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Inositol

Maybe

Shoppers spend an estimated $11.0M a year here. But the average product has 8,159 reviews to catch up to, so Inositol is a Maybe.

Flapen Score
61
61 / 100
Top 9% of 14,768 Health & Household niches · +12 vs the category median of 49
Market size
$11.0M/yr6.2M searches / yr
90-day growth
-1.8%search demand this quarter
Competition
60%top-5 click share · 14 brands · 26 sellers

Flapen Score

Inositol against its category

The dotted line is the Health & Household average. Past it, Inositol is stronger. Inside it, weaker.

61Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Inositol market on Amazon at a glance

Shoppers on Amazon United States searched for Inositol 6.2M times last year and spent an estimated $11.0M. The top 5 brands take 71% of clicks. Flapen scores it 61 out of 100, a Maybe.

01 · Demand

An estimated 6.1% of those searches ended in a purchase.

Shoppers searched for this 6.2M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.1% of those searches ended in a purchase. Searches in the last 90 days moved -1.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $11.0M a year.

Searches, last 12 months
6.2M
Growth, 90 days vs prior 90
-1.8%
Conversion, latest week
6.1%
Market size, estimated
$11.0Ma year
Peak month
April1.7× the quietest month
Top search term
inositol2.5M searches a year

02 · Price

A sale here is worth $28.80.

Listings sell for $28.80 on average, from $8.21 to $84.10. Amazon reports units sold in ranges. This niche sold 300K to 400K a year. The average listing sells 15,000 to 20,000 of them. At $28.80 that is $432K to $576K a year per listing.

Average price
$28.80inside the $15 to $100 sweet spot
Price range
$8.21–$84.10
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
300K–400K
Units per listing a year
15,000–20,000
Revenue per listing a year
$432K–$576K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 3.1% of listings are out of stock. The average listing ranks #87 within Vitamin B. It carries 8,159 reviews at 4.56 stars, so a new listing needs social proof before a better product.

Sponsored listings
89%
Prime listings
100%
Out of stock, average day
3.1%
Average rank
#87in Vitamin B
Average rating
4.56 starsAmazon United States average 4.42 stars
Average reviews
8,159per listing
Listings tracked
19

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 56 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
56 months

Products

Top Inositol products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.

$0$1.1M$2.2M$3.3M$4.4M1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

14 falling

Sellers

26

Est. top-5 brand share

71%

Top 20: 100%

Est. top-5 click share

60%

Top 20: 100%

Open market

23%

  • Wholesome Story35%
  • SMNutrition13%
  • Nutricost10%
  • Optify7%
  • Intimate Rose6%
  • MEDCHOICE5%

Demand

Inositol search demand

Weekly searches over the year, seasonality beneath. Pick a range.

150K100KSpike '25DecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.7×

Search terms

Top Inositol search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • inositol2.5M/yr
  • myo inositol953K/yr
  • myo-inositol & d-chiro inositol718K/yr
  • inositol supplement for women658K/yr
  • pcos supplements443K/yr
  • pcos263K/yr
  • inositol supplement134K/yr
  • myo-inositol122K/yr
  • myo & d-chiro inositol for women47K/yr
  • wholesome story myo d chiro inositol50K/yr

Reviews and returns

What reviews say buyers love and hate about Inositol

We read the reviews and the return reasons for every product selling here.

14%of positive reviews mention “Quality-Overall”
11%of negative reviews mention “Side Effects”
<0.1%of orders come back, a rate Amazon rounds to zero
“BAD stomach cramps”
A buyer, on “Side Effects”11% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

22 topics

NegativePositive

FAQ

Common Inositol questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data