Lysine
prices mostly outside the sweet spot ($5.19–$14.12) — Lysine doesn't clear our bar today.
Flapen Score
Is Lysine profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Lysine is a £458K/yr Amazon United Kingdom market (283K searches/yr). The top 5 brands hold 90% of demand. Verdict: Skip it — 43/100.
Lysine: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -12.1% over the last 90 days and 19.5% of searches end in a purchase.
£458K
revenue / yr
Who owns the niche?
The top 5 brands hold 90% of demand, so 10% of the market is open.
10%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 8 products
Top Lysine products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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 momentumNatures 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 dateL-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: brands, sellers & click share
The top 5 products capture 90% of clicks — a locked-up 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%)
Lysine demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top Lysine search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about Lysine
What buyers mention most, as a share of all reviews.
What buyers love
81% of reviews“Helps combat Coldsores”
“Excellent product”
“Competitive price”
“didn't cause any issues in swallowing”
“As described”
What buyers complain about
66% of reviews“Quite a large tablet”
“Can't swallow like putting massive bricks down Ur throat”
“would of been better if the dosage were split into 3 pills so the pills aren't so huge impossible to swallow”
“when I woke up with what promised to be a HUGE cold sore”
“Horrible smell”
Common Lysine questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
