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Rated 4.59 out of 5, 695 reviews.

Inositol (Women’s Core Nutrient)

Delicious vanilla stick packs for hormonal & metabolic wellness — powered by clinically studied 40:1 inositol, lactoferrin & methylated folate.

  • Cycle regularity & hormonal balance*
  • Reproductive health & healthy ovulation*
  • Mood balance & cellular energy*
  • Hormonal weight management*
  • Healthier looking skin & hair*
  • Healthy insulin function for PCOS-related symptom support*‡

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3 Foundational Nutrients for Women’s Wellness*

A clinically precise 40:1 balance of myo- and d-chiro inositol, the same ratio found in healthy ovaries, designed to support hormone signaling, insulin response, and cycle consistency at the cellular level.*

(Third-party tested, view COA)

3 Foundational Nutrients for Women’s Wellness*

The first bio-identical human lactoferrin that supports iron utilization, gut and immune balance, healthy inflammatory signaling and delivers up to 15× more active lactoferrin than colostrum-based supplements.*

(Third-party tested, view COA)

3 Foundational Nutrients for Women’s Wellness*

An active form of 5-MTHF folate that the body can immediately use. It supports reproductive health, healthy cell division, red blood cell formation, and foundational cellular function.*

(Third-party tested, view COA)

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Clinically Studied.‡ Foundational by Design.

Inositol is one of the most researched nutrients in women’s hormone health.*

  • 40:1
    CLINICALLY STUDIED INOSITOL RATIO*
    The myo-inositol to D-chiro-inositol ratio most often used in research to support hormone and metabolic balance.*
  • 15X
    MORE LACTOFERRIN THAN COLOSTRUM*
    Effera™ Lactoferrin delivers up to 15 times more per dose than colostrum supplements.*†
  • up to 42%
    IMPROVEMENT IN CYCLE REGULARITY*
    Inositol has been shown to support more consistent menstrual cycles with daily use.*†
  • up to 60%
    IMPROVEMENT IN SKIN & HAIR HEALTH*
    Inositol has been shown to support clearer skin & hair health over time.*†

†Based on individual ingredient research.

Hormone Balance Is A Daily Practice, Not A Quick Fix

Inositol works by supporting foundational cellular signaling, so its benefits build through consistent daily use.*

Month Set the Signal

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As you begin taking Inositol consistently, your cells receive daily nutritional support for insulin and hormone signaling. Early shifts may feel subtle, but some people may begin noticing steadier energy, more balanced cravings, or a calmer-feeling month.*

MONTH Find Your Rhythm

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As daily support builds, changes across mood, monthly comfort, energy, and cycle predictability may become easier to notice. Your body is establishing a more consistent foundation for hormonal and metabolic communication.*

Months Build Lasting Balance

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Around the three-month mark, (the timeframe used in many inositol studies), more meaningful changes in insulin sensitivity, hormone signaling, cycle regularity, and ovulation support may emerge.*

Why Choose arrae Inositol?

Arrae Inositol

Other Inositol Supplements

Arrae Inositol
Other Inositol Supplements
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    Research-informed 40:1 myo- to D-chiro-inositol ratio
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    Contains inositol, lactoferrin & folate
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    Includes ready-to-use Quatrefolic® 5-MTHF
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    Delicious, travel-ready vanilla stick packs
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    Individually dosed for easy daily consistency
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    0g sugar and 0g sugar alcohols
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    Delicious, on-the-go stick packs
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    May contain myo-inositol alone or an unspecified ratio
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    Usually contains inositol only
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    May use traditional folic acid
  • Often loose powder that’s difficult to travel with
  • Requires scooping or measuring
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    May contain artificial fillers or sweeteners
  • Pills

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Inositol FAQs

What to know before you try