Magnesium Inositol
FailDemand is soft, at -28.6% this quarter, so Magnesium Inositol is a Fail.
- Flapen Score
- 41 / 100Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 4941
- Market size
- $51K/yr41K searches / yr
- 90-day growth
- -28.6%search demand this quarter
- Competition
- 86%top-5 click share · 10 brands · 17 sellers
Flapen Score
Magnesium Inositol against its category
The dotted line is the Health & Household average. Past it, Magnesium Inositol is stronger. Inside it, weaker.
Market
The Magnesium Inositol market on Amazon at a glance
Shoppers on Amazon United States searched for Magnesium Inositol 41K times last year and spent an estimated $51K. The top 5 brands take 86% of clicks. Demand peaks in Mar–Jul–Sep. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 5.5% of those searches ended in a purchase.
Shoppers searched for this 41K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.5% of those searches ended in a purchase. Searches in the last 90 days moved -28.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $51K a year.
- Searches, last 12 months
- 41K
- Growth, 90 days vs prior 90
- -28.6%
- Conversion, latest week
- 5.5%
- Market size, estimated
- $51Ka year
- Peak month
- September2.2× the quietest month
- Top search term
- magnesium inositol23K searches a year
02 · Price
A sale here is worth $22.78.
Listings sell for $22.78 on average, from $9.91 to $51.47. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $22.78 that is $2K to $6K a year per listing.
- Average price
- $22.78inside the $15 to $100 sweet spot
- Price range
- $9.91–$51.47
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
70% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.7% of listings are out of stock. The average listing ranks #715 within Magnesium. It carries 819 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 70%
- Prime listings
- 100%
- Out of stock, average day
- 7.7%
- Average rank
- #715in Magnesium
- Average rating
- 4.52 starsAmazon United States average 4.42 stars
- Average reviews
- 819per listing
- Listings tracked
- 10
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 54 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 54 months
Products
Top Magnesium 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.
Top sellers
by estimated 90-day click share
NOW Foods Supplements powder Magnesium Inositol Relax Nervous System Support* Fizzy Lemonade Flavor 16-Ounce
- Price
- $18.43
- Rating
- 4.6/5
- Reviews
- 550
- Age
- 9y ago

Jarrow Formulas Inositol 750 mg Dietary Supplement Liver Support for Cellular Health and General Wellness 100 Veggie Capsules Up to a 100 Day Supply
- Price
- $13.96
- Rating
- 4.6/5
- Reviews
- 1,945
- Age
- 22y ago

Complete Sleep Support Myo Inositol + Magnesium Glycinate 1100MG Complex
- Price
- $15.58
- Rating
- 4.3/5
- Reviews
- 49
- Age
- 11mo ago

Nutricost Inositol Capsules 500mg 240 Capsules (Myo-Inositol) GMO-Free
- Price
- $16.60
- Rating
- 4.7/5
- Reviews
- 861
- Age
- 5y ago

Life Extension Inositol Caps 1000 mg Myo-Inositol Mood Health Well-Being Healthy Metabolism Hormone Balance Gluten-Free Non-GMO Vegetarian 360 Capsules
- Price
- $39.00
- Rating
- 4.7/5
- Reviews
- 792
- Age
- 13y ago
Trending
estimated 90-day click momentum
Myo-Inositol & D-Chiro Inositol Gummies for Women & Glp-1 Users 40:1 Ratio with Magnesium Ashwagandha Vitamin B6 B12 & Methylfolate Hormone Balance Mood Calm Sleep & Metabolic Sugar Free 60ct
- Price
- $27.87
- Rating
- 4.2/5
- Reviews
- 36
- Age
- 7mo ago

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)
- Price
- $23.73
- Rating
- 4.6/5
- Reviews
- 980
- Age
- 2y ago

Myo Inositol D Chiro Inositol Supplement for Women - Hormone Balance with Magnesium Ashwagandha Vitamin D3 Folate Maca Root Chasteberry Evening Primrose | Ovarian Support Capsules 120 Count
- Price
- $11.21
- Rating
- 4.3/5
- Reviews
- 102
- Age
- 10mo ago

Nutricost Inositol Capsules 500mg 240 Capsules (Myo-Inositol) GMO-Free
- Price
- $16.60
- Rating
- 4.7/5
- Reviews
- 861
- Age
- 5y ago

Life Extension Inositol Caps 1000 mg Myo-Inositol Mood Health Well-Being Healthy Metabolism Hormone Balance Gluten-Free Non-GMO Vegetarian 360 Capsules
- Price
- $39.00
- Rating
- 4.7/5
- Reviews
- 792
- Age
- 13y ago
Newest
by launch date
Myo-Inositol & D-Chiro Inositol Gummies for Women & Glp-1 Users 40:1 Ratio with Magnesium Ashwagandha Vitamin B6 B12 & Methylfolate Hormone Balance Mood Calm Sleep & Metabolic Sugar Free 60ct
- Price
- $27.87
- Rating
- 4.2/5
- Reviews
- 36
- Age
- 7mo ago

Myo Inositol D Chiro Inositol Supplement for Women - Hormone Balance with Magnesium Ashwagandha Vitamin D3 Folate Maca Root Chasteberry Evening Primrose | Ovarian Support Capsules 120 Count
- Price
- $11.21
- Rating
- 4.3/5
- Reviews
- 102
- Age
- 10mo ago

Complete Sleep Support Myo Inositol + Magnesium Glycinate 1100MG Complex
- Price
- $15.58
- Rating
- 4.3/5
- Reviews
- 49
- Age
- 11mo ago

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)
- Price
- $23.73
- Rating
- 4.6/5
- Reviews
- 980
- Age
- 2y ago

Inositol Capsules (Myo Inositol) 1000mg Health Support for Women (60 Count)(No Fillers Vegan Safe Gluten Free) by Double Wood
- Price
- $9.91
- Rating
- 4.6/5
- Reviews
- 1,968
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 86% of clicks. A locked shelf that new listings rarely crack.
Brands
10 rising
Sellers
17
Est. top-5 brand share
86%
Top 20: 100%
Est. top-5 click share
86%
Top 20: 100%
Open market
10%
- NOW Foods42%
- Jarrow Formulas24%
- Nobi Nutrition9%
- Nutricost7%
- Life Extension4%
- MEDCHOICE3%
- Open — no brand owns it (4 brands, 10%)
Demand
Magnesium Inositol search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Jul, Sep · busiest ÷ quietest = 2.2×
Search terms
Top Magnesium Inositol search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- magnesium inositol23K/yr
- magnesio inositol10K/yr
- jarrow inositol3K/yr
- jarrow inositol powder3K/yr
- inositol jarrow2K/yr
- inositol magnesium glycine supplement564/yr
- magnesium inositol relax now330/yr
Reviews and returns
What reviews say buyers love and hate about Magnesium Inositol
We read the reviews and the return reasons for every product selling here.
“When I opened the bottle it smells like berry”
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.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Magnesium 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









