soy isoflavones
Worth a lookShows low returns (0.0%), but a concentrated shelf (top 5 take 69% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Great$18.13avg listing price — sweet spot $15–$100
Price range
Good$7.78–$29.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good5.2%search→purchase rate — share of searches ending in a sale
Brand share
Good69%top-5 brand share — brands hold most of the demand
Review moat
Okay1,900.86avg incumbent reviews — the moat a new listing must climb
Growth
Okay+12.5%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$145K$145K/yr · 155K searches
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Competition
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
68
Top-5 brand share
69%
Open market
23%
- Puritan's Pride25%
- Nutricost14%
- Carlyle12%
- Life Extension9%
- NOW Foods8%
- 21st Century8%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Puritans Pride Non-GMO Soy Isoflavones 750mg Dietary Supplement with Active Daidzein Genistein and Glycitein Supports Menopause and Hot Flashes 120 Rapid Release Capsules
Puritan's Pride$13.194.5★2,288 rev
Nutricost Soy Isoflavones 150mg 180 Veggie Capsules - Gluten Free Non-GMO Vegetarian Friendly
Nutricost$18.714.6★258 rev
Carlyle Soy Isoflavones for Women and Men | 200 Capsules | Non-GMO Gluten Free Extract Supplement
Carlyle$18.234.6★345 rev
Life Extension Soy Isoflavones Heart Bone & Cellular Health Support for Post-menopausal Women Gluten-Free Non-GMO Vegetarian 30 Capsules
Life Extension$17.114.4★227 rev
NOW Foods Supplements Soy Isoflavones 60 mg (Plant Compounds Particularly Concentrated in Soybeans like Genistein Daidzein and Glycitein) 120 Veg Capsules
NOW Foods$22.464.6★662 rev
Newest
by launch date
Menopause & Perimenopause Supplements for Women - Hot Flashes Relief
DR VITAMIN SOLUTIONS$10.3841 rev
BulkSupplements.com Soy Isoflavones Capsules - Soy Isoflavones Supplement - Vegan & Gluten Free 1 Capsule per Serving (150mg) 240 Count (Pack of 1)
BulkSupplements$22.0454 rev
Like Mine Soy Isoflavones (100 Capsules) Pure & Natural Dietary Supplement No Fillers
Like Mine$9.5351 rev
Carlyle Soy Isoflavones for Women and Men | 200 Capsules | Non-GMO Gluten Free Extract Supplement
Carlyle$18.23345 rev
Nutricost Soy Isoflavones 150mg 180 Veggie Capsules - Gluten Free Non-GMO Vegetarian Friendly
Nutricost$18.71258 rev
Trending
90-day click momentumMenopause & Perimenopause Supplements for Women - Hot Flashes Relief
DR VITAMIN SOLUTIONS$10.384.7★
Estroven Complete Multi-Symptom Menopause Supplement for Women 28 Ct. Clinically Proven Ingredient Provide Menopause Relief & Night Sweats & Hot Flash Relief* Drug-Free & Non-GMO
Estroven$18.494.4★
Life Extension Soy Isoflavones Heart Bone & Cellular Health Support for Post-menopausal Women Gluten-Free Non-GMO Vegetarian 30 Capsules
Life Extension$17.114.4★
Puritans Pride Non-GMO Soy Isoflavones 750mg Dietary Supplement with Active Daidzein Genistein and Glycitein Supports Menopause and Hot Flashes 120 Rapid Release Capsules
Puritan's Pride$13.194.5★
GNC SuperFoods Soy Isoflavone Concentrate 90 Capsules Supports for Bone and Heart Health
GNC$25.064.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +12.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Menopause support”
“Definitely helps, I have had such terrible hormonal issues and this has really helped me”
“My sleep has improved”
“A supplement that really works”
“It helps control typical symptoms without rare side effects”
“Ok. They were as effective as I was hoping”
“Really worth every penny”
“in that sense this seemed like a convenient option”
“Works like a charm”
What buyers complain about
“It doesnt do what this one does”
“can't sleep”
“This made me have the worst stomach”
“Too pricey”
“I immediately stopped taking it”
“I would not recommend this product if you want to sleep through the night and lose weight”
“3 months later the hot flashes are back”
“My energy levels have not changed Im still tired”
“The taste and smell are disgusting and can't return the product”
“No taste and very effective”