Quercetin with Vitamin C
FailThe top 5 brands take 94% of clicks, so Quercetin with Vitamin C is a Fail.
- Flapen Score
- 47 / 100Ranks 8,381 of 14,768 Health & Household niches · −2 vs the category median of 4947
- Market size
- $239K/yr60K searches / yr
- 90-day growth
- -18.7%search demand this quarter
- Competition
- 68%top-5 click share · 9 brands · 296 sellers
Flapen Score
Quercetin with Vitamin C against its category
The dotted line is the Health & Household average. Past it, Quercetin with Vitamin C is stronger. Inside it, weaker.
Market
The Quercetin with Vitamin C market on Amazon at a glance
Shoppers on Amazon United States searched for Quercetin with Vitamin C 60K times last year and spent an estimated $239K. The top 5 brands take 94% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 16.2% of those searches ended in a purchase.
Shoppers searched for this 60K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.2% of those searches ended in a purchase. Searches in the last 90 days moved -18.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $239K a year.
- Searches, last 12 months
- 60K
- Growth, 90 days vs prior 90
- -18.7%
- Conversion, latest week
- 16.2%
- Market size, estimated
- $239Ka year
- Top search term
- life extension vitamin c18K searches a year
02 · Price
A sale here is worth $24.71.
Listings sell for $24.71 on average, from $7.15 to $45.38. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 500 to 750 of them. At $24.71 that is $12K to $19K a year per listing.
- Average price
- $24.71inside the $15 to $100 sweet spot
- Price range
- $7.15–$45.38
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 500–750
- Revenue per listing a year
- $12K–$19K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
83% 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 #408 within Vitamin C. It carries 2,369 reviews at 4.69 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #408in Vitamin C
- Average rating
- 4.69 starsAmazon United States average 4.42 stars
- Average reviews
- 2,369per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 95 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 95 months
Products
Top Quercetin with Vitamin C 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 29, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Life Extension Vitamin C and Bio-Quercetin Cardiovascular Health Supplement Immune Support Highly absorbable quercetin Vitamin C Gluten Free Non-GMO Vegetarian 250 Tablets
- Price
- $20.46
- Rating
- 4.7/5
- Reviews
- 2,756
- Age
- 7y ago

Solgar Quercetin Complex with Ester-C Plus 100 Vegetable Capsules - Supports Immune Health Antioxidant - Gentle on the Stomach Vitamin C - Non-GMO Vegan Gluten/Dairy Free - 50 Servings
- Price
- $16.85
- Rating
- 4.7/5
- Reviews
- 4,504
- Age
- 18y ago

SOLARAY Quercetin Bromelain & Vitamin C Immune System Sinus Respiratory & Antioxidant Activity Support Vegan 500mg of Quercetin & 1 235mg of VIT C 60 Day Guarantee 75 Servings 150 VegCaps
- Price
- $31.89
- Rating
- 4.7/5
- Reviews
- 2,441
- Age
- 6y ago

Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula absorbs Better Than Standard Vitamin C up to 24 Hours get The Most Out of Your Vitamin C Gluten-Free Non-GMO Vegetarian 60 Tablets
- Price
- $21.23
- Rating
- 4.8/5
- Reviews
- 520
- Age
- 4y ago

Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula 90 Vegetarian Tablets
- Price
- $37.00
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 6mo ago
Trending
estimated 90-day click momentum
Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula 90 Vegetarian Tablets
- Price
- $37.00
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 6mo ago

SOLARAY Quercetin Bromelain & Vitamin C 120 VegCaps
- Price
- $29.53
- Rating
- 4.7/5
- Reviews
- 2,441
- Age
- 22y ago

Life Extension Vitamin C and Bio-Quercetin Cardiovascular Health Supplement Immune Support Highly absorbable quercetin Vitamin C Gluten Free Non-GMO Vegetarian 60 Tablets
- Price
- $7.15
- Rating
- 4.7/5
- Reviews
- 2,756
- Age
- 7y ago

SOLARAY Quercetin Bromelain & Vitamin C 60 VegCaps
- Price
- $18.35
- Rating
- 4.7/5
- Reviews
- 2,441
- Age
- 17y ago

SOLARAY Quercetin 500mg Capsules - Antioxidants Supplement - Bioflavonoid and Antioxidant Support for Overall Health and Wellness - Non-GMO Vegan Lab Verified 60-Day Guarantee 180 Servings
- Price
- $45.38
- Rating
- 4.7/5
- Reviews
- 3,049
- Age
- 1y ago
Newest
by launch date
Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula 90 Vegetarian Tablets
- Price
- $37.00
- Rating
- 5.0/5
- Reviews
- 7
- Age
- 6mo ago

SOLARAY Quercetin 500mg Capsules - Antioxidants Supplement - Bioflavonoid and Antioxidant Support for Overall Health and Wellness - Non-GMO Vegan Lab Verified 60-Day Guarantee 180 Servings
- Price
- $45.38
- Rating
- 4.7/5
- Reviews
- 3,049
- Age
- 1y ago

Natures Bounty Quercetin Immune Support 500mg With Vitamin C Rose Hips & Rutin 60 count
- Price
- $14.94
- Rating
- 4.7/5
- Reviews
- 227
- Age
- 1y ago

SOLARAY Quercetin Phytosome 250 mg 30 VegCaps
- Price
- $17.55
- Rating
- 4.5/5
- Reviews
- 121
- Age
- 3y ago

Life Extension Vitamin C 24-Hour Liposomal Hydrogel Formula absorbs Better Than Standard Vitamin C up to 24 Hours get The Most Out of Your Vitamin C Gluten-Free Non-GMO Vegetarian 60 Tablets
- Price
- $21.23
- Rating
- 4.8/5
- Reviews
- 520
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
296
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
4%
- Life Extension46%
- SOLARAY26%
- Solgar17%
- Integrative Therapeutics4%
- ForestLeaf2%
- Micro Ingredients2%
- Open — no brand owns it (3 brands, 4%)
Demand
Quercetin with Vitamin C search demand
Weekly searches over the year. Pick a range.
Search terms
Top Quercetin with Vitamin C search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- life extension vitamin c18K/yr
- quercetin with vitamin c8K/yr
- solaray quercetin5K/yr
- quercetin vitamin c4K/yr
- solgar quercetin complex with ester-c plus3K/yr
- solaray quercetin with bromelain and vitamin c3K/yr
- vitamin c life extension4K/yr
- vitamin c with quercetin4K/yr
- vitamin c quercetin3K/yr
- solgar quercetin2K/yr
Reviews and returns
What reviews say buyers love and hate about Quercetin with Vitamin C
We read the reviews and the return reasons for every product selling here.
“I had a terrible reaction”
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.
17 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 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









