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Shop Inositol Supplements

Buy Inositol supplements online from Inositol Australia. We’re dedicated to supporting Australian women facing challenges with Polycystic Ovary Syndrome (PCOS) and fertility. Our commitment is to offer the highest quality, natural Myo-Inositol powder supplements that are listed with the Therapeutic Goods Administration (TGA), designed to make a positive difference in your journey.

Note all the inositol supplements on this page are the same grade & formulation. 100% Natural Myo Inositol Powder. The supporting information and related products are different.

Inositol Supplements & PCOS

PCOS can throw a woman’s hormones out of balance, affecting much more than just her ability to conceive.

Inositol powder can provide a genuine sense of hope for those battling conditions like PCOS, providing a gentle yet powerful way to bring back hormonal balance.  

A wealth of research and clinical trials have delved into how different types of Inositol can be a boon for those struggling with PCOS. Clinical evidence points out that a lot of women with PCOS struggle with insulin resistance. Myo-Inositol steps in to fine-tune the body’s insulin response, easing many of the symptoms tied to PCOS.

A systematic review of randomized controlled trials examining Inositol’s impact on patients with PCOS revealed its beneficial effects on hormonal balance, including insulin. Specifically, inositol was shown to:

  • Alleviate PCOS-related symptoms
  • Enhance glucose to insulin ratios
  • Lower the likelihood of insulin-associated health problems
  • Aid in weight reduction
Vacation at the sea

All Inositol Products Have Same IngredientJust Natural Myo Inositol Powder. What differs is the information on the pages and the complimentary products that match the inositols primary use.

Inositol For Fertility Health

Navigating fertility challenges can be an incredibly emotional and complex journey, one that nobody should have to face alone. It’s important to remember that experiencing difficulties with fertility is more common than many realise, touching the lives of countless individuals and couples around the world. Our Inositol supplement, containing Myo-Inositol, is here to support your journey.

This carefully-crafted dietary supplement is designed to enhance fertility, providing a solid foundation for improved ovulation and egg quality. Backed by numerous positive reviews, our Myo-Inositol supplement powder is designed to improve insulin sensitivity – stimulating ovarian function, and achieving hormonal equilibrium.

Everyone deserves a smooth and supported fertility journey, and our goal is to provide that extra helping hand that can make all the difference.

myo-inositol benefits for fertility

Myo Inositol Supplements Australia FAQs

Research has not yet evaluated whether myo-inositol can balance hormones in healthy people without PCOS or fertility issues.

Myo-inositol—typically given at 2–4 g daily in combination with 200–400 μg folic acid—has been shown to improve ovarian parameters in women with polycystic ovary syndrome. In non‐PCOS women undergoing in vitro fertilization, one study reported that myo-inositol reduced gonadotropin requirements (2,084 ± 648 IU versus 2,479 ± 979 IU, p < 0.05) and modified luteinizing hormone levels (2.7 ± 1.1 vs. 1.6 ± 0.9, p < 0.01) while yielding fewer oocytes (5.9 ± 2.4 vs. 7.6 ± 3.8, p < 0.01) and producing no significant differences in pregnancy or implantation rates. No study has evaluated hormone balancing effects in healthy, non-infertile populations outside of the assisted reproduction setting. Mild gastrointestinal side effects have been noted at higher doses, although no substantial safety concerns were reported. (more…)

How does inositol help women with PCOS?

How Does Inositol Help Women with PCOS?

We can’t offer medical advice, but here’s how many women with PCOS say inositol—especially myo‑inositol—can support their day-to-day wellbeing.

What it may help with

  • More regular cycles and ovulation: By supporting insulin signalling, myo‑inositol can lower insulin levels, which may reduce excess androgens. Many women notice cycles become more predictable over time.
  • Metabolic support: Improvements in insulin resistance markers (like fasting insulin or HOMA‑IR) and sometimes lipids have been seen in studies. Day-to-day, people often describe steadier energy and fewer sugar cravings.
  • Skin and mood balance: Some report calmer skin and fewer “mood dips,” likely related to more stable insulin and androgen patterns.
  • Fertility support: Better ovulatory function and, in assisted reproduction settings, improved oocyte/embryo quality have been reported in several trials.

Safety and what to expect

  • Tolerance: Generally well tolerated. The most common early side effect is mild digestive upset, which often settles with food or a slower ramp-up.
  • Patience pays: Many people find it takes 6–12 weeks of consistent use to notice changes—and that’s totally okay. Small steps really do count.
  • A note on D‑chiro‑inositol (DCI): We do not recommend DCI on its own. Some research raises concerns that higher-dose or long-term DCI alone may be less helpful for the ovary and could be counterproductive for egg quality. If you’re considering inositol, myo‑inositol is the form most often studied for cycle regularity and metabolic support.

Simple ways to track progress

  • Jot down cycle length/ovulation signs
  • Notice energy, cravings, and mood
  • Keep an eye on skin changes
  • If you monitor labs with your clinician, note fasting glucose/insulin or lipids

Key references (plain‑language summaries available if helpful)

  • International Evidence‑Based Guideline for PCOS (2023 update): discusses inositol as an option for metabolic and ovulatory support, with variable evidence quality. Teede HJ et al., Monash University: https://www.monash.edu/medicine/sphpm/mchri/pcos/guideline
  • Unfer V, Facchinetti F, et al. Inositols in PCOS—overview of mechanisms and clinical trials. Nutrients. 2017;9(7):646. doi:10.3390/nu9070646
  • Pundir J, Psilidas S, Gopalakrishnan M, et al. Inositol treatment in women with PCOS: systematic review and meta‑analysis of randomized trials. Gynecological Endocrinology. 2018;34(7):546–557.
  • Laganà AS, Vitagliano A, Noventa M, et al. Myo‑inositol in PCOS: a systematic review and meta‑analysis showing improvements in insulin resistance and ovulatory function. Arch Gynecol Obstet. 2018;298(3):487–502.

You can read our own analysis of over 400 real reviews here.

Inositol is generally well-tolerated, but some people may experience side effects such as nausea, headache, and dizziness. If you experience any adverse effects while taking inositol, stop taking the supplement and speak with a healthcare provider. For mild side effects we recommend the ramping protocol of 1g/day in week 1, 2g/day in week 2, 3g/day in week 3 and then the full 4g/day in week 4.
Inositol may be used as a natural alternative to fertility drugs in some cases, but it is important to speak with a specialist healthcare provider before using any supplement to improve fertility.
Inositol has been studied for its potential to improve sperm quality and motility in men, but more research is needed to confirm these findings.
Yes it is considered generally safe but it is always best to speak with your specialist healthcare provider before taking any supplement during pregnancy.
Inositol can generally be taken with other fertility supplements, but it is always best to speak with a healthcare provider before starting or stopping any new supplement regimen.

We recommend a dose of 4g per day taken as 2g in the morning with breakfast and 2g taken in the evening with dinner.

Can myo-inositol help with acne related to PCOS?

Many women with PCOS find acne frustrating, as it’s often linked to hormonal imbalances—especially elevated androgens like testosterone—that can increase oil production and clog pores.

Here’s how myo-inositol might help with acne in PCOS:

  • By supporting better insulin sensitivity, myo-inositol can help lower excess insulin levels. Since high insulin can trigger the ovaries to produce more androgens, reducing insulin resistance may help bring androgen levels down a bit.
  • Lower androgen levels often mean less oiliness and fewer acne breakouts for some women over time.
  • Some people also notice improvements in skin texture and inflammation, likely due to more balanced hormones overall.

It’s important to remember:

  • Changes with acne can take time—often a few months—to become noticeable.
  • Myo-inositol is just one part of a broader approach that might include skincare, diet, stress management, and sometimes medical treatments.
  • We can’t offer medical advice, so if acne is severe or impacting your wellbeing, chatting with a healthcare professional or dermatologist is a great next step.

You can view our reviews analysis here to learn more about benefits of myo-inositol.

What changes should I expect in the first 3 months of taking myo-inositol?

Here’s the simple, gentle overview of changes many women notice in the first 3 months of taking myo-inositol for PCOS:

Weeks 1–4:

– You might not notice big changes right away, and that’s totally okay.
– Some people feel a slight boost in energy or steadier mood as blood sugar regulation begins to improve.
– Mild digestive adjustments can happen but usually settle quickly if you start with a lower dose and build up.

Weeks 4–8:

– Many women start to see improvements in menstrual cycle regularity or spotting a bit more predictable timing.
– Some notice fewer cravings or less intense sugar dips.
– Skin may start to feel calmer, though acne improvements often take longer.

Weeks 8–12:

– Ovulation may become more regular—this can sometimes be tracked with ovulation kits or basal body temperature if you’re monitoring fertility.
– Energy levels often feel more stable throughout the day.
– Hormonal symptoms like excess hair growth or acne might begin to soften, but these changes can take more time and may need additional approaches.
– Overall sense of feeling more balanced and in tune with your body is common.

Remember, everyone’s body is unique. Some see faster changes, others more gradual. It’s about gentle progress and tuning in to what feels different for you.

You Can track your changes using this Inositol 12 Week Progress Checker worksheet.

Inositol may improve fertility by regulating insulin sensitivity, which can help to regulate menstrual cycles and improve egg quality in women with PCOS.
Yes in some cases but not all. Fertility is a very complex matter and you need to consult a specialist health care professional.

What blood tests should I get for PCOS?

Refer to the Evidence Based Guidelines & our 12 essential PCOS blood tests post for more details on this.

✅ Anti-Müllerian Hormone (AMH)

✅ Total and Free Testosterone or Free Androgen Index (FAI)

✅ DHEAS (Dehydroepiandrosterone Sulfate)

✅ Sex Hormone-Binding Globulin (SHBG)

✅ Prolactin

✅ LH, FSH, and Estradiol (optional, not diagnostic)

✅ TSH (Thyroid-Stimulating Hormone)

✅ Free T4 (if thyroid dysfunction suspected)

✅ Oral Glucose Tolerance Test (OGTT)

✅ HbA1c

✅ Fasting insulin and glucose (for HOMA-IR)

✅ Lipid Profile (Total Cholesterol, LDL, HDL, Triglycerides)

The recommended daily dose for women with PCOS is 4 grams per day. This can be taken as 1 x 4g dose in the morning. Or as 2g with breakfast in the morning and 2g in the evening with dinner.A 4 gram serve is a not quite flat metric teaspoon. A 2 gram serve is a not quite flat metric 1/2 teaspoon. We now provide a 2g scoop in our Natural Myo Inositol Product.

It is recommended that you don’t take inositol with a lot of coffee as too much caffeine reduces the positive benefits. There isn’t a negative health effect rather just the reduction of positive effects.

How much is a lot? Depends on your body size and other factors but 3+ cups of coffee a day is a good place to start.

Why don't you sell a 40:1 D Chiro / Myo Inositol Blend. 1

The inositol problem in PCOS is that the body over converts Myo Inositol (MI) into D Chiro Inositol. (DCI) Adding more DCI isn’t the answer.

In PCOS patients with hyperinsulinemia, increased epimerase activity leads to excessive conversion of MI to DCI in the ovary, resulting in MI depletion and DCI overproduction (Nestler & Unfer, 2015; Unfer et al., 2014). 

This imbalance may impair FSH signaling and oocyte quality (Nestler & Unfer, 2015). Studies have shown that the MI:DCI ratio in follicular fluid drops from 100:1 in healthy women to 0.2:1 in PCOS patients (Unfer et al., 2014). 

The altered MI:DCI ratio may contribute to pathological steroidogenesis in PCOS, with DCI promoting androgen synthesis and reducing estradiol production (Unfer et al., 2020). 

Restoring the appropriate MI:DCI ratio has shown efficacy in PCOS treatment, and MI supplementation may improve oocyte and sperm quality in assisted reproduction (Facchinetti et al., 2016).

In addition D-Chiro has negative long term effects.

Please read:

Nordio, M.; Bezerra Espinola, M.S.; Bilotta, G.; Capoccia, E.; Montanino Oliva, M. Long-Lasting Therapies with High Doses of D-chiro-inositol: The Downside. J.Clin. Med. 2023, 12, 390. https://doi.org/10.3390/jcm12010390

R. GAMBIOLI, G. FORTE, C. ARAGONA, A. BEVILACQUA, M. BIZZARRI, V. UNFER. The use of D-chiro-Inositol in clinical practice European Review for Medical and Pharmacological Sciences 2021; 25: 438-446

Inositol is a very safe food supplement. It is naturally found in mothers breast milk and often used in infant formulas and baby foods.

For a small percentage of women there is an adjustment process. This may mean headaches, dizziness, stomach ache or more frequent urination for the first few days or even weeks.

If this is the case for you, then we recommend you take your regular over the counter headache tablets and or start on a smaller dose and build up to the recommended dose slowly.

So rather than 4 grams per day you might take 1g in week 1, 2g in week 2, 3g in week 3, 4g in week 4.

It may also be helpful to split the daily dose into a morning and evening serving.

If problems persist stop taking inositol immediately and talk to your GP.

Inositol is recommended by some GP’s to women who are pregnant as it reduces the risk of gestational diabetes.

There are a number of peer reviewed studies where there has been no adverse effects from near conception through to delivery.

Always check with your GP if this is right for you.

We have not found a study to say that inositol in breastmilk causes problems for breastfeeding infants.

There are studies to support some positive benefits but there isn’t a lot of research on this.

We recommend that you make your own searches using the above provided sources.

If you do find something that we haven’t seen please let us know.

The planting area for corn in Australia averages 160,000 hectares and produces around 440,000 tonnes.

In China the area planted for corn is 76,000,000 acres producing 257 million tonnes.

This is well over 500 times more corn grown than in Australia.

Inositol production is a small fraction of this large quantity.

We haven’t found an Australian grown Inositol supply and suspect that the Australian industry is too small and serves other higher yield markets

Yes. It is GMO Free, Plant Based and Vegan safe. It is made from corn.

Depends on advice from your doctor. We cannot give medical advice and this is even more specialised as it is a toxicology question relating to your personal circumstances which we are not qualified to know.

Yes inositol is recognised as generally safe when used in recommended doses.

Compared to other products, the adverse events per 100,000 users is nearly 100 times lower than other common treatments like MF.

How Inositol Compares: Estimated Adverse Events per 100,000 Users”

Substance

Estimated Adverse Events (/100k)

Inositol

0.4

L-Choline

0.7

Vitamin C

2

Vitamin D

3

Echinacea

6

St John’s Wort

10

Berberine

16

Metformin

39

References:

  • Australian Government Department of Health and Aged Care. (n.d.). Database of Adverse Event Notifications (DAEN). Therapeutic Goods Administration. https://www.tga.gov.au/safety/database-adverse-event-notifications-daen

  • Cavicchia, M. L., et al. (2019). Safety and tolerability of inositol supplementation in clinical practice: A systematic review. International Journal of Endocrinology, 2019, 1–9. https://doi.org/10.1155/2019/2532583

  • Kennedy, D. O. (2016). B vitamins and the brain: Mechanisms, dose and efficacy—A review. Nutrients, 8(2), 68. https://doi.org/10.3390/nu8020068

  • Ernst, E. (2002). Adverse effects of herbal drugs in dermatology. British Journal of Dermatology, 146(6), 929–936. https://doi.org/10.1046/j.1365-2133.2002.04770.x

  • Nathan, D. M., et al. (2006). Medical management of hyperglycemia in type 2 diabetes: A consensus algorithm. Diabetes Care, 29(8), 1963–1972. https://doi.org/10.2337/dc06-9912

 

 

 

Inositol is a sweet carbohydrate powder food supplement used for treating PCOS, fertility, certain cognitive and insulin resistant health conditions. You are best to read the wiki page for a more technical explantion. Link here.

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