Cold Sore Prevention Supplements
FailThe top 5 brands take 100% of clicks, so Cold Sore Prevention Supplements is a Fail.
- Flapen Score
- 43 / 100Ranks 10,775 of 14,768 Health & Household niches · −6 vs the category median of 4943
- Market size
- $355K/yr125K searches / yr
- 90-day growth
- -6.2%search demand this quarter
- Competition
- 84%top-5 click share · 2 brands · 596 sellers
Flapen Score
Cold Sore Prevention Supplements against its category
The dotted line is the Health & Household average. Past it, Cold Sore Prevention Supplements is stronger. Inside it, weaker.
Market
The Cold Sore Prevention Supplements market on Amazon at a glance
Shoppers on Amazon United States searched for Cold Sore Prevention Supplements 125K times last year and spent an estimated $355K. All 2 brands take every click. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 17.3% of those searches ended in a purchase.
Shoppers searched for this 125K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 17.3% of those searches ended in a purchase. Searches in the last 90 days moved -6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $355K a year.
- Searches, last 12 months
- 125K
- Growth, 90 days vs prior 90
- -6.2%
- Conversion, latest week
- 17.3%
- Market size, estimated
- $355Ka year
- Top search term
- super lysine39K searches a year
02 · Price
A sale here is worth $16.38.
Listings sell for $16.38 on average, from $7.76 to $25.91. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 2,500 to 3,000 of them. At $16.38 that is $41K to $49K a year per listing.
- Average price
- $16.38inside the $15 to $100 sweet spot
- Price range
- $7.76–$25.91
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 2,500–3,000
- Revenue per listing a year
- $41K–$49K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
80% 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 #207 within Amino Acids. It carries 9,899 reviews at 4.65 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 80%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #207in Amino Acids
- Average rating
- 4.65 starsAmazon United States average 4.42 stars
- Average reviews
- 9,899per listing
- Listings tracked
- 10
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 87 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
- 87 months
Products
Top Cold Sore Prevention Supplements 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
Quantum Health SuperLysine+ 1500mg L-lysine Immune Support 180 Tablets
- Price
- $19.47
- Rating
- 4.6/5
- Reviews
- 14,189
- Age
- 22y ago

Quantum Health SuperLysine+ 1500mg L-lysine Immune Support 90 Tablets
- Price
- $11.96
- Rating
- 4.7/5
- Reviews
- 2,612
- Age
- 19y ago

NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets
- Price
- $8.44
- Rating
- 4.6/5
- Reviews
- 38,103
- Age
- 22y ago

Quantum SuperLysine+ Cold Sore Treatment Ointment|Relieves Pain Burning and Itching|Cuts Healing Time in Half|0.25 Ounce
- Price
- $8.70
- Rating
- 4.6/5
- Reviews
- 2,324
- Age
- 24y ago

Now Foods L-Lysine 1000mg - Double Strength - 300 Tablets - Non-GMO Amino Acid Supplement (Llysine Hydrochloride)- 1000 mg Tabs - Vegan/Vegetarian
- Price
- $25.91
- Rating
- 4.8/5
- Reviews
- 574
- Age
- 3y ago
Trending
estimated 90-day click momentum
Now Foods L-Lysine 1000mg - Double Strength - 300 Tablets - Non-GMO Amino Acid Supplement (Llysine Hydrochloride)- 1000 mg Tabs - Vegan/Vegetarian
- Price
- $25.91
- Rating
- 4.8/5
- Reviews
- 574
- Age
- 3y ago

Quantum Super Lysine 180 Count
- Price
- $21.25
- Rating
- 4.8/5
- Reviews
- 568
- Age
- 20y ago

NOW Foods Supplements L-Lysine (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 250 Tablets
- Price
- $18.43
- Rating
- 4.6/5
- Reviews
- 38,103
- Age
- 8y ago

Quantum Health SuperLysine+ 1500mg L-lysine Immune Support 90 Tablets
- Price
- $11.96
- Rating
- 4.7/5
- Reviews
- 2,612
- Age
- 19y ago

Quantum SuperLysine+ Cold Sore Treatment Ointment|Relieves Pain Burning and Itching|Cuts Healing Time in Half|0.25 Ounce
- Price
- $8.70
- Rating
- 4.6/5
- Reviews
- 2,324
- Age
- 24y ago
Newest
by launch date
Now L-Lysine 500 mg 360 Vegetarian Capsules
- Price
- $23.97
- Rating
- 4.7/5
- Reviews
- 250
- Age
- 2y ago

Now Foods L-Lysine 1000mg - Double Strength - 300 Tablets - Non-GMO Amino Acid Supplement (Llysine Hydrochloride)- 1000 mg Tabs - Vegan/Vegetarian
- Price
- $25.91
- Rating
- 4.8/5
- Reviews
- 574
- Age
- 3y ago

NOW Foods Supplements L-Lysine (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 250 Tablets
- Price
- $18.43
- Rating
- 4.6/5
- Reviews
- 38,103
- Age
- 8y ago

Quantum Health SuperLysine+ Lip Sunscreen SPF 21 Clear Balm 0.17 oz
- Price
- $7.76
- Rating
- 4.6/5
- Reviews
- 1,532
- Age
- 18y ago

Quantum Health SuperLysine+ 1500mg L-lysine Immune Support 90 Tablets
- Price
- $11.96
- Rating
- 4.7/5
- Reviews
- 2,612
- Age
- 19y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 84% of clicks. A locked shelf that new listings rarely crack.
Brands
2 flat
Sellers
596
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
84%
Top 20: 100%
Open market
0%
- Quantum76%
- NOW Foods24%
Demand
Cold Sore Prevention Supplements search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Dec · busiest ÷ quietest = 8.8× · 11 of 12 months tracked
Search terms
Top Cold Sore Prevention Supplements search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- super lysine39K/yr
- super lysine immune support18K/yr
- quantum health super lysine11K/yr
- now lysine8K/yr
- super lysine plus6K/yr
- superlysine5K/yr
- cold sore pills4K/yr
- superlysine+4K/yr
- now lysine 1000mg capsules3K/yr
- now l-lysine3K/yr
Reviews and returns
What reviews say buyers love and hate about Cold Sore Prevention Supplements
We read the reviews and the return reasons for every product selling here.
“The container is also very small”
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.
16 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 Cold Sore Prevention Supplements 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









