Quercetin with Vitamin C and Zinc
FailThe top 5 products take 87% of clicks, so Quercetin with Vitamin C and Zinc is a Fail.
- Flapen Score
- 43 / 100Ranks 10,775 of 14,768 Health & Household niches · −6 vs the category median of 4943
- Market size
- $130K/yr39K searches / yr
- 90-day growth
- -14.9%search demand this quarter
- Competition
- 87%top-5 click share · 7 brands · 10 sellers
Flapen Score
Quercetin with Vitamin C and Zinc against its category
The dotted line is the Health & Household average. Past it, Quercetin with Vitamin C and Zinc is stronger. Inside it, weaker.
Market
The Quercetin with Vitamin C and Zinc market on Amazon at a glance
Shoppers on Amazon United States searched for Quercetin with Vitamin C and Zinc 39K times last year and spent an estimated $130K. The top 5 brands take 93% of clicks. Demand peaks in Jan–Feb–Dec. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 12.3% of those searches ended in a purchase.
Shoppers searched for this 39K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.3% of those searches ended in a purchase. Searches in the last 90 days moved -14.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $130K a year.
- Searches, last 12 months
- 39K
- Growth, 90 days vs prior 90
- -14.9%
- Conversion, latest week
- 12.3%
- Market size, estimated
- $130Ka year
- Peak month
- February10.1× the quietest month
- Top search term
- quercetin zinc vitamin c vitamin d elderberry6K searches a year
02 · Price
A sale here is worth $26.79.
Listings sell for $26.79 on average, from $21.49 to $33.77. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 500 to 750 of them. At $26.79 that is $13K to $20K a year per listing.
- Average price
- $26.79inside the $15 to $100 sweet spot
- Price range
- $21.49–$33.77
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $13K–$20K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #62 within Antioxidants. It carries 4,174 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #62in Antioxidants
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 4,174per listing
- Listings tracked
- 9
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 67 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 67 months
Products
Top Quercetin with Vitamin C and Zinc products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Zinc Quercetin 500mg with Vitamin C Vitamin D3 Bromelain Immune Support High Potency Quercetin Zinc Supplement ZQV by SPARTIS (Pack of 1 Bottle at 120-Caps)
- Price
- $33.77
- Rating
- 4.7/5
- Reviews
- 2,187
- Age
- 5y ago

Q Defend Quercetin Supplement with Zinc Vitamin C Vitamin D Elderberry Turmeric Black Pepper Garlic Ginger Sea Moss Lysine Stinging Nettle Reishi Mushroom Immune Support 60 Capsules
- Price
- $27.85
- Rating
- 4.6/5
- Reviews
- 7,424
- Age
- 4y ago

Micro Ingredients Quercetin with Vitamin C & Zinc 240 Capsules | 6in1 Formula with Quercetin Vitamin C & 4 Zinc Forms (Picolinate Citrate Glycinate Gluconate) | NonGMO
- Price
- $29.31
- Rating
- 4.6/5
- Reviews
- 1,642
- Age
- 6y ago

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
- Price
- $21.49
- Rating
- 4.7/5
- Reviews
- 1,482
- Age
- 6y ago

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
- Price
- $27.56
- Rating
- 4.8/5
- Reviews
- 17,694
- Age
- 6y ago
Trending
estimated 90-day click momentum
Quercetin Zinc Vitamin C Vitamin D Bromelain Elderberry - Nettle Supplement with Artemisinin Sea Moss Echinacea - 120 Count
- Price
- $28.63
- Rating
- 4.7/5
- Reviews
- 225
- Age
- 1y ago

Clean Nutraceuticals Immune Defense Support Supplement 8 in 1 with Zinc 50mg Quercetin VIT C 1000mg Vitamin D3 5000 IU Elderberry Ginger - Immunity System Booster for Adults Vegan - 60 Count
- Price
- $23.43
- Rating
- 4.6/5
- Reviews
- 3,145
- Age
- 5y ago

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
- Price
- $27.56
- Rating
- 4.8/5
- Reviews
- 17,694
- Age
- 6y ago

Micro Ingredients Quercetin with Vitamin C & Zinc 240 Capsules | 6in1 Formula with Quercetin Vitamin C & 4 Zinc Forms (Picolinate Citrate Glycinate Gluconate) | NonGMO
- Price
- $29.31
- Rating
- 4.6/5
- Reviews
- 1,642
- Age
- 6y ago

Gade Nutrition Quercetin with Bromelain Vitamin C and Zinc Vitamin D | Immune Support Supplement in Capsules | Non-GMO Gluten-Free Vegan | Made in USA | 2 Month Supply
- Price
- $24.75
- Rating
- 4.7/5
- Reviews
- 1,955
- Age
- 5y ago
Newest
by launch date
Quercetin Zinc Vitamin C Vitamin D Bromelain Elderberry - Nettle Supplement with Artemisinin Sea Moss Echinacea - 120 Count
- Price
- $28.63
- Rating
- 4.7/5
- Reviews
- 225
- Age
- 1y ago

Elderberry Vitamin C and Zinc Capsules with D3 and Quercetin | 6-in-1 Immune Support Supplement Pills for Adults | 120 Count Sambucus Black Elderberry Natural Immunity Vitamins | Made in USA
- Price
- $24.35
- Rating
- 4.7/5
- Reviews
- 1,812
- Age
- 1y ago

Q Defend Quercetin Supplement with Zinc Vitamin C Vitamin D Elderberry Turmeric Black Pepper Garlic Ginger Sea Moss Lysine Stinging Nettle Reishi Mushroom Immune Support 60 Capsules
- Price
- $27.85
- Rating
- 4.6/5
- Reviews
- 7,424
- Age
- 4y ago

Zinc Quercetin 500mg with Vitamin C Vitamin D3 Bromelain Immune Support High Potency Quercetin Zinc Supplement ZQV by SPARTIS (Pack of 1 Bottle at 120-Caps)
- Price
- $33.77
- Rating
- 4.7/5
- Reviews
- 2,187
- Age
- 5y ago

Clean Nutraceuticals Immune Defense Support Supplement 8 in 1 with Zinc 50mg Quercetin VIT C 1000mg Vitamin D3 5000 IU Elderberry Ginger - Immunity System Booster for Adults Vegan - 60 Count
- Price
- $23.43
- Rating
- 4.6/5
- Reviews
- 3,145
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 87% of clicks. A locked shelf that new listings rarely crack.
Brands
7 falling
Sellers
10
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
87%
Top 20: 100%
Open market
3%
- SPARTIS45%
- Clean Nutraceuticals17%
- Micro Ingredients14%
- NatureBell9%
- Sandhu's8%
- NEW AGE4%
- Open — no brand owns it (1 brand, 3%)
Demand
Quercetin with Vitamin C and Zinc search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 10.1×
Search terms
Top Quercetin with Vitamin C and Zinc search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- quercetin zinc vitamin c vitamin d elderberry6K/yr
- zstack6K/yr
- zinc quercetin vitamin c4K/yr
- z stack vitamin zelenko5K/yr
- zinc quercetin vitamin c and d3 immune complex5K/yr
- z stack5K/yr
- quercetin with vitamin c and zinc4K/yr
- z-stack dr. zelenko immunity vitamin pack2K/yr
- spartis zinc quercetin vitamin c and d3 immune complex2K/yr
Reviews and returns
What reviews say buyers love and hate about Quercetin with Vitamin C and Zinc
We read the reviews and the return reasons for every product selling here.
“Too much in 1”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Quercetin with Vitamin C and Zinc questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









