Is quercetin with bromelain profitable to sell on Amazon United States?

The niche generates $1.9M/yr across 25 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -13.7%. Flapen's verdict: Worth a look (59/100).

How competitive is the quercetin with bromelain niche?

21 brands and 51 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in quercetin with bromelain?

Top complaints mined from reviews: Allergies, Value For Money, Functionality-Overall. The return rate is 0.0%.

When does demand for quercetin with bromelain peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the quercetin with bromelain niche?

Listings span $8.00–$47.39; the average listing price is $24.87 (sweet spot $15–$100). The average incumbent carries 4,230 reviews — the moat a new listing must climb.

quercetin with bromelain

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.1%

search→purchase rate — share of searches ending in a sale

Avg price

Incredible$24.87

avg listing price — sweet spot $15–$100

Market size

Great$1.9M

$1.9M/yr · 578K searches

Price range

Great$8.00–$47.39

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay76%

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

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Review moat

Bad4,229.96

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-13.7%

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

According to Flapen's Amazon United States niche tracking, quercetin with bromelain is a $1.9M/yr Amazon United States market (578K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 59/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

quercetin with bromelain market data

Units sold / yr: 80K–100K; avg 4,000–5,000/product
Revenue / yr: $2.0M–$2.5M; units × avg price
Conversion rate: 13.1%
Avg BSR: #85
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 0.9%
Avg brand age: 72 months
Avg seller age: 147 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

76%

Top 20: 99%

Top-5 click share

62%

Top 20: 95%

Open market

22%

NOW Foods43%
ForestLeaf11%
Double Wood Supplements9%
Nutricost8%
Bronson6%
Horbäach2%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top quercetin with bromelain search terms

quercetin with bromelain465K/yr -15.6%11.2% conv.
now quercetin with bromelain27K/yr -2.2%15.8% conv.
quercetin bromelain23K/yr -9.9%4.8% conv.
bromelain quercetin supplement17K/yr -19.1%4.5% conv.
now quercetin14K/yr +19.5%4.7% conv.
bromelain with quercetin9K/yr +6.1%7.3% conv.
bromelain quercetin7K/yr -6.1%5.5% conv.
quercetin and bromelain6K/yr -14.1%7.8% conv.
quercetin now5K/yr +0.1%9.8% conv.
organic quercetin with bromelain5K/yr -29.6%4.8% conv.

All search terms

Top quercetin with bromelain 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Foods Supplements Quercetin with Bromelain Balanced Immune System* 240 Veg Capsules

NOW Foods$30.504.7★21,602 rev

NOW Foods Supplements Quercetin with Bromelain Balanced Immune System* 120 Veg Capsules

NOW Foods$21.434.7★21,602 rev

NOW Supplements Quercetin with Bromelain Balanced Immune System* 60 Veg Capsules

NOW Foods$12.564.7★21,602 rev

ForestLeaf Quercetin with Bromelain 1350mg - Blend with Vitamin C & Stinging Nettle Supplement Quercetin 500mg Capsules Non-GMO Gluten Free Natural Function 90 Veggie Caps

ForestLeaf$23.214.7★8,581 rev

Quercetin with Bromelain - 96% Highly Purified - 120 Count (1 200mg Servings) - Supports Healthy Immune Functions in Men and Women (Vegan Safe Third Party Tested Gluten Free) by Double Wood

Double Wood Supplements$23.604.7★4,943 rev

Newest

by launch date

Bronson Quercetin with Bromelain 2 in 1 Wellness Support Non-GMO 60 Capsules

Bronson$9.99121 rev

9mo ago

Bronson Quercetin with Bromelain 2 in 1 Wellness Support Non-GMO 120 Capsules

Bronson$14.93121 rev

9mo ago

StrongVit Quercetin with Bromelain Elderberry Vitamin C D3 and Zinc. Super Immune Support Supplement. Organic Complex for Men & Women Non-GMO Gluten-Free Vegan USA

StrongVit$13.55204 rev

11mo ago

Bromelain 500mg with Quercetin & MCT Oil 240 Enteric Coated Softgels | Ultra Absorption Bromelain Supplement | Natural Digestive Enzymes for Digestion & Joint Health | Non-GMO Gluten Free

Micro Ingredients$26.21329 rev

1y ago

Liposomal Quercetin with Bromelain Liquid Drops 8 in 1 Organic Quercetin 1000mg Supplements with Bromelain 500mg Vitamin C D3 Zinc Elderberry Turmeric for Immunity & Respiratory Health 2 Fl Oz

HOLLEGEND$19.52112 rev

1y ago

What buyers say about quercetin with bromelain

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

What buyers love

Quality-Overall19%

“Excellent product”

Allergies9%

“Great allergy relief”

Immunity Booster6%

“Great immune support”

Vitamin6%

“Great to add to your vitamin routine”

Value For Money5%

“Great value”

Efficiency4%

“Works Well”

Taste-Overall4%

“Good taste”

Inflammation4%

“Help with inflammation”

Ease Of Chewing/Swallowing3%

“Easy Digest”

Sinus Relief3%

“This is very effective for sinus issues”

What buyers complain about

Allergies14%

“I seem to be allergic to it”

Value For Money7%

“Waste of money”

Functionality-Overall7%

“Doesnt do what it says it will do”

Dosage6%

“Dosing vs bottle qty = ridiculous”

Size-Overall5%

“HUGE”

Quality-Overall4%

“Trash”

Side Effects4%

“Side effects”

Smell4%

“Fishy smell”

Ease Of Chewing/Swallowing3%

“These look like you are supposed to chew them”

Taste-Overall2%

“Horrible taste”

Top return reasons

Functionality-Overall38%

Value For Money17%

Pain Relief-Overall17%

Compatibility-Overall17%