---
title: "Bioflavonoids — $186K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/bioflavonoids"
last_updated: "2026-08-06T17:13:18.844Z"
locale: en
meta:
description: "Niche score 51/100 · $186K/yr market · 99K searches/yr. A concentrated shelf (top 5 take 80% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 51/100 · $186K/yr market · 99K searches/yr. A concentrated shelf (top 5 take 80% of clicks) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Bioflavonoids — $186K/yr Amazon US Niche (2026) - Flapen"
---
# **bioflavonoids**
**Worth a look**
Shows low returns (0.0%), but a concentrated shelf (top 5 take 80% of clicks) keeps it on the watch list.
Market size 37Growth 31Conversion 83Competition 17Returns 100Price range 79Avg price 90Brand share 33Review moat 68Quality gap 45
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$20.92**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****9.0%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$9.23–$38.53**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****799.54**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****$186K**
$186K/yr · 99K searches
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+5.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, bioflavonoids is a $186K/yr Amazon United States market (99K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Aug. Verdict: Worth a look — 51/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bioflavonoids market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **$167K–$209K**
- units × avg price
- **Conversion rate**
- **9.0%**
- **Avg BSR**
- **#852**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **46%**
- **Out of stock**
- **9.7%**
- **Avg brand age**
- **95 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▼falling
**Sellers**
**45**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**11%**
- NOW Foods36% - Swanson20% - Horbäach17% - Clenoriko7% - BlueBonnet4% - Nature's Life4% - Open — no brand owns it (4 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.1% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/bioflavonoids/trend)
## **Top bioflavonoids search terms**
- **bioflavonoids**31K/yr-3.4%4.5% conv. - **citrus bioflavonoids**26K/yr+34.6%10.0% conv. - **bioflavonoids supplements**20K/yr-3.3%4.4% conv. - **citrus bioflavonoids supplement**8K/yr+11.0%12.3% conv. - **citrus bioflavonoid complex**4K/yr+34.6%12.9% conv. - **bioflavonoids 1000mg**4K/yr+0.7%7.8% conv. - **bioflavonoid complex**3K/yr-16.9%7.5% conv. - **bioflavonoid supplements**3K/yr-69.4%0.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/bioflavonoids/search-terms)
## **Top bioflavonoids 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.
0%10%$19K20%$37K30%$56K40%$75K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Supplements Citrus Bioflavonoids 700mg Supports Immune System* Cell Defense* 100 Capsules**NOW Foods**$9.23**4.5★1,594 rev](https://www.amazon.com/dp/B001F0QVX4) [2**Swanson Full Spectrum Citrus Bioflavonoid Complex Immune and Antioxidant Supplement for Adults Seeking Enhanced Vitamin C Absorption - 50% Standardized (250 Capsules)**Swanson**$21.93**4.6★584 rev](https://www.amazon.com/dp/B076WYZVWX) [3**Horbach Citrus Bioflavonoids Complex | 1500mg | 300 Coated Caplets**Horbäach**$22.35**4.4★593 rev](https://www.amazon.com/dp/B08YRWXTPY) [4**Clenoriko Citrus Bioflavonoids 1000mg with Quercetin & Rutin - Bioflavonoids for Antioxidant & Circulation* Flavonoids Supplements - Standardized to 50% Hesperidin 120 Capsules (60-Day Supply)**Clenoriko**$23.38**4.6★20 rev](https://www.amazon.com/dp/B0H1BRP9Y5) [5**Bluebonnet Citrus Bioflavonoid Complex 750 mg Immune System Support - Hesperidin Citrus Bioflavonoids from Oranges Lemons Grapefruit & Limes - Non-GMO Vegan Gluten-Free - 90 Veggie Capsules**BlueBonnet**$20.47**4.4★297 rev](https://www.amazon.com/dp/B001GIHYOA)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Clenoriko Citrus Bioflavonoids 1000mg with Quercetin & Rutin - Bioflavonoids for Antioxidant & Circulation* Flavonoids Supplements - Standardized to 50% Hesperidin 120 Capsules (60-Day Supply)**Clenoriko**$23.38**20 rev2mo ago](https://www.amazon.com/dp/B0H1BRP9Y5) [**Gyumolics Flavonoid Supplement Gummies 3000mg Bioflavonoid Complex with Hesperidin Quercetin Lemon Bioflavonoids & Vitamin C 60 Gummies**Gyumolics**$20.40**211 rev1y ago](https://www.amazon.com/dp/B0FJRKCKLV) [**THORNE - Vitamin C 500 mg - Blend of Vitamin C and Citrus Bioflavonoids from Oranges - Supports Immune System Cellular Energy Production & Collagen Synthesis* - Third-Party Certified - 90 Servings**THORNE**$21.95**3,577 rev4y ago](https://www.amazon.com/dp/B09FYFM7N3) [**Horbach Citrus Bioflavonoids Complex | 1500mg | 300 Coated Caplets**Horbäach**$22.35**593 rev5y ago](https://www.amazon.com/dp/B08YRWXTPY) [**Horbach Lemon Bioflavonoids Supplement | 1400 mg | 200 Capsules**Horbäach**$20.59**439 rev6y ago](https://www.amazon.com/dp/B086H41VWG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Clenoriko Citrus Bioflavonoids 1000mg with Quercetin & Rutin - Bioflavonoids for Antioxidant & Circulation* Flavonoids Supplements - Standardized to 50% Hesperidin 120 Capsules (60-Day Supply)**Clenoriko**$23.38**4.6★**▲ 276%**](https://www.amazon.com/dp/B0H1BRP9Y5) [**Klaire Labs SFI Health Bioflavonoid Complex - Immune Cardiovascular & Antioxidant Support Supplement with Citrus Bioflavonoids Quercetin & Rutin (120 Capsules)**SFI Health**$30.90**4.5★**▲ 26%**](https://www.amazon.com/dp/B00HVOSF5U) [**Natures Life Lemon Bioflavonoids 1000mg - Citrus Bioflavonoids Supplement with Hesperidin and Rutin - Antioxidant and Cellular Support Vitamin C Absorption - 60 Day Guarantee 250 Serv 250 Tablets**Nature's Life**$38.53**4.4★**▲ 16%**](https://www.amazon.com/dp/B00020IFAA) [**Horbach Lemon Bioflavonoids Supplement | 1400 mg | 200 Capsules**Horbäach**$20.59**4.5★**▲ 16%**](https://www.amazon.com/dp/B086H41VWG) [**Gyumolics Flavonoid Supplement Gummies 3000mg Bioflavonoid Complex with Hesperidin Quercetin Lemon Bioflavonoids & Vitamin C 60 Gummies**Gyumolics**$20.40**4.3★**— 10%**](https://www.amazon.com/dp/B0FJRKCKLV)
**~~View all trending →~~**
## **What buyers say about bioflavonoids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“the overall quality feels consistent”*
**Vitamin**15%
*“It works well to provide the extra vitamin C that I need”*
**Taste-Overall**13%
*“These gummies are tasty and arrived firm”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Flavor**4%
*“Good flavor, easy to swallow”*
**Value For Money**4%
*“Reasonable price”*
**Ease Of Chewing/Swallowing**4%
*“Chewable”*
**Ingredients-Overall**3%
*“Safe ingredients”*
**Efficiency**3%
*“Its beneficial”*
**Nutritional Content**3%
*“Very happy with this supplement”*
### **What buyers complain about **
**Functionality-Overall**14%
*“Doesn't work”*
**Size-Overall**8%
*“Too big”*
**Solubility**7%
*“they don't dissolve & Don't work”*
**Allergies**6%
*“I cannot ingest red meat - highly allergic”*
**Dosage**5%
*“I didn't manage to take them regularly”*
**Vitamin**5%
*“Expired vitamins sent”*
**Taste-Overall**5%
*“Yuck, horrible taste”*
**Ease Of Chewing/Swallowing**4%
*“so not really chewy period”*
**Color**4%
*“Has an orange aftertadte”*
**Adhesion/Stickiness**2%
*“The item came in wet and sticky”*
### **Top return reasons **
**Acid Regulator/Stomach Ache Relief**25%
**Stain Resistance**25%
**Vitamin**25%
**Certifications**25%
## **Common questions**
- **Is bioflavonoids profitable to sell on Amazon United States?**
- The niche generates $186K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the bioflavonoids niche?**
- 10 brands and 45 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in bioflavonoids?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Solubility. The return rate is 0.0%.
- **When does demand for bioflavonoids peak?**
- Demand peaks in Aug; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the bioflavonoids niche?**
- Listings span $9.23–$38.53; the average listing price is $20.92 (sweet spot $15–$100). The average incumbent carries 800 reviews — the moat a new listing must climb.
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