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Health Canada NPN 80091464 4g Pure Myo-Inositol Per Scoop Vegan · Non-GMO · No Fillers 500g Powder - 125 Servings
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CanPrev Myo-Inositol Powder - PCOS Support | 500g

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$69.99 CAD ($0.56 / serving)
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BrandCanPrev
Serving4 g (1 scoop) for PCOS support; 12 g (3 scoops) for mood support
Licensed Natural Health ProductNPN 80091464
Quality StandardsGMP-compliant facility
CountryMade in Canada Made in Canada

About this item

  • SUPPORTS PCOS - THE AUTHORIZED USE: CanPrev Myo-Inositol's Health Canada license authorizes support for the management of hormonal and metabolic conditions in those with PCOS: promoting healthy glucose metabolism, menstrual regularity, ovulatory function and oocyte quality, from a 4 g dose of pure myo-inositol per scoop.
  • ALSO SUPPORTS MOOD BALANCE AT A HIGHER DOSE: At 3 scoops (12 g) per day, the same license authorizes support for a healthy mood balance - a second, distinct use on the same product.
  • FLEXIBLE, LABEL-GUIDED DOSING: Adults take 1 scoop per day for PCOS support, or 1 scoop three times per day for mood support, or as directed by a health care practitioner.
  • SIMPLE, SINGLE-INGREDIENT FORMULA: 4 g of myo-inositol per scoop with no non-medicinal ingredients at all - no fillers, flavours, sugars or binders.
  • MILD TASTE, EASY TO MIX: A mild-tasting, unflavoured powder that mixes easily into water or a beverage of choice - no capsules to swallow.
  • VEGAN, NON-GMO & MADE IN CANADA: A clean, allergen-conscious formula - vegan, non-GMO, gluten-free, dairy-free and soy-free, with no artificial colours, flavours, sugar or preservatives. Formulated and made in Canada, licensed by Health Canada as a Natural Health Product, NPN 80091464.

Product Description

Myo-Inositol - Pure PCOS & Mood Balance Support

CanPrev Myo-Inositol Powder

CanPrev Myo-Inositol delivers a 4 g dose of pure myo-inositol per scoop in a mild-tasting, unflavoured powder. Helps with the management of hormonal and metabolic conditions in those with PCOS by promoting healthy glucose metabolism, menstrual regularity, ovulatory function and oocyte quality; at 3 scoops, also helps support a healthy mood balance. A single-ingredient, vegan, non-GMO formula made in Canada, with no fillers. Licensed Natural Health Product NPN 80091464.

CanPrev Myo-Inositol offre une dose de 4 g d'inositol (myo-inositol) pur par mesure, en une poudre non aromatisée et douce au goût. Aide à la gestion des conditions hormonales et métaboliques chez les personnes atteintes du SOPK en favorisant un métabolisme sain du glucose, la régularité du cycle menstruel, la fonction ovulatoire et la qualité des ovocytes; avec la prise de 3 mesures, aide également à soutenir un équilibre sain de l'humeur. Une formule à ingrédient unique, végane, sans OGM, fabriquée au Canada, sans agents de remplissage. Produit de santé naturel homologué. NPN 80091464.

Myo-Inositol Powder lifestyle
CanPrev Myo-Inositol Powder
4g Pure Myo-Inositol · Vegan · 125-Day Supply

Pure Myo-Inositol, 4 g Per Scoop

Single-ingredient powder - Vegan, Non-GMO, No Fillers

4 g Per Scoop, No Fillers

A focused dose of pure myo-inositol in every scoop, with zero non-medicinal ingredients - no binders, flavours, sugars or artificial additives.

Two Label-Guided Use Profiles

1 scoop daily for PCOS support (glucose metabolism, menstrual regularity, ovulatory function, oocyte quality), or 1 scoop three times daily for mood balance support - the same Health Canada license covers both.

What CanPrev Myo-Inositol Supports

Myo-inositol is one of the most studied nutrients for PCOS. Here's what the label and the research summarize about its role.

PCOS Hormonal & Metabolic Support

Helps with the management of hormonal and metabolic conditions in those with PCOS by promoting healthy glucose metabolism and menstrual regularity - the Health Canada-authorized use on this product's license.

Ovulatory Function & Oocyte Quality

Helps promote ovulatory function and improve oocyte quality in those with PCOS, alongside the metabolic and hormonal support above.

Healthy Glucose Metabolism

Supports the body's healthy handling of glucose, a key metabolic concern for many people managing PCOS.

Mood Balance (at 3 Scoops)

At the higher 3-scoop dose, helps support a healthy mood balance - a second authorized use on the same license.

CanPrev Myo-Inositol Powder: Supplement Facts

CanPrev™Myo-Inositol Powder
English

Each Scoop contains:

  • Inositol (myo-inositol) per scoop4 g

Non-Medicinal Ingredients: None.

Recommended Use or Purpose: At 3 scoops, helps support a healthy mood balance. Also helps with the management of hormonal and metabolic conditions in those with PCOS by promoting healthy glucose metabolism and menstrual regularity, and helps promote ovulatory function and improve oocyte quality.

Recommended Dose (Adults): For PCOS: take one (1) scoop per day, or as directed by a health care practitioner. For mood: take one (1) scoop, three (3) times per day, or as directed by a health care practitioner. Recommended Duration of Use: Consult a health care practitioner for use beyond 3 months.

Cautions and Warnings: As with any natural health product, consult a health care practitioner prior to use, especially if you are pregnant, breastfeeding, bipolar, or taking Lithium. Consult a health care practitioner if symptoms persist or worsen, or if you experience nausea, tiredness, headache, dizziness, abdominal pain, flatulence or soft stools. To ensure timely treatment of a serious cause of infertility, consult a health care practitioner prior to use. Known Adverse Reactions: At 3 scoops per day, may cause gastrointestinal discomfort (nausea, diarrhea, flatus). Do not use if the safety seal is broken. Keep out of reach of children. Store in a cool, dry place.

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. Formulated and made in Canada by CanPrev Natural Health Products Ltd. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.

Français

Chaque mesure contient :

  • Inositol (myo-inositol) par mesure4 g

Ingrédients non médicinaux : Aucun.

Usage ou fins recommandés : Avec la prise de 3 mesures, l'inositol aide à soutenir l'équilibre sain de l'humeur. Il contribue également à la gestion des conditions hormonales et métaboliques chez les personnes atteintes du SOPK en favorisant le métabolisme sain du glucose et la régularité du cycle menstruel, et il contribue à promouvoir la fonction ovulatoire et à améliorer la qualité des ovocytes.

Dose recommandée (adultes) : Pour le SOPK : prendre une (1) mesure par jour, ou selon l'avis d'un praticien de soins de santé. Pour l'humeur : prendre une (1) mesure, trois (3) fois par jour, ou selon l'avis d'un praticien de soins de santé. Durée d'utilisation recommandée : Consulter un praticien de soins de santé pour un usage de plus de 3 mois.

Mises en garde et avertissements : Comme avec tout produit de santé naturel, consultez un professionnel de la santé avant d'en faire l'usage, surtout si vous êtes enceinte, allaitez, êtes bipolaire ou prenez du lithium. Consultez un professionnel de la santé si les symptômes persistent ou s'aggravent, ou si vous souffrez de nausées, de fatigue, de maux de tête, de vertiges, de douleurs abdominales, de flatulences ou de selles molles. Pour garantir un traitement rapide d'une cause grave d'infertilité, consultez un professionnel de la santé avant d'en faire l'usage. Réactions indésirables connues : Avec la prise de 3 mesures par jour, ce produit pourrait causer de l'inconfort gastro-intestinal (nausées, diarrhée, flatulences). Ne pas utiliser si le sceau de sécurité est brisé. Tenir hors de la portée des enfants. Conserver dans un endroit frais et sec.

NPN 80091464

4g Pure Myo-Inositol Per Scoop · No Fillers500g Powder · 125 ServingsSupports PCOS, Glucose Metabolism & MoodVegan · Non-GMO · Made in Canada

Add CanPrev Myo-Inositol to your daily routine

Get CanPrev Myo-Inositol on Amazon.ca - fast, protected delivery.

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Why CanPrev Myo-Inositol

A clean, single-ingredient PCOS and mood-balance supplement in an easy-to-mix powder.

Single-ingredient focus

4 g of pure myo-inositol per scoop, with zero non-medicinal ingredients - no fillers, flavours or binders.

Two authorized uses, one product

Health Canada licenses this product for PCOS hormonal/metabolic support at 1 scoop daily, and for mood balance support at 3 scoops daily - clear, verified uses, not vague wellness claims.

Easy-to-mix powder, not capsules

A mild-tasting, unflavoured powder that dissolves into water or a beverage of choice - simple to fit into a daily routine.

Trusted Canadian brand

CanPrev - formulated and made in Canada, licensed under Health Canada NPN 80091464.

How to use it

Choose your dose based on your goal

Adults: for PCOS support, take 1 scoop (4 g) per day. For mood support, take 1 scoop, three times per day (12 g total). Or as directed by a health care practitioner.

Mix into water or a beverage

Stir the mild-tasting, unflavoured powder into water or your beverage of choice until dissolved.

Guided long-term use

Consult a health care practitioner for use beyond 3 months.

What the research says about myo-inositol

Educational summaries of published research on myo-inositol, including honest evidence gaps where studies found no significant effect - these are not product-specific claims. CanPrev Myo-Inositol's own claims are the authorized uses under NPN 80091464: PCOS hormonal/metabolic support (glucose metabolism, menstrual regularity, ovulatory function, oocyte quality) at 1 scoop daily, and mood balance support at 3 scoops daily.

Ovulatory Function & Menstrual Cycle Regularity

An early, low-risk option for restoring ovulation

A narrative review of PCOS ovulation-induction options describes inositol as a dietary supplement with a documented effect on ovulation and no adverse effects at recommended doses, suitable as an early treatment choice.

Review
Tanbo et al., Acta Obstetricia et Gynecologica Scandinavica (2018)
Ovulatory Function & Menstrual Cycle Regularity

Menstrual cycles normalized in about half of women

In a head-to-head randomized trial, myo-inositol (4 g/day) and metformin both improved insulin sensitivity, reduced BMI and normalized the menstrual cycle in around 50% of women with PCOS, with no significant difference between the two.

Human RCT
Fruzzetti et al., Gynecological Endocrinology (2016)
Ovulatory Function & Menstrual Cycle Regularity

68% restored menstrual regularity over 6 months

In a prospective clinical study of 90 women with PCOS taking myo-inositol 1 g twice daily for 6 months, about 68% restored menstrual cycle regularity, with significant reductions in LH and the LH/FSH ratio.

Prospective study
Sharon P et al., Cureus (2024)
Insulin Sensitivity & Glucose Metabolism

Reviewed by the 2023 international PCOS guideline

A systematic review and meta-analysis conducted to inform the 2023 international evidence-based PCOS guideline found inositol may benefit some metabolic measures, with fewer gastrointestinal side effects than metformin.

Systematic review
Fitz et al., The Journal of Clinical Endocrinology & Metabolism (2024)
Insulin Sensitivity & Glucose Metabolism

Insulin-mimetic properties in glucose metabolism

A biochemistry review describes how myo-inositol shows insulin-mimetic properties and helps lower post-prandial blood glucose, supporting its relevance to insulin-resistant conditions including PCOS.

Review
Croze & Soulage, Biochimie (2013)
Insulin Sensitivity & Glucose Metabolism

Lower glucose and insulin levels vs placebo across 26 trials

A meta-analysis of 26 randomized controlled trials found inositol treatment reduced glucose and insulin (AUC) levels compared with placebo, and increased sex-hormone-binding globulin, with non-inferiority to metformin on most outcomes.

Meta-analysis
Greff et al., Reproductive Biology and Endocrinology (2023)
The 40:1 Myo-Inositol to D-Chiro-Inositol Ratio

The 40:1 ratio best restored ovulation among 7 tested ratios

A clinical trial comparing seven different myo-inositol to D-chiro-inositol ratios in PCOS patients found the 40:1 ratio - the body's own physiological tissue ratio - was the most effective at restoring ovulation.

Human RCT
Nordio et al., European Review for Medical and Pharmacological Sciences (2019)
The 40:1 Myo-Inositol to D-Chiro-Inositol Ratio

An international consensus on dosing and the physiological ratio

The International Consensus Conference on myo-inositol and D-chiro-inositol concluded that 2 g of myo-inositol twice daily is effective for PCOS management, and identified the 40:1 ratio as reflecting the body's own tissue balance.

Consensus statement
Facchinetti et al., European Journal of Obstetrics, Gynecology, and Reproductive Biology (2015)
The 40:1 Myo-Inositol to D-Chiro-Inositol Ratio

Myo-inositol alone shows the clearest reproductive benefit

A review of combined inositol therapy concludes that myo-inositol alone has demonstrated benefits for reproductive function, while combining it with D-chiro-inositol at the physiological 40:1 ratio produces the best overall clinical results.

Review
Unfer & Porcaro, Expert Review of Clinical Pharmacology (2014)
Fertility Support & Oocyte/Embryo Quality

Combined therapy outperformed D-chiro-inositol alone for IVF outcomes

A randomized controlled trial found that myo-inositol combined with D-chiro-inositol at the physiological ratio - not D-chiro-inositol alone - improved oocyte quality, embryo quality and pregnancy rates in PCOS women undergoing IVF.

Human RCT
Colazingari et al., Archives of Gynecology and Obstetrics (2013)
Fertility Support & Oocyte/Embryo Quality

A recurring finding across assisted-reproduction studies

A review of inositol treatment in PCOS undergoing IVF/ICSI reports that inositol has been shown to improve folliculogenesis and embryo quality and to increase the mature oocyte yield following ovarian stimulation.

Review
Garg & Tal, International Journal of Endocrinology (2016)
Fertility Support & Oocyte/Embryo Quality

A cautious but positive place among IVF nutritional supplements

An evidence-based review of nutritional supplements used during IVF notes a possible benefit of myo-inositol for women with PCOS, while acknowledging the optimal dosing regimen is still unclear.

Review
Hart, Reproductive Biomedicine Online (2023)
Hormonal Balance: LH, FSH & Androgens

Myo-inositol showed the most marked metabolic effect head-to-head

A randomized trial comparing myo-inositol and D-chiro-inositol directly found both isoforms improved ovarian function, with myo-inositol showing the more marked effect on the metabolic profile specifically.

Human RCT
Pizzo et al., Gynecological Endocrinology (2013)
Hormonal Balance: LH, FSH & Androgens

Combined therapy reduced LH and free testosterone

In a randomized trial of overweight PCOS women, myo-inositol plus D-chiro-inositol (40:1) significantly reduced LH, free testosterone, fasting insulin and HOMA-IR versus placebo, with a significant increase in estradiol.

Human RCT
Benelli et al., International Journal of Endocrinology (2016)
Hormonal Balance: LH, FSH & Androgens

Testosterone, LH and free androgen index all decreased

An open prospective study of the 40:1 myo-inositol/D-chiro-inositol ratio in PCOS phenotype A found significant decreases in total and free testosterone, free androgen index and LH, alongside increases in SHBG and estradiol.

Prospective study
Pustotina et al., Gynecologic and Obstetric Investigation (2024)
Comparative & Combination Research

Outperformed metformin alone for menstrual frequency

A network meta-analysis found that myo-inositol combined with D-chiro-inositol was associated with a significantly greater improvement in menstrual frequency compared with metformin alone.

Network meta-analysis
Zhao et al., Reproductive Health (2021)
Comparative & Combination Research

Greater improvement in carbohydrate metabolism than berberine or metformin

A prospective randomized study comparing berberine, metformin and myoinositol in PCOS found myoinositol produced the greatest improvement in carbohydrate metabolic parameters among the three, though berberine showed greater hormonal and lipid changes.

Human RCT
Mishra et al., Cureus (2022)
Comparative & Combination Research

Adding inositol to metformin improved cycle regularity further

A meta-analysis of 6 randomized trials found that combining metformin with inositol improved menstrual cycle regularity and reduced the LH/FSH ratio compared with metformin alone, though blood glucose and HOMA-IR differences were not significant.

Meta-analysis
Kelly et al., Endocrine (2024)
Safety, Tolerability & Honest Evidence Gaps

No clear effect found on ovarian reserve markers

A systematic review and meta-analysis of 18 trials found insufficient evidence that inositol changes anti-Mullerian hormone or antral follicle count, or improves IVF/ICSI reproductive outcomes as pretreatment - an honest, uncertain finding worth noting alongside the positive studies.

Systematic review
Bhide et al., Acta Obstetricia et Gynecologica Scandinavica (2019)
Safety, Tolerability & Honest Evidence Gaps

A reminder that inositol isomers are not interchangeable

A study of high-dose D-chiro-inositol (a different isomer, at 2400 mg/day) in insulin-resistant women found unexpected increases in testosterone and menstrual irregularity - underscoring why this product uses pure myo-inositol rather than high-dose D-chiro-inositol.

Human study
Basciani et al., Frontiers in Endocrinology (2025)
Safety, Tolerability & Honest Evidence Gaps

A trend toward better embryo quality, not yet statistically definitive

A review of myo-inositol in assisted reproduction found many studies trending toward improved embryo quality in PCOS, but concluded the evidence is not yet strong enough to be statistically definitive and called for larger, well-controlled trials.

Review
Gupta et al., Cureus (2020)
Mechanism: Myo-Inositol as an Insulin Second Messenger

The original insulin-signaling hypothesis for PCOS

A foundational review proposed that insulin's action on ovarian androgen production is transmitted by inositolphosphoglycan second messengers, and that a defect converting myo-inositol to D-chiro-inositol may contribute to both insulin resistance and hyperandrogenism in PCOS.

Foundational review
Nestler et al., Journal of Pediatric Endocrinology & Metabolism (2000)
Mechanism: Myo-Inositol as an Insulin Second Messenger

Distinct biochemical roles within the oocyte itself

A review of myo-inositol and D-chiro-inositol describes their involvement in biochemical pathways within oocytes that affect maturation, fertilization and post-implantation development, alongside their roles in insulin signaling and ovarian hormone synthesis.

Review
Kamenov & Gateva, Molecules (2020)
Mechanism: Myo-Inositol as an Insulin Second Messenger

Beyond insulin: direct effects on steroid hormone production

A comprehensive review of inositol research describes how myo-inositol and D-chiro-inositol influence steroidogenesis directly - not only through insulin sensitivity - by modulating the enzymes that regulate androgen and estrogen production in the ovary.

Review
Dinicola et al., International Journal of Molecular Sciences (2021)

Frequently asked questions

What is CanPrev Myo-Inositol and what does it do?

Myo-inositol is a naturally occurring nutrient involved in cell signaling and glucose metabolism. CanPrev Myo-Inositol provides 4 g of pure myo-inositol per scoop; its Health Canada-authorized uses are supporting the management of hormonal and metabolic conditions in those with PCOS (glucose metabolism, menstrual regularity, ovulatory function, oocyte quality) and, at 3 scoops, supporting a healthy mood balance.

How do I take CanPrev Myo-Inositol?

For PCOS support: take 1 scoop (4 g) per day. For mood support: take 1 scoop, three times per day (12 g total). Or as directed by a health care practitioner. One 500 g container provides 125 servings at the 1-scoop dose. Consult a health care practitioner for use beyond 3 months.

What is the difference between the PCOS dose and the mood dose?

Both uses are on the same Health Canada license, at different doses: 1 scoop (4 g) per day is the PCOS-support dose, while 3 scoops (12 g) per day is the mood-balance-support dose. Follow the dose that matches your goal, or ask a health care practitioner which is right for you.

Are there any side effects?

At 3 scoops per day, myo-inositol may cause gastrointestinal discomfort such as nausea, diarrhea or flatus. Consult a health care practitioner if you experience nausea, tiredness, headache, dizziness, abdominal pain, flatulence or soft stools that persist or worsen.

Who should not use it, or should check with a practitioner first?

Consult a health care practitioner before use if you are pregnant, breastfeeding, bipolar, or taking Lithium. If infertility is a concern, consult a health care practitioner first to ensure timely treatment of any serious underlying cause. Do not use if the safety seal is broken.

Is it vegan and allergen-friendly?

Yes - vegan, non-GMO, gluten-free, dairy-free, soy-free, wheat-free and yeast-free, with no added sugar and no artificial colours, flavours or preservatives. There are no non-medicinal ingredients at all - just pure myo-inositol.

Is it made in Canada?

Yes. CanPrev Myo-Inositol is formulated and made in Canada by CanPrev Natural Health Products Ltd. and licensed by Health Canada as a Natural Health Product under NPN 80091464.

Where do I buy it?

Use the orange button on this page - it takes you to the CanPrev listing on Amazon.ca for secure checkout and fast delivery.

4g Pure Myo-Inositol Per Scoop · No Fillers500g Powder · 125 ServingsSupports PCOS, Glucose Metabolism & MoodVegan · Non-GMO · Made in Canada

Add CanPrev Myo-Inositol to your daily routine

Get CanPrev Myo-Inositol on Amazon.ca - fast, protected delivery.

Get it on Amazon.ca

Natural Health Product NPN 80091464. At 3 scoops, helps support a healthy mood balance; also helps with the management of hormonal and metabolic conditions in those with PCOS by promoting healthy glucose metabolism, menstrual regularity, ovulatory function and oocyte quality. The research summaries below concern the ingredient myo-inositol generally and are educational - they are not claims about this finished product beyond its licensed use. Read and follow the label. Consult a health care practitioner before use if you are pregnant, breastfeeding, bipolar, or taking Lithium, or if symptoms persist or worsen. To ensure timely treatment of a serious cause of infertility, consult a health care practitioner prior to use. Consult a health care practitioner for use beyond 3 months. Results may vary.

Important information

Safety Information

Cautions and Warnings: As with any natural health product, consult a health care practitioner prior to use, especially if you are pregnant, breastfeeding, bipolar, or taking Lithium. Consult a health care practitioner if symptoms persist or worsen, or if you experience nausea, tiredness, headache, dizziness, abdominal pain, flatulence or soft stools. To ensure timely treatment of a serious cause of infertility, consult a health care practitioner prior to use. Known Adverse Reactions: At 3 scoops per day, may cause gastrointestinal discomfort (nausea, diarrhea, flatus). Do not use if the safety seal is broken. Keep out of reach of children. Store in a cool, dry place.

Indications

Recommended Use or Purpose: At 3 scoops, helps support a healthy mood balance. Also helps with the management of hormonal and metabolic conditions in those with PCOS by promoting healthy glucose metabolism and menstrual regularity, and helps promote ovulatory function and improve oocyte quality.

Ingredients

Medicinal Ingredients (1 Scoop): Inositol (myo-inositol) 4 g. Non-medicinal Ingredients: None. Vegan, non-GMO, gluten-free, dairy-free, soy-free, wheat-free, yeast-free; no added sugar and no artificial colours, flavours or preservatives.

Directions

Recommended Dose (Adults): For PCOS: take one (1) scoop per day, or as directed by a health care practitioner. For mood: take one (1) scoop, three (3) times per day, or as directed by a health care practitioner. Recommended Duration of Use: Consult a health care practitioner for use beyond 3 months.

Legal Disclaimer

Actual product packaging and materials may contain more and different information than shown on our website. Always read labels, warnings and directions before using or consuming a product. Formulated and made in Canada by CanPrev Natural Health Products Ltd. This item is sold and shipped by Amazon.ca; purchases are completed on Amazon.