---
title: "Inositol — $915K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/inositol"
last_updated: "2026-08-12T10:59:43.932Z"
locale: en
meta:
description: "Amazon product research for inositol: $915K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for inositol: $915K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Inositol — $915K/mo Amazon US Product Research (2026)"
---
# **Inositol**
**Worth a look**
Shows a $11.0M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 100Growth 24Conversion 68Competition 41Returns 100Price range 88Avg price 95Brand share 56Review moat 23Quality gap 32
**Market size**
**Incredible****$11.0M**
$11.0M/yr · 6.2M searches
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.80**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.21–$84.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-1.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****8,158.84**
avg incumbent reviews — the moat a new listing must climb
## **Is inositol profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, inositol is a $11.0M/yr Amazon United States market (6.2M searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **inositol market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **300K–400K**
- avg 15,000–20,000/product
- **Revenue / yr**
- **$8.6M–$11.5M**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#87**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **89%**
- **Out of stock**
- **3.1%**
- **Avg brand age**
- **56 months**
- **Avg seller age**
- **142 days**
## **Competition: brands, sellers & click share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**26**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 100%
**Open market**
**23%**
- Wholesome Story35% - SMNutrition13% - Nutricost10% - Optify7% - Intimate Rose6% - MEDCHOICE5%
## **inositol demand & seasonality**
Weekly Amazon search volume, last 100 weeks — -1.8% search growth over the last 90 days.
150K100KSpike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/us/health-household/inositol/trend)
## **Top inositol search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **inositol**2.5M/yr+1.8%4.8% conv. - **myo inositol**953K/yr+4.3%5.1% conv. - **myo-inositol & d-chiro inositol**718K/yr-4.9%5.3% conv. - **inositol supplement for women**658K/yr-30.9%4.4% conv. - **pcos supplements**443K/yr-12.2%2.0% conv. - **pcos**263K/yr-9.9%0.8% conv. - **inositol supplement**134K/yr+4.1%3.5% conv. - **myo-inositol**122K/yr-6.5%4.0% conv. - **myo & d-chiro inositol for women**47K/yr+166.4%5.5% conv. - **wholesome story myo d chiro inositol**50K/yr+10.9%10.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/inositol/search-terms)
## **Top inositol products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$1.1M20%$2.2M30%$3.3M40%$4.4M1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Wholesome Story Myo-Inositol & D-Chiro Inositol Supplement for Women | Fertility Supplements for Hormonal Balance & Ovarian Health Support | Myoinositol | Ideal 40:1 Ratio | 30 Servings**Wholesome Story**$27.19**4.4★35,951 rev](https://www.amazon.com/dp/B07HX2DMY8) [2**Myo-Inositol & D-Chiro Inositol for Hormone Balance for Women 40:1 Ratio**SMNutrition**$19.35**4.6★3,353 rev](https://www.amazon.com/dp/B0BDMN44MT) [3**Optify Myo-Inositol & D-Chiro Inositol Supplement for Women | 40:1 Ratio Plus Folate and Vitamin D | Support Healthy Hormonal Balance Regular Cycles & Ovarian Health (120 Count (Pack of 1))**Optify**$24.90**4.5★11,804 rev](https://www.amazon.com/dp/B07W4FNSFF) [4**Nutricost Inositol Capsules 500mg 240 Capsules (Myo-Inositol) GMO-Free**Nutricost**$16.60**4.7★861 rev](https://www.amazon.com/dp/B08T6SS2SN) [5**Intimate Rose Myo-Inositol & D-Chiro Inositol Supplement for Women - Hormone Balance & Ovarian Support for Women - Ideal 40:1 Ratio Vitamin D + Ashwagandha**Intimate Rose**$24.56**4.7★6,018 rev](https://www.amazon.com/dp/B082TL1MDG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Black Girl Vitamins Inositol Supplement 2000mg Myo + 50mg D-Chiro Vegan Capsules to Support Hormone Balance Healthy Ovarian & Menstrual Wellness 60 Count**Black Girl Vitamins**$26.20**442 rev1y ago](https://www.amazon.com/dp/B0F6TS2ZKD) [**Myo-Inositol & D-Chiro Inositol Supplement For Women (120 Capsules 2050mg Per Serving Ideal 40:1 Ratio Myo Inositol) Hormone Balance for Women - Third Party Tested Vegan Safe & USA Made - 120 Count**DORADO NUTRITION**$14.23**1,235 rev1y ago](https://www.amazon.com/dp/B0DD635TXW) [**Intimate Rose Myo-Inositol & D-Chiro Inositol Supplement for Women - Hormone Balance & Ovarian Support for Women - Ideal 40:1 Ratio Vitamin D + Ashwagandha**Intimate Rose**$24.56**6,018 rev2y ago](https://www.amazon.com/dp/B082TL1MDG) [**14-in-1 Womens Inositol Complex Supplement 40:1 Myo & D-Chiro Inositol with Folate Vitamin D3 Zinc Magnesium & Botanicals for Hormone & Feminine Wellness Support (120 Capsules) (Pack of 1)**MEDCHOICE**$23.73**980 rev2y ago](https://www.amazon.com/dp/B0DQNVXN2D) [**Theralogix Ovasitol Inositol Powder - 90-Day Supply - Myo-Inositol & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 400 g (180 Servings)**Theralogix**$84.10**3,713 rev2y ago](https://www.amazon.com/dp/B0CT6LK1JS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Black Girl Vitamins Inositol Supplement 2000mg Myo + 50mg D-Chiro Vegan Capsules to Support Hormone Balance Healthy Ovarian & Menstrual Wellness 60 Count**Black Girl Vitamins**$26.20**4.5★**▲ 68%**](https://www.amazon.com/dp/B0F6TS2ZKD) [**Theralogix Ovasitol Inositol Powder - 90-Day Supply - Myo-Inositol & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 400 g (180 Servings)**Theralogix**$84.10**4.6★**▲ 32%**](https://www.amazon.com/dp/B0CT6LK1JS) [**Wholesome Story Myo-Inositol & D-Chiro Inositol Supplement for Women | Fertility Supplements for Hormonal Balance & Ovarian Health Support | Myoinositol | Ideal 40:1 Ratio | 90 Servings**Wholesome Story**$69.53**4.4★**▲ 31%**](https://www.amazon.com/dp/B07YYLM1KZ) [**Nutricost Myo Inositol & D-Chiro Inositol for Women 120 Capsules GMO-Free**Nutricost**$14.21**4.6★**▲ 29%**](https://www.amazon.com/dp/B0BC27QBGQ) [**Nutricost Inositol Capsules 500mg 240 Capsules (Myo-Inositol) GMO-Free**Nutricost**$16.60**4.7★**▲ 26%**](https://www.amazon.com/dp/B08T6SS2SN)
**~~View all trending →~~**
## **What reviews say buyers love and hate about inositol**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**14%
*“the quality feels consistent”*
**Hormonal Balance**11%
*“Good for your hormones”*
**Fertility/Conception**8%
*“I really thought this would help with fertility”*
**Menstrual Issues**6%
*“Helped with menstrual cycle”*
**Vitamin**5%
*“Good brand of vitamins”*
**Value For Money**5%
*“Good price”*
**Side Effects**4%
*“it may have helped me”*
**Efficiency**4%
*“It definitely does work”*
**Energy Level**4%
*“energy levels up”*
**Weight Loss**3%
*“helping me on my weight loss journey”*
### **What buyers complain about **
**Side Effects**11%
*“BAD stomach cramps”*
**Dosage**8%
*“Dose to high”*
**Functionality-Overall**7%
*“No Results”*
**Taste-Overall**7%
*“Taste terrible”*
**Value For Money**5%
*“Not worth it”*
**Acid Regulator/Stomach Ache Relief**4%
*“Bloating”*
**Allergies**3%
*“But I have had a rash on my neck”*
**Vitamin**3%
*“which is a common problem with some supplements”*
**Weight Loss**3%
*“No weight loss”*
**Stress/Anxiety**2%
*“It triggered my anxiety”*
### **Top return reasons **
**Functionality-Overall**26%
**Value For Money**11%
**Charging**5%
**Balance/Stability**5%
**Quality-Overall**5%
**Blood Pressure**5%
**Pain Relief-Overall**5%
**Weight Loss**5%
**Age Suitability**5%
**Size-Overall**5%
## **Common inositol questions**
- **Is inositol profitable to sell on Amazon United States?**
- The niche generates $11.0M/yr across 19 tracked products. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the inositol niche?**
- 14 brands and 26 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in inositol?**
- Top complaints mined from reviews: Side Effects, Dosage, Functionality-Overall. The return rate is 0.0%.
- **When does demand for inositol peak?**
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- **What does it cost to enter the inositol niche?**
- Listings span $8.21–$84.10; the average listing price is $28.80 (sweet spot $15–$100). The average incumbent carries 8,159 reviews — the moat a new listing must climb.
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