GSA Myo Inositol 40-1
MYO-INOSITOL 40:1 is a synergetic formulation based on the naturally occuring ratio of 40:1 myo-inositol to D-chiro inositol that supports menstrual cycle regularity and reproductive health. It also helps support metabolic health by promoting insulin sensitivity.*
Main Health Benefits*
- Supports Fertility & Hormone Balance
- Promotes Ovarian Healthy Function
How to Use It
As dietary supplement, take 2 capsules once a day. For best results, take 20-30 min before a meal or as directed by your healthcare professional.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
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DISCLAIMER
The research cited below reflects published studies conducted on similar active ingredients used in this product. However, these studies were not performed on this product itself. We cite this research for educational purposes, to highlight the scientific basis behind our ingredient selection, and not to imply that this product will necessarily replicate these results.
KEY ACTIVE INGREDIENT
Myo‑inositol and D‑chiro‑inositol
Myo‑inositol and D‑chiro‑inositol are stereoisomers that act as second messengers in insulin signaling, helping transmit signals from insulin and follicle‑stimulating hormone (FSH) to target cells. In the ovaries, myo‑inositol predominantly supports healthy FSH signaling and estrogen production, while D‑chiro‑inositol is more involved in glucose handling and energy storage (Bizzarri et al., 2023). Experimental and clinical data indicate that a 40:1 myo‑inositol:D‑chiro‑inositol ratio mirrors the body’s natural balance and performs optimally in supplements (Facchinetti et al., 2020). Clinical trials and systematic reviews in women with polycystic ovary syndrome show that 40:1 inositol formulations improve menstrual regularity, ovulation and oocyte quality, and normalize key reproductive hormones, supporting fertility and healthy ovarian function (Nordio & Proietti, 2012; Unfer et al., 2016; Sajida et al., 2025). In addition, co‑administration of myo‑inositol and D‑chiro‑inositol tends to improve markers of insulin sensitivity and metabolic health, — including fasting insulin, triglycerides, and HDL‑cholesterol — indicating that a 40:1 blend also helps support metabolic balance by enhancing insulin signaling in both reproductive and peripheral tissues (Muscogiuri et al., 2016; Benelli et al., 2016; Caputo et al., 2020).*
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