inositol
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Avg price
Incredible$37.42avg listing price — sweet spot $15–$100
Price range
Incredible$18.44–$94.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Review moat
Bad6,844.57avg incumbent reviews — the moat a new listing must climb
Growth
Bad-22.0%90-day search growth — must beat 0% to launch
Market size
Bad$3K$3K/yr · 3K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon Singapore niche tracking, inositol is a $3K/yr Amazon Singapore market (3K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
inositol market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- $4K–$9K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #368
- Page quality
- 0%
- Prime
- 57%
- Sponsored
- 43%
- Out of stock
- 15.0%
- Avg brand age
- 86 months
- Avg seller age
- 0 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
10
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
6%
- Optify28%
- Wholesome Story18%
- Nano Singapore18%
- Theralogix17%
- Jarrow Formulas6%
- BioFinest6%
- Open — no brand owns it (1 brand, 6%)
Demand
Weekly Amazon search volume, last 46 weeks — -22.0% search growth over the last 90 days.Top inositol products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Premium Inositol Supplement - Myo- and D-Chiro Plus Folate and Vitamin D - Ideal 40:1 Ratio - Hormone Balance & Healthy Ovarian Support for Women - Vitamin B8 - 30 Day Supply
Optify$35.324.5★10,894 rev

Myo-Inositol & D-Chiro Inositol Blend | 30-Day Supply | Most Beneficial 40:1 Ratio | Hormonal Balance & Healthy Ovarian Function Support for Women | Vitamin B8 | Made in USA (120 Capsules)
Wholesome Story$32.584.4★31,455 rev

Myo & D-Chiro Inositol - Promotes Hormonal Balance PCOS Support Capsules for Overall Womens Wellness Edible Healthcare Supplement
Nano Singapore$18.440.0★0 rev

Theralogix Ovasitol Inositol Powder - 90-Day Supply - Myo & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 400 g (180 Servings)
Theralogix$94.154.5★2,565 rev

Jarrow Formulas Inositol 750 mg - 100 Veggie Caps - Liver Support - Useful for Nerve Functioning & Fat Metabolism - 100 Servings
Jarrow Formulas$21.444.6★1,910 rev
Newest
by launch date
BioFinest Hormone Balance Supplement 40:1 Myo D-Chiro Inositol Capsule 120 Count Vitamin D3 Folate Zinc Magnesium Vegan General Wellness Support
BioFinest$29.930 rev

Myo & D-Chiro Inositol - Promotes Hormonal Balance PCOS Support Capsules for Overall Womens Wellness Edible Healthcare Supplement
Nano Singapore$18.440 rev

Premium Inositol Supplement - Myo- and D-Chiro Plus Folate and Vitamin D - Ideal 40:1 Ratio - Hormone Balance & Healthy Ovarian Support for Women - Vitamin B8 - 30 Day Supply
Optify$35.3210,894 rev

Myo-Inositol & D-Chiro Inositol Blend | 30-Day Supply | Most Beneficial 40:1 Ratio | Hormonal Balance & Healthy Ovarian Function Support for Women | Vitamin B8 | Made in USA (120 Capsules)
Wholesome Story$32.5831,455 rev

Theralogix Ovasitol Inositol Powder - 90-Day Supply - Myo & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 400 g (180 Servings)
Theralogix$94.152,565 rev
Trending
90-day click momentum
BioFinest Hormone Balance Supplement 40:1 Myo D-Chiro Inositol Capsule 120 Count Vitamin D3 Folate Zinc Magnesium Vegan General Wellness Support
BioFinest$29.930.0★

Theralogix Ovasitol Inositol Powder - 90-Day Supply - Myo & D-Chiro Inositol for Hormone Balance & Ovarian Function Support* - NSF Certified - 400 g (180 Servings)
Theralogix$94.154.5★

Fertility Supplement - Myo-Inositol to Support Regular Cycles in Women & Sperm Count & Motility in Men
Fairhaven Health$30.064.4★

Premium Inositol Supplement - Myo- and D-Chiro Plus Folate and Vitamin D - Ideal 40:1 Ratio - Hormone Balance & Healthy Ovarian Support for Women - Vitamin B8 - 30 Day Supply
Optify$35.324.5★

Myo & D-Chiro Inositol - Promotes Hormonal Balance PCOS Support Capsules for Overall Womens Wellness Edible Healthcare Supplement
Nano Singapore$18.440.0★
Common questions
- Is inositol profitable to sell on Amazon Singapore?
- The niche generates $3K/yr across 7 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -22.0%. Flapen's verdict: Skip it (31/100).
- How competitive is the inositol niche?
- 7 brands and 10 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What does it cost to enter the inositol niche?
- Listings span $18.44–$94.15; the average listing price is $37.42 (sweet spot $15–$100). The average incumbent carries 6,845 reviews — the moat a new listing must climb.