Lysine
FailPrices span $5.19–$14.12, mostly outside the sweet spot, so Lysine is a Fail.
- Flapen Score
- 43 / 100Ranks 1,437 of 2,035 Health & Personal Care niches · −5 vs the category median of 4843
- Market size
- £458K/yr283K searches / yr
- 90-day growth
- -12.1%search demand this quarter
- Competition
- 90%top-5 click share · 8 brands · 28 sellers
Flapen Score
Lysine against its category
The dotted line is the Health & Personal Care average. Past it, Lysine is stronger. Inside it, weaker.
Market
The Lysine market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Lysine 283K times last year and spent an estimated £458K. The top 5 brands take 90% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
19.5% of searches ended in a purchase last week.
Shoppers searched for this 283K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 19.5% of those searches ended in a purchase. Searches in the last 90 days moved -12.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £458K a year.
- Searches, last 12 months
- 283K
- Growth, 90 days vs prior 90
- -12.1%
- Conversion, latest week
- 19.5%
- Market size, estimated
- £458Ka year
- Peak month
- February1.5× the quietest month
- Top search term
- lysine85K searches a year
02 · Price
A sale here is worth £8.28.
Listings sell for £8.28 on average, from £5.19 to £14.12. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 6,000 to 8,000 of them. At £8.28 that is £50K to £66K a year per listing.
- Average price
- £8.28under the $15 to $100 sweet spot
- Price range
- £5.19–£14.12
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 50K–60K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- £50K–£66K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
75% 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 #5 within Amino Acids. It carries 2,317 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #5in Amino Acids
- Average rating
- 4.48 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,317per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 61 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
- 61 months
Products
Top Lysine products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Top sellers
by 90-day click share
Natures Aid L-Lysine 1000mg High Strength Essential Amino Acid Supports Immune System Muscle Recovery Collagen Bone Health & Energy Vegan Gluten-Free - 60 Tablets
- Price
- £5.87
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 15y ago

L-Lysine Tablets 2000mg - High Strength Lysine Nutritional Supplements - Essential Amino Acid L Lysine - 120 Vegan Lysine Tablets 2 Month Supply Made in The UK By New Leaf
- Price
- £8.11
- Rating
- 4.5/5
- Reviews
- 474
- Age
- 1y ago

Solgar L-Lysine 1000 mg Tablets - Pack of 50 - Support for an Active Lifestyle - Vegan and Gluten Free
- Price
- £7.23
- Rating
- 4.5/5
- Reviews
- 5,957
- Age
- 16y ago

Best Naturals L-Lysine 1000 mg 180 Tablets
- Price
- £9.97
- Rating
- 4.6/5
- Reviews
- 5,718
- Age
- 12y ago

L-Lysine 2950mg | 90 Tablets | Essential Amino Acid | High Strength Vegan Supplement | by Carlyle
- Price
- £5.19
- Rating
- 4.5/5
- Reviews
- 204
- Age
- 2y ago
Trending
90-day click momentum
Natures Aid L-Lysine 1000mg High Strength Essential Amino Acid Supports Immune System Muscle Recovery Collagen Bone Health & Energy Vegan Gluten-Free - 60 Tablets
- Price
- £5.87
- Rating
- 4.5/5
- Reviews
- 4,592
- Age
- 15y ago

Solgar L-Lysine 1000 mg Tablets - Pack of 50 - Support for an Active Lifestyle - Vegan and Gluten Free
- Price
- £7.23
- Rating
- 4.5/5
- Reviews
- 5,957
- Age
- 16y ago

L-Lysine Tablets 2000mg - High Strength Lysine Nutritional Supplements - Essential Amino Acid L Lysine - 120 Vegan Lysine Tablets 2 Month Supply Made in The UK By New Leaf
- Price
- £8.11
- Rating
- 4.5/5
- Reviews
- 474
- Age
- 1y ago

Fermented L-Lysine 1500mg with BioPerine - Made with Vitamin C - High Strength - 120 Vegan Capsules Resealable and Recyclable Pouch By Alpha01
- Price
- £7.35
- Rating
- 4.6/5
- Reviews
- 179
- Age
- 7y ago

L-Lysine 2950mg | 90 Tablets | Essential Amino Acid | High Strength Vegan Supplement | by Carlyle
- Price
- £5.19
- Rating
- 4.5/5
- Reviews
- 204
- Age
- 2y ago
Newest
by launch date
L-Lysine Tablets 2000mg - High Strength Lysine Nutritional Supplements - Essential Amino Acid L Lysine - 120 Vegan Lysine Tablets 2 Month Supply Made in The UK By New Leaf
- Price
- £8.11
- Rating
- 4.5/5
- Reviews
- 474
- Age
- 1y ago

L-Lysine 2950mg | 90 Tablets | Essential Amino Acid | High Strength Vegan Supplement | by Carlyle
- Price
- £5.19
- Rating
- 4.5/5
- Reviews
- 204
- Age
- 2y ago

Nutravita L-Lysine 1100mg High Strength - 240 Vegan & Gluten Free Tablets (8 Month Supply) - Cold Sore Treatment Essential Amino Acid Supplement - Normal Growth and Muscle Turnover - Made in The UK
- Price
- £14.12
- Rating
- 4.4/5
- Reviews
- 899
- Age
- 5y ago

L-Lysine 2950mg | 120 Tablets | Essential Amino Acid | Premium Supplement | Vegan & Vegetarian | By Horbaach
- Price
- £8.39
- Rating
- 4.2/5
- Reviews
- 510
- Age
- 5y ago

Fermented L-Lysine 1500mg with BioPerine - Made with Vitamin C - High Strength - 120 Vegan Capsules Resealable and Recyclable Pouch By Alpha01
- Price
- £7.35
- Rating
- 4.6/5
- Reviews
- 179
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 90% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
28
Top-5 brand share
90%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
6%
- Natures Aid41%
- NEW LEAF PRODUCTS28%
- Solgar10%
- Best Naturals7%
- Carlyle4%
- Horbäach4%
- Open — no brand owns it (2 brands, 6%)
Demand
Lysine search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Lysine search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- lysine85K/yr
- lysine tablets51K/yr
- l lysine38K/yr
- l-lysine32K/yr
- cold sore tablets12K/yr
- l lysine capsules 2000mg14K/yr
- l lysine capsules 1000mg10K/yr
- lysine for cold sores10K/yr
- l-lysine 1000mg tablets7K/yr
- l-lysine nutritional supplements6K/yr
Reviews and returns
What reviews say buyers love and hate about Lysine
What buyers praise, what they complain about and why they send it back, from the reviews.
Complain
Quite a large tablet
Tablets too big
Too big
Can't swallow like putting massive bricks down Ur throat
Even in two they are impossible for me to swallow
Capsule are quite big to swallow
would of been better if the dosage were split into 3 pills so the pills aren't so huge impossible to swallow
despite high dosing
when I woke up with what promised to be a HUGE cold sore
Itchy skin
I woke up yesterday to the familiar feeling of a tingling lip and looked in the mirror to see a big, swollen blistery mess
Horrible smell
didn't smell too safe so I threw the thing away
Love
Helps combat Coldsores
Really help prevent cold sores
Extremely effective against cold sores
Excellent product
The quality feels very good
Great item from a reputable brand
Competitive price
Decent price
Great value for money
didn't cause any issues in swallowing
Definitely noticed that they work quite large to swallow
Easy to swallow
As described
Product has met my expectations
Met Expectations
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 Lysine questions
Answered from the same tracked data.









