horse chestnut
Worth a lookShows low returns (0.0%), but a concentrated shelf (top 5 take 83% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Conversion
Great9.1%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.08avg listing price — sweet spot $15–$100
Price range
Good$9.07–$27.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good912.75avg incumbent reviews — the moat a new listing must climb
Market size
Good$361K$361K/yr · 245K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Growth
Bad-5.6%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, horse chestnut is a $361K/yr Amazon United States market (245K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
horse chestnut market data
- Units sold / yr
- 25K–30K
- avg 2,000–2,500/product
- Revenue / yr
- $402K–$482K
- units × avg price
- Launch success
- —
- 0 of 1 new (360d)
- Conversion rate
- 9.1%
- Avg BSR
- #2,833
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 3.2%
- Avg brand age
- 83 months
- Avg seller age
- 171 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
12 falling
Sellers
23
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
14%
- Zazzee36%
- Nature's Way23%
- Nutricost14%
- Carlyle5%
- Naturalma5%
- SOLARAY3%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.7×
Top horse chestnut search terms
- horse chestnut extract106K/yr
- horse chestnut78K/yr
- horse chestnut supplement39K/yr
- horse chestnut seed extract12K/yr
- horse chestnut capsules7K/yr
- horsechestnut for veins4K/yr
Top horse chestnut 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zazzee Extra Strength Horse Chestnut 10:1 Extract 20% Aescins 120 Vegan Capsules 4 Month Supply Aesculus Hippocastanum Healthy Circulation & Blood Flow Support Non-GMO Made in the USA
Zazzee$20.604.5★867 rev
Natures Way Horse Chestnut Extract Premium Extract Supports Healthy Leg Veins* Standardized to 20% Aescin Non-GMO Project Verified Gluten Free Vegan 90 Capsules
Nature's Way$9.074.5★4,746 rev
Nutricost Horse Chestnut Extract Capsules 700 MG Per Serving 180 Capsules 90 Servings - Non-GMO Vegan
Nutricost$15.344.6★301 rev
Carlyle Horse Chestnut Extract | 600mg | 180 Capsules | Herbal Supplement | Non-GMO Gluten Free
Carlyle$15.284.5★653 rev
Naturalma Horse Chestnut (Aesculus hippocastanum) Seed Alcohol-Free Tincture - 4 fl oz Liquid Extract in Drops - Herbal Supplement - Vegan
Naturalma$18.014.4★134 rev
Newest
by launch date
Vitamatic Horse Chestnut Extract 700 mg (Standardized 20% Aescin) with Butchers Broom 4:1 Extract 300 mg 180 Capsules Circulation & Vein Support Non-GMO Gluten Free Made in USA
Vitamatic$14.1125 rev
Nutricost Horse Chestnut Extract Capsules 700 MG Per Serving 180 Capsules 90 Servings - Non-GMO Vegan
Nutricost$15.34301 rev
Zazzee Extra Strength Horse Chestnut 10:1 Extract 20% Aescins 120 Vegan Capsules 4 Month Supply Aesculus Hippocastanum Healthy Circulation & Blood Flow Support Non-GMO Made in the USA
Zazzee$20.60867 rev
NusaPure Horse Chestnut Capsules 300 mg 180 Veg Capsules (Non-GMO Vegan)
NusaPure$27.30103 rev
Carlyle Horse Chestnut Extract | 600mg | 180 Capsules | Herbal Supplement | Non-GMO Gluten Free
Carlyle$15.28653 rev
Trending
90-day click momentumVitamatic Horse Chestnut Extract 700 mg (Standardized 20% Aescin) with Butchers Broom 4:1 Extract 300 mg 180 Capsules Circulation & Vein Support Non-GMO Gluten Free Made in USA
Vitamatic$14.114.8★
Solaray Horse Chestnut Extract 400 mg - Standardized to 72 mg Aescin - With 55 mg of Butchers Broom - Vein and Blood Circulation Supplements - Vegan Non-GMO 60-Day Guarantee 60 Servings 60 VegCaps
SOLARAY$16.314.6★
Natures Way Horse Chestnut Extract Premium Extract Supports Healthy Leg Veins* Standardized to 20% Aescin Non-GMO Project Verified Gluten Free Vegan 90 Capsules
Nature's Way$9.074.5★
Life Extension Venotone Standardized Horse Chestnut Promotes Healthy Fluid Balance Gluten-Free Non-GMO 60 Capsules
Life Extension$13.474.5★
Carlyle Horse Chestnut Extract | 600mg | 180 Capsules | Herbal Supplement | Non-GMO Gluten Free
Carlyle$15.284.5★
What buyers say about horse chestnut
What buyers praise and complain about, mined from review topics.What buyers love
“What I mainly enjoy about this brand is the consistent quality they continue to offer at a very reasonable value”
“Helps reduce inflammation”
“It's doing its job”
“Product was as advertised”
“so far my one trouble spot vein behind my knee is less painful”
“Worth it”
“This supplement has not caused any negative side effects for me”
“The capsules are easy to take”
“Very good supplement”
“This is a standardized dose of what we are seeking”
What buyers complain about
“The cream does not smell good”
“Better off taking a multi-vitamin”
“Caused terrible nausea”
“Thiis not good I dont recommandation this castanha of índia give a big alergia in my eyer Rednes an itching no more”
“3000mg is not a safe dosage”
“stomach pain”
“Still bulging out”
“I normally have aching pain from my knees down to my feet 7/10 pain”
“Unfortunately, the capsules upset my stomach and left a black pepper taste in my mouth for hours after ingestion”
“theres NO scientific proof”
Top return reasons
Common questions
- Is horse chestnut profitable to sell on Amazon United States?
- The niche generates $361K/yr across 12 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.6%. Flapen's verdict: Worth a look (50/100).
- How competitive is the horse chestnut niche?
- 12 brands and 23 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in horse chestnut?
- Top complaints mined from reviews: Smell, Vitamin, Side Effects. The return rate is 0.0%.
- When does demand for horse chestnut peak?
- Demand is steady year-round — the busiest month runs 1.7× the quietest.
- What does it cost to enter the horse chestnut niche?
- Listings span $9.07–$27.30; the average listing price is $16.08 (sweet spot $15–$100). The average incumbent carries 913 reviews — the moat a new listing must climb.