • Consistent daily use produces cumulative results

How to Use:

Take 2 capsules 20 to 30 minutes before a meal with water. Use daily for a minimum of 90 days for optimal benefits. Clinical studies on inositol typically run 3 to 6 months.

Member Reviews

4.8 ★★★★★

Based on 389 verified reviews

5
327
4
35
3
15
2
7
1
5
Ashley M.US
Verified Buyer
★★★★★

I was diagnosed with PCOS two years ago and my doctor recommended trying inositol before going on metformin. I did a lot of research and the 40:1 ratio kept coming up in the studies as the most effective. This is one of the few brands that actually uses that ratio with Caronositol which is the branded D-chiro form. After 3 months my cycle has become regular for the first time in years. My fasting insulin dropped from 22 to 14. I still have work to do but this has been a huge part of my progress. My RE was genuinely impressed at my last visit.

Helpful?
Rachel T.US
Verified Buyer
★★★★★

My cycle went from 45 to 60 day gaps down to 30 to 32 days after 2 months on this. That alone makes it worth every penny.

Helpful?
Nicole P.US
Verified Buyer
★★★★★

I tried three other inositol brands before this one. The difference is the Caronositol D-chiro and the proper 40:1 ratio. Most other brands either use the wrong ratio or use generic D-chiro inositol that who knows what the actual potency is. My skin has cleared up, my cycle is predictable now, and my cravings are way down. I take it first thing in the morning before breakfast. On my fifth bottle and I have no plans to stop.

Helpful?
Katie L.US
Verified Buyer
★★★★

It is working but it took longer than I expected. I did not see real changes until month 3. If you are considering this be patient and give it a full 90 days at minimum. My doctor said the same thing.

Helpful?
Sarah J.US
Verified Buyer
★★★★★

Best inositol on the market. 40:1 ratio. Caronositol. Clean label. Regular cycles now. Nothing else to say.

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Amanda R.US
Verified Buyer
★★★★★

My fertility specialist put me on this as part of my protocol. After 4 months of consistent use my labs improved significantly and we were able to move forward with our plans. I cannot say enough good things about this product.

Helpful?
Brittany W.US
Verified Buyer
★★★★★

PCOS warrior here. This has done more for my symptoms than anything else I have tried. Skin is clearer, periods are regular, cravings are manageable. I take 2 capsules every morning with breakfast.

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Jessica H.US
Verified Buyer
★★★★★

My endocrinologist specifically recommended the 40:1 ratio and Caronositol brand D-chiro. This checks both boxes. Fasting insulin down 8 points in 3 months.

Helpful?
Lauren D.US
Verified Buyer
★★★☆☆

Took it for 6 weeks and did not notice much yet. My doctor says I need to give it at least 3 months so I am sticking with it. The product itself seems high quality just slow to kick in for me.

Helpful?
Stephanie G.US
Verified Buyer
★★★★★

Game changer. My cycle was all over the place for years. Two months on this and I am like clockwork. Also my sugar cravings are almost gone which was unexpected.

Helpful?
Christina M.US
Verified Buyer
★★★★★

I researched inositol for months before buying. Most brands use the wrong ratio or cheap D-chiro. This one uses Caronositol and the exact 40:1 that the studies used. Worth the price difference.

Helpful?
Vanessa K.US
Verified Buyer
★★★★★

On my fourth bottle. My gynecologist is impressed with how much my labs have improved. She asked me what brand I was using so she could recommend it to other patients.

Helpful?
Megan F.US
Verified Buyer
★★★★★

This product is the real deal. Clean ingredients, proper ratio, branded D-chiro. My hormones are finally balanced after years of struggling.

Helpful?
Emily S.US
Verified Buyer
★★★★

Works well but I wish the dose was higher per capsule so I did not have to take 2. Minor complaint for an otherwise great product.

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Natalie C.US
Verified Buyer
★★★★★

Reorder. Works. My RE approves.

Helpful?
Rebecca L.US
Verified Buyer
★★★★★

I have tried 4 different inositol brands over the past year. This is the only one where I saw real measurable changes in my bloodwork. The Caronositol makes a difference. My fasting glucose went from 98 to 84 and my cycle normalized within 10 weeks.

Helpful?
Alicia B.US
Verified Buyer
★★★★★

My naturopath recommended this specifically because of the 40:1 ratio. She said most products on Amazon are not using the right proportions. After 3 months my testosterone levels have dropped into normal range for the first time in years.

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Danielle P.US
Verified Buyer
★★★★★

Worth every penny. Period. Literally.

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Samantha T.US
Verified Buyer
★★★★★

I take this alongside their ashwagandha. The combination has been amazing for my PCOS symptoms. My skin is clearer than it has been since high school and my mood is so much more stable.

Helpful?
Tiffany R.US
Verified Buyer
★★★★

Good product. Slow results but they are coming. On month 4 now and my cycle is getting shorter and more predictable. Doctor is happy with the trend.

Helpful?
Katherine A.US
Verified Buyer
★★★★★

Clean label, proper ratio, branded ingredients. This is what a premium supplement should look like. Results speak for themselves.

Helpful?
Maria V.US
Verified Buyer
★★★★★

My insulin resistance has improved dramatically since starting this. My doctor reduced my metformin dose at my last visit because my numbers were so good. Keeping this in my routine.

Helpful?
Heather N.US
Verified Buyer
★★★★★

Second order. Cycles are regular. Skin is clear. Energy is up. No complaints.

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Julie W.US
Verified Buyer
★★★☆☆

Decent product but expensive compared to powder forms. I get that the capsules and Caronositol cost more but it adds up over the 3 to 6 months you need to take it.

Helpful?
Amy G.US
Verified Buyer
★★★★★

My OB-GYN recommended inositol for my irregular cycles. After researching I chose this because of the Caronositol and the 40:1 ratio. Smart decision. Three months in and I am ovulating regularly for the first time in 2 years.

Helpful?

Questions?
We're here to help.

Research shows the body naturally maintains myo-inositol and D-chiro inositol at approximately a 40:1 ratio. Supplementing in this ratio supports the body's natural balance rather than overloading one form at the expense of the other.

Clinical studies on inositol typically run 3 to 6 months. Some users notice energy and metabolic shifts within the first month, but hormonal and reproductive benefits develop over longer periods of consistent use.

Caronositol is a branded, standardized form of D-chiro inositol. It ensures consistent potency and purity across every batch, unlike generic D-chiro sources.

While inositol research is most extensive for women's hormonal health, myo-inositol supports insulin sensitivity in both men and women. Consult your healthcare provider about whether this formula fits your specific health goals.

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