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.

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.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$20.92

avg listing price — sweet spot $15–$100

Conversion

Great9.0%

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

Good799.54

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$186K

$186K/yr · 99K searches

Brand share

Okay85%

top-5 brand share — brands hold most of the demand

Growth

Okay+5.1%

90-day search growth — must beat 0% to launch

Competition

Bad80%

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

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

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.

Peak months: Aug · busiest ÷ quietest = 1.5×

Open Trend

Top bioflavonoids search terms

bioflavonoids31K/yr -3.4%4.5% conv.
citrus bioflavonoids26K/yr +34.6%10.0% conv.
bioflavonoids supplements20K/yr -3.3%4.4% conv.
citrus bioflavonoids supplement8K/yr +11.0%12.3% conv.
citrus bioflavonoid complex4K/yr +34.6%12.9% conv.
bioflavonoids 1000mg4K/yr +0.7%7.8% conv.
bioflavonoid complex3K/yr -16.9%7.5% conv.
bioflavonoid supplements3K/yr -69.4%0.4% conv.

All 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.

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

NOW Supplements Citrus Bioflavonoids 700mg Supports Immune System* Cell Defense* 100 Capsules

NOW Foods$9.234.5★1,594 rev

Swanson Full Spectrum Citrus Bioflavonoid Complex Immune and Antioxidant Supplement for Adults Seeking Enhanced Vitamin C Absorption - 50% Standardized (250 Capsules)

Swanson$21.934.6★584 rev

Horbach Citrus Bioflavonoids Complex | 1500mg | 300 Coated Caplets

Horbäach$22.354.4★593 rev

Clenoriko Citrus Bioflavonoids 1000mg with Quercetin & Rutin - Bioflavonoids for Antioxidant & Circulation* Flavonoids Supplements - Standardized to 50% Hesperidin 120 Capsules (60-Day Supply)

Clenoriko$23.384.6★20 rev

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$20.474.4★297 rev

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$23.3820 rev

2mo ago

Gyumolics Flavonoid Supplement Gummies 3000mg Bioflavonoid Complex with Hesperidin Quercetin Lemon Bioflavonoids & Vitamin C 60 Gummies

Gyumolics$20.40211 rev

1y ago

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$21.953,577 rev

4y ago

Horbach Citrus Bioflavonoids Complex | 1500mg | 300 Coated Caplets

Horbäach$22.35593 rev

5y ago

Horbach Lemon Bioflavonoids Supplement | 1400 mg | 200 Capsules

Horbäach$20.59439 rev

6y ago

What buyers say about bioflavonoids

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall22%

“the overall quality feels consistent”

Vitamin15%

“It works well to provide the extra vitamin C that I need”

Taste-Overall13%

“These gummies are tasty and arrived firm”

Advertised Vs Actual Product5%

“As advertised”

Flavor4%

“Good flavor, easy to swallow”

Value For Money4%

“Reasonable price”

Ease Of Chewing/Swallowing4%

“Chewable”

Ingredients-Overall3%

“Safe ingredients”

Efficiency3%

“Its beneficial”

Nutritional Content3%

“Very happy with this supplement”

What buyers complain about

Functionality-Overall14%

“Doesn't work”

Size-Overall8%

“Too big”

Solubility7%

“they don't dissolve & Don't work”

Allergies6%

“I cannot ingest red meat - highly allergic”

Dosage5%

“I didn't manage to take them regularly”

Vitamin5%

“Expired vitamins sent”

Taste-Overall5%

“Yuck, horrible taste”

Ease Of Chewing/Swallowing4%

“so not really chewy period”

Color4%

“Has an orange aftertadte”

Adhesion/Stickiness2%

“The item came in wet and sticky”

Top return reasons

Acid Regulator/Stomach Ache Relief25%

Stain Resistance25%

Vitamin25%

Certifications25%

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.