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.
Myo Inositol
01HORMONAL BALANCE
Supports healthy insulin and ovarian function.*
02CYCLE REGULARITY
Consistent, predictable monthly cycles.*
03THE STUDIED RATIO
40:1, the same balance your body makes naturally.*
Ingredients
Quality Standards
Inside Myo Inositol.
Myo and D-chiro inositol in the 40:1 ratio, 1,025mg per serving.
Myo-Inositol
A naturally occurring sugar alcohol found in every cell, once called vitamin B8.
Supports the insulin signaling that sits behind healthy hormone balance and steady energy.*
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.
- Fewer carb cravings
- Energy feels steadier
- Less of a slump after meals
- Cycles feel more predictable
- Mood holds steadier
- Skin looks calmer
- The research window
- Benefits feel settled in
- A new, steadier baseline
- Balance stays
- Energy stays steady
- Works best taken daily

How to take it.
Reviews
Member Reviews.
Real reviews from verified Dear Apothecary customers.
Based on 389 verified reviews
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.
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.
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.
Best inositol on the market. 40:1 ratio. Caronositol. Clean label. Regular cycles now. Nothing else to say.
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.
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.
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.
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.
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.
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.
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.
This product is the real deal. Clean ingredients, proper ratio, branded D-chiro. My hormones are finally balanced after years of struggling.
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.
Reorder. Works. My RE approves.
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.
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.
Worth every penny. Period. Literally.
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.
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.
Clean label, proper ratio, branded ingredients. This is what a premium supplement should look like. Results speak for themselves.
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.
Second order. Cycles are regular. Skin is clear. Energy is up. No complaints.
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.
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.
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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