Is zinc quercetin profitable to sell on Amazon United States?

The niche generates $247K/yr across 12 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -20.8%. Flapen's verdict: Skip it (47/100).

How competitive is the zinc quercetin niche?

10 brands and 28 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in zinc quercetin?

Top complaints mined from reviews: Dosage, Value For Money, Side Effects. The return rate is 0.0%.

When does demand for zinc quercetin peak?

Demand peaks in Jan–Feb; the busiest month runs 1.9× the quietest.

What does it cost to enter the zinc quercetin niche?

Listings span $6.87–$33.77; the average listing price is $22.31 (sweet spot $15–$100). The average incumbent carries 2,918 reviews — the moat a new listing must climb.

zinc quercetin

Skip it

Soft demand (-20.8% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$22.31

avg listing price — sweet spot $15–$100

Conversion

Great11.3%

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

Price range

Good$6.87–$33.77

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

Market size

Okay$247K

$247K/yr · 98K searches

Brand share

Okay83%

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

Review moat

Okay2,917.75

avg incumbent reviews — the moat a new listing must climb

Competition

Bad75%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-20.8%

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

According to Flapen's Amazon United States niche tracking, zinc quercetin is a $247K/yr Amazon United States market (98K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 47/100.

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

zinc quercetin market data

Units sold / yr: 10K–13K; avg 1,000–1,250/product
Revenue / yr: $223K–$279K; units × avg price
Conversion rate: 11.3%
Avg BSR: #94
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 83 months
Avg seller age: 146 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

12%

Sandhu's35%
Micro Ingredients31%
NatureBell6%
NOW Foods6%
Nutricost5%
Carlyle5%
Open — no brand owns it (4 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -20.8% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 1.9×

Open Trend

Top zinc quercetin search terms

zinc quercetin29K/yr -2.9%10.7% conv.
quercetin with zinc16K/yr -26.3%5.2% conv.
quercetin zinc16K/yr -38.1%3.9% conv.
micro ingredients zinc7K/yr +8.3%8.4% conv.
zinc quercetin supplements11K/yr -46.1%10.7% conv.
zinc quercetin vitamin c4K/yr +11.5%15.0% conv.
zinc with quercetin5K/yr -23.3%11.2% conv.
zinc micro ingredients3K/yr -1.1%8.7% conv.
quercetin with vitamin c and zinc4K/yr -24.6%0.5% conv.
quercetin and zinc4K/yr -44.7%7.3% conv.

All search terms

Top zinc quercetin 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Sandhus Zinc Quercetin 120 Vegetarian Capsules (Pack of 1) | High Absorption Zink Supplements for Immunity and Seasonal Allergy | Antioxidant Immune Support for Men and Women | Easy to Swallow

Sandhu's$27.564.8★17,694 rev

Micro Ingredients Quercetin with Vitamin C & Zinc 240 Capsules | 6in1 Formula with Quercetin Vitamin C & 4 Zinc Forms (Picolinate Citrate Glycinate Gluconate) | NonGMO

Micro Ingredients$29.314.6★1,642 rev

Micro Ingredients Zinc Picolinate 100 mg Per Serving 300 Softgels | Zinc Supplement for Women & Men | Made with MCT Oil | Non-GMO

Micro Ingredients$19.064.6★71 rev

NatureBell Zinc Quercetin with Vitamin C & D3 240 Capsules | Quercetin 1 000mg + Zinc 50mg + Vitamin C 250mg + Vitamin D3 5 000 IU | 4-in-1 Advanced Immune & Lung Support | ZincVanta Formula

NatureBell$21.494.7★1,482 rev

Now Foods Supplements NAC Quercetin and Zinc Immune and Respiratory Support* 1 000 mg NAC 500 mg Quercetin 15 mg Zinc 90 Veg Capsules

NOW Foods$21.954.6★3,293 rev

Newest

by launch date

Zinc for Women 30mg Zinc Picolinate | 12-in-1 Immune Support Formula with Vitamins C E & D3 + K2 Selenium Copper Quercetin & Lysine | Filler Free Non-GMO Gluten Free | 240 Veg Capsules**

Micro Ingredients$17.3518 rev

5mo ago

Warmbioder Quercetin with Vitamin C and Zinc Support Immune | Quercetin 500mg Vitamin C 500mg Zinc 50mg (Picolinate Citrate Glycinate Gluconate) 90 Capsules

Warmbioder$6.8729 rev

6mo ago

Nutricost Zinc + Quercetin (50mg Zinc 800mg Quercetin) 120 Capsules

Nutricost$16.8739 rev

8mo ago

Micro Ingredients Zinc Picolinate 100 mg Per Serving 300 Softgels | Zinc Supplement for Women & Men | Made with MCT Oil | Non-GMO

Micro Ingredients$19.0671 rev

8mo ago

Carlyle Quercetin 500mg Capsules | with 50mg Zinc | 100 Count

Carlyle$16.39228 rev

2y ago

What buyers say about zinc quercetin

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

What buyers love

Quality-Overall17%

“which adds some quality assurance”

Vitamin11%

“Excellent Supplement”

Immunity Booster10%

“Great for immunity”

Value For Money5%

“Very affordable”

Ease Of Chewing/Swallowing5%

“I have no issue swallowing it”

Ingredients-Overall4%

“Great product with quality ingredients”

Cold Relief4%

“good to have on hand for colds”

Nutritional Content3%

“which I appreciate in a supplement”

Efficiency3%

“My system is better using this”

Advertised Vs Actual Product3%

“As advertised”

What buyers complain about

Dosage8%

“High dosage warning”

Value For Money6%

“Price is ridiculous”

Side Effects5%

“he frequently gets canker sores”

Size-Overall5%

“Big pills”

Allergies4%

“Unusual allergic reaction”

Quality-Overall3%

“Since their Quality Control seems to be lacking”

Ingredients-Overall2%

“As a cursory examination. since my request for a COA from Micro Ingredients went unanswered”

Color Fading/Discoloration2%

“However, this bag was a bit discolored in the capsules so I had to contact customer service who told me its a natural oxidation process”

Ease Of Chewing/Swallowing2%

“which makes them uncomfortable to swallow”

Vitamin2%

“If you are genuinely looking to take all of these supplements”

Top return reasons

Color75%

Acid Regulator/Stomach Ache Relief13%

Iron13%

Common questions

Is zinc quercetin profitable to sell on Amazon United States?: The niche generates $247K/yr across 12 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is -20.8%. Flapen's verdict: Skip it (47/100).
How competitive is the zinc quercetin niche?: 10 brands and 28 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in zinc quercetin?: Top complaints mined from reviews: Dosage, Value For Money, Side Effects. The return rate is 0.0%.
When does demand for zinc quercetin peak?: Demand peaks in Jan–Feb; the busiest month runs 1.9× the quietest.
What does it cost to enter the zinc quercetin niche?: Listings span $6.87–$33.77; the average listing price is $22.31 (sweet spot $15–$100). The average incumbent carries 2,918 reviews — the moat a new listing must climb.