Inositol Powder
Launch itA $2.9M/yr market growing +2.2% this quarter with returns at 0.0% — clears our launch bar.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible$2.9M$2.9M/yr · 952K searches
Avg price
Incredible$42.47avg listing price — sweet spot $15–$100
Price range
Great$13.99–$99.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.1%search→purchase rate — share of searches ending in a sale
Growth
Okay+2.2%90-day search growth — must beat 0% to launch
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad7,657.08avg incumbent reviews — the moat a new listing must climb
Competition
Bad73%top-5 click share — a locked-up shelf
Is inositol powder profitable on Amazon?
According to Flapen's Amazon United States niche tracking, inositol powder is a $2.9M/yr Amazon United States market (952K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun–Jul. Verdict: Launch it — 56/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
inositol powder market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 60K–80K
- avg 5,000–6,000/product
- Revenue / yr
- $2.5M–$3.4M
- units × avg price
- Conversion rate
- 7.1%
- Avg BSR
- #132
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 85%
- Out of stock
- 0.6%
- Avg brand age
- 57 months
- Avg seller age
- 165 days
Competition: brands, sellers & click share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 flat
Sellers
24
Top-5 brand share
88%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
8%
- Theralogix66%
- Wholesome Story11%
- Nutricost4%
- Pure Encapsulations4%
- NOW Foods3%
- Micro Ingredients3%
- Open — no brand owns it (3 brands, 8%)
inositol powder demand & seasonality
Weekly Amazon search volume, last 101 weeks — +2.2% search growth over the last 90 days.Peak months: Jun, Jul · busiest ÷ quietest = 2.3×
Top inositol powder search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- ovasitol381K/yr
- inositol powder264K/yr
- myo inositol powder70K/yr
- theralogix ovasitol47K/yr
- ovasitol by theralogix46K/yr
- myo-inositol & d-chiro inositol powder28K/yr
- inositol en polvo20K/yr
- ovasitol inositol9K/yr
- inositol polvo11K/yr
- ovasitol supplement12K/yr
Top inositol powder 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$84.104.6★3,713 rev
Theralogix Ovasitol Inositol Powder 7-Day Starter Kit | Premium Inositol Supplement for Women | 40:1 Ratio Myo & D-Chiro Inositol | Supports Hormonal & Metabolic Health
Theralogix$15.084.6★174 rev
Myo-Inositol & D-Chiro Inositol Supplement Powder for Women | Hormonal Balance & Healthy Ovarian Function Support | Vitamin B8 | Great Alternative to Capsules | 40:1 Ratio | 30 Servings
Wholesome Story$27.444.4★35,951 rev
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$27.194.4★35,951 rev
Theralogix Ovasitol Plus Canister Metabolic Health Supplement - Myo-Inositol & D-Chiro Inositol+Chromium Picolinate+Alpha-lactalbumin & Vitamin D
Theralogix$95.694.7★179 rev
Newest
by launch dateTheralogix Ovasitol Plus Canister Metabolic Health Supplement - Myo-Inositol & D-Chiro Inositol+Chromium Picolinate+Alpha-lactalbumin & Vitamin D
Theralogix$95.69179 rev
Theralogix Ovasitol Inositol Powder 7-Day Starter Kit | Premium Inositol Supplement for Women | 40:1 Ratio Myo & D-Chiro Inositol | Supports Hormonal & Metabolic Health
Theralogix$15.08174 rev
Zazzee Myo-Inositol Powder 92 Servings 2000 mg per Serving 100% Pure
Zazzee$23.912,399 rev
Myo-Inositol & D-Chiro Inositol Supplement Powder (2050mg Per Serving Ideal 40:1 Ratio Myo Inositol 30 Day Supply) For Hormone Balance for Women & Ovarian Health - Third Party Tested Vegan & USA Made
DORADO NUTRITION$13.991,235 rev
Micro Ingredients Myo-Inositol & D-Chiro Inositol Powder 1lb 221 Servings | 40:1 Ideal Ratio Inositol Supplement for Women* | Support Hormonal Balance & Ovarian Health* | Non-GMO Vegan Filler-Free
Micro Ingredients$31.27819 rev
Trending
90-day click momentumMyo-Inositol & D-Chiro Inositol Supplement Powder (2050mg Per Serving Ideal 40:1 Ratio Myo Inositol 30 Day Supply) For Hormone Balance for Women & Ovarian Health - Third Party Tested Vegan & USA Made
DORADO NUTRITION$13.994.6★
Theralogix Ovasitol Inositol Powder 7-Day Starter Kit | Premium Inositol Supplement for Women | 40:1 Ratio Myo & D-Chiro Inositol | Supports Hormonal & Metabolic Health
Theralogix$15.084.6★
Zazzee Myo-Inositol Powder 92 Servings 2000 mg per Serving 100% Pure
Zazzee$23.914.6★
Myo-Inositol & D-Chiro Inositol Supplement Powder for Women | Hormonal Balance & Healthy Ovarian Function Support | Vitamin B8 | Great Alternative to Capsules | 40:1 Ratio | 30 Servings
Wholesome Story$27.444.4★
Theralogix Ovasitol Inositol Powder Packets - 90-Day Supply - Myo-Inositol & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 180 Packets
Theralogix$99.154.6★
What reviews say buyers love and hate about inositol powder
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Hormones regulated”
“Ovulation Success”
“Great for Period”
“Best medication to help ease symptoms”
“It definitely does work”
“worth every penny”
“Easy to use”
“I belive this vitamins helped”
“It is easy to mix”
What buyers complain about
“BAD stomach cramps”
“The scoop that is included has been two different sizes on two separate purchases making dosing questionable”
“has no strong taste”
“Did not work”
“had terrible stomach pain”
“its quite expensive”
“BAD REACTION”
“No flavor/ easy to mix in coffee or tea”
“Have lost a bit of weight”
“the wrong size came in”
Top return reasons
Common inositol powder questions
- Is inositol powder profitable to sell on Amazon United States?
- The niche generates $2.9M/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +2.2%. Flapen's verdict: Launch it (56/100).
- How competitive is the inositol powder niche?
- 9 brands and 24 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 88% of demand.
- What do buyers complain about in inositol powder?
- Top complaints mined from reviews: Side Effects, Dosage, Taste-Overall. The return rate is 0.0%.
- When does demand for inositol powder peak?
- Demand peaks in Jun–Jul; the busiest month runs 2.3× the quietest.
- What does it cost to enter the inositol powder niche?
- Listings span $13.99–$99.15; the average listing price is $42.47 (sweet spot $15–$100). The average incumbent carries 7,657 reviews — the moat a new listing must climb.