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Myo & D-Chiro Inositol Capsules (40:1)

Supports hormonal balance, ovarian function, and the menstrual cycle. Clinically backed 40:1 ratio of Myo- & D-Chiro-Inositol.

-40% · New

Clinically backed 40:1 ratio for optimal results
Supports hormone balance, cycle regulation, & ovarian function
Ideal for women with PCOS, hormonal imbalances, or trying to conceive
Helps reduce hormonal acne & unwanted hair growth
Supports healthy insulin sensitivity & glucose metabolism

40% OFF

$44.90

$74.90

Save $30.00

90 Capsules
30 Servings

Quantity:

What are the benefits?

Our goal in developing the Women’s Best Myo & D-Chiro Inositol Capsules was to combine two biologically active forms of inositol in a scientifically backed 40:1 ratio. This ratio mirrors the natural balance of Myo-Inositol and D-Chiro-Inositol in the body and has been linked in numerous studies to positive effects on hormonal balance, ovarian function, cycle regulation, metabolism, and mood.

Inositols are vitamin B–like compounds that act as important messengers in the body. They play a key role in the signaling of various hormones, including insulin, thyroid hormones, and those essential for the menstrual cycle and fertility.

We combine Myo-Inositol and D-Chiro-Inositol because these forms serve distinct but complementary functions in the body. Myo-Inositol supports follicle maturation in the ovaries and cellular signaling, while D-Chiro-Inositol is primarily involved in insulin signaling pathways and glucose metabolism. Studies have shown that the 40:1 ratio, alongside the 3.6:1 ratio, is particularly effective in supporting the natural balance of these two forms.

Inositol has been extensively studied over recent decades, with particularly well-documented potential benefits in:

Polycystic ovary syndrome (PCOS)
Insulin resistance and impaired glucose metabolism
Metabolic disorders
Depression and anxiety disorders
Mental health and mood

One of its most important applications is in supporting women with PCOS (polycystic ovary syndrome). PCOS is the most common hormonal disorder in women of reproductive age, and is often associated with irregular cycles, elevated androgen levels, insulin resistance, and fertility challenges. Studies suggest that Myo-Inositol and D-Chiro-Inositol can specifically help support these symptoms.

Beyond this, as a vitamin-like compound, inositol may also support mental well-being, including in cases of depression, panic attacks, and obsessive-compulsive disorders. It is involved in pathways that regulate serotonin and dopamine (key neurotransmitters that influence mood), which is why its effects on anxiety and depression are increasingly being researched.

Our Women’s Best Myo & D-Chiro Inositol Capsules are ideal for women with PCOS, irregular cycles, hormonal fluctuations, or hormone-related skin issues, while also supporting metabolism and insulin sensitivity. The targeted combination of both inositol forms in the clinically proven 40:1 ratio helps to restore hormonal balance.

Sources
Monastra, G., Unfer, V., Harrath, A. H., & Bizzarri, M. (2017). Combining treatment with myo-inositol and D-chiro-inositol (40:1) is effective in restoring ovary function and metabolic balance in PCOS patients. Gynecological Endocrinology, 33(1), 1–9.
Greff, D., Juhász, A. E., Vancsa, S., Varadi, A., Sipos, Z., Szinte, J., ... & Horváth, E. M. (2023). Inositol is an effective and safe treatment in polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials. Reproductive Biology and Endocrinology, 21(1), 10.

How do I take it?

Take 1 capsule in the morning or at midday, and 2 capsules in the evening with a meal.

Ingredients

Clinically studied 40:1 ratio.

In human blood plasma, Myo-inositol and D-chiro-inositol naturally occur in a 40:1 ratio. In clinical studies, two ratios in particular have been extensively researched: 40:1 and 3.6:1, with both showing compelling results. Our Women’s Best Myo & D-Chiro Inositol Capsules contain the 40:1 ratio.

Myo- and D-chiro-inositol work together in a unique and complementary way in the body: Myo-inositol supports follicle maturation in the ovaries and plays an essential role in cellular signaling, while D-chiro-inositol is specifically involved in insulin signaling pathways and glucose metabolism. Together, they promote healthy insulin signaling and hormonal balance.

Source
Monastra, G., Unfer, V., Harrath, A. H., & Bizzarri, M. (2017). Combining treatment with myo-inositol and D-chiro-inositol (40:1) is effective in restoring ovary function and metabolic balance in PCOS patients. Gynecological Endocrinology, 33(1), 1-9.
Greff, D., Juhász, A. E., Vancsa, S., Varadi, A., Sipos, Z., Szinte, J., ... & Horváth, E. M. (2023). Inositol is an effective and safe treatment in polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials. Reproductive biology and endocrinology, 21(1), 10.

Extensively studied in PCOS and hormonal disorders.

Polycystic ovary syndrome (PCOS) is the most common hormonal disorder in women of reproductive age and is often associated with irregular cycles, elevated androgen levels, insulin resistance, and fertility issues.

Studies show that inositol can target these symptoms in PCOS: it supports cycle regularity, promotes ovulation, and helps restore metabolic and hormonal balance – delivering measurable benefits in cycle regulation, body weight, blood sugar levels, and androgen levels.

Sources
Greff, D., Juhász, A. E., Vancsa, S., Varadi, A., Sipos, Z., Szinte, J., ... & Horváth, E. M. (2023). Inositol is an effective and safe treatment in polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials. Reproductive biology and endocrinology, 21(1), 10.
Unfer, V., Facchinetti, F., Orrù, B., Giordani, B., & Nestler, J. (2017). Myo-inositol effects in women with PCOS: a meta-analysis of randomized controlled trials. Endocrine connections, 6(8), 647-658.

Extensively studied in PCOS and hormonal disorders.

Insulin resistance: widespread and often unnoticed.

Insulin resistance is more common than you might think and doesn’t only affect those who are overweight. Crucially, if left untreated, it can lead to diabetes and other metabolic disorders over time.

The combination of Myo-inositol and D-chiro-inositol supports insulin signaling in the cells, helping the body become more responsive to the hormone again. Studies show that inositol can measurably reduce fasting insulin levels as well as key markers of insulin resistance.

Source
Larner, J. (2002). D‐chiro‐inositol–its functional role in insulin action and its deficit in insulin resistance. Journal of Diabetes Research, 3(1), 47-60.

Insulin resistance: widespread and often unnoticed.

Natural support for the menstrual cycle and fertility.

Myo-inositol naturally occurs in the follicular environment of the ovaries and plays a role in egg maturation. Studies show that supplementation in women with PCOS can promote ovulation and positively influence hormonal metabolism, which are both key factors when trying to conceive.

In a clinical study involving over 3,600 women with PCOS, 70% of participants experienced ovulation again after 8 to 12 weeks of taking 2,000 mg of Myo-inositol and 200 µg of folic acid daily; a total of 545 pregnancies were recorded. At the same time, hormone levels moved closer to the normal range: testosterone levels decreased significantly, while progesterone levels increased substantially.

Sources
Gambioli, R., Forte, G., Buzzaccarini, G., Unfer, V., & Laganà, A. S. (2021). Myo-inositol as a key supporter of fertility and physiological gestation. Pharmaceuticals, 14(6), 504.
Regidor, P. A., Schindler, A. E., Lesoine, B., & Druckman, R. (2018). Management of women with PCOS using myo-inositol and folic acid. New clinical data and review of the literature. Hormone molecular biology and clinical investigation, 34(2), 20170067.

Natural support for the menstrual cycle and fertility.

For mood, anxiety, and mental well-being.

Inositol supports the balance of key neurotransmitters such as serotonin and dopamine, which influence mood, emotional balance, and overall mental stability. Since individuals with depression, anxiety, or obsessive-compulsive disorders often show lower inositol levels in the brain, targeted supplementation may help address this imbalance. Clinical studies also show that inositol can help reduce anxiety and inner restlessness, as well as noticeably decrease the frequency and intensity of panic attacks.

Source
Mukai, T., Kishi, T., Matsuda, Y., & Iwata, N. (2014). A meta‐analysis of inositol for depression and anxiety disorders. Human Psychopharmacology: Clinical and Experimental, 29(1), 55-63.

For mood, anxiety, and mental well-being.

Plant-based capsule shell by Vcaps®.

More and more people are opting for vegetarian options when choosing dietary supplements. That’s why for our capsule shells we use purely plant-based ingredients from Vcaps®, a brand certified by the Vegetarian Society.

Quality you can trust.

We take quality seriously, and our Women’s Best Myo & D-Chiro Inositol Capsules are manufactured to the strictest standards in Germany. Each batch undergoes rigorous testing to ensure it meets our high standards when it comes to quality and effectiveness.