Lysine
MaybeAn estimated 0.0% of orders come back. But the top 5 products take 76% of clicks, so Lysine is a Maybe.
- Flapen Score
- 55 / 100Top 24% of 14,768 Health & Household niches · +6 vs the category median of 4955
- Market size
- $6.9M/yr2.4M searches / yr
- 90-day growth
- -2.8%search demand this quarter
- Competition
- 76%top-5 click share · 10 brands · 560 sellers
Flapen Score
Lysine against its category
The dotted line is the Health & Household average. Past it, Lysine is stronger. Inside it, weaker.
Market
The Lysine market on Amazon at a glance
Shoppers on Amazon United States searched for Lysine 2.4M times last year and spent an estimated $6.9M. The top 5 brands take 84% of clicks. Demand peaks in Dec. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 18.6% of those searches ended in a purchase.
Shoppers searched for this 2.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 18.6% of those searches ended in a purchase. Searches in the last 90 days moved -2.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $6.9M a year.
- Searches, last 12 months
- 2.4M
- Growth, 90 days vs prior 90
- -2.8%
- Conversion, latest week
- 18.6%
- Market size, estimated
- $6.9Ma year
- Peak month
- December1.6× the quietest month
- Top search term
- lysine920K searches a year
02 · Price
A sale here is worth $15.62.
Listings sell for $15.62 on average, from $6.46 to $39.41. Amazon reports units sold in ranges. This niche sold 400K to 500K a year. The average listing sells 30,000 to 40,000 of them. At $15.62 that is $469K to $625K a year per listing.
- Average price
- $15.62inside the $15 to $100 sweet spot
- Price range
- $6.46–$39.41
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 400K–500K
- Units per listing a year
- 30,000–40,000
- Revenue per listing a year
- $469K–$625K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
87% 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 #89 within Amino Acids. It carries 10,535 reviews at 4.67 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 87%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #89in Amino Acids
- Average rating
- 4.67 starsAmazon United States average 4.42 stars
- Average reviews
- 10,535per listing
- Listings tracked
- 15
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 72 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
- 72 months
Products
Top Lysine 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
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

Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum Lip Health* - with L-Lysine HCl - 90 Capsules
- Price
- $14.85
- Rating
- 4.8/5
- Reviews
- 5,688
- Age
- 18y ago

Nature Made L-Lysine 1000 mg Dietary L-Lysine Supplements 60 Tablets 60 Day Supply
- Price
- $6.46
- Rating
- 4.6/5
- Reviews
- 12,920
- Age
- 27y ago

Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf Garlic Vitamin C and Zinc - Non-GMO 90 Vegetarian Capsules
- Price
- $9.88
- Rating
- 4.7/5
- Reviews
- 6,618
- Age
- 6y ago

THORNE - Lysine - Supports Immune Skin & Bone Health - Promotes Collagen Formation* - L-Lysine Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
- Price
- $14.52
- Rating
- 4.7/5
- Reviews
- 1,865
- Age
- 24y ago
Trending
estimated 90-day click momentum
Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum Lip Health* - with L-Lysine HCl - 90 Capsules
- Price
- $14.85
- Rating
- 4.8/5
- Reviews
- 5,688
- Age
- 18y ago

Nutricost L-Lysine 1000mg 250 Capsules - 500mg Per Cap Gluten Free Non-GMO
- Price
- $14.75
- Rating
- 4.7/5
- Reviews
- 7,057
- Age
- 8y ago

THORNE - Lysine - Supports Immune Skin & Bone Health - Promotes Collagen Formation* - L-Lysine Amino Acid Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 60 Capsules
- Price
- $14.52
- Rating
- 4.7/5
- Reviews
- 1,865
- Age
- 24y ago

Bronson L-Lysine Extra Strength 1000 MG per Tablet High Potency Immune Support & Supports Collagen Synthesis Non-GMO 100 Vegetarian Tablets
- Price
- $10.02
- Rating
- 4.6/5
- Reviews
- 1,698
- 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
Newest
by launch date
Pure L-Lysine 2 000mg 300 Veggie Capsules | Maximum Potency Easily Absorbed Free Form | Essential Amino Acid for Collagen Lip & Immune Support | Clean Ingredients Without Fillers
- Price
- $17.12
- Rating
- 4.6/5
- Reviews
- 515
- Age
- 1y ago

Bronson L-Lysine Extra Strength 1000 MG per Tablet High Potency Immune Support & Supports Collagen Synthesis Non-GMO 100 Vegetarian Tablets
- Price
- $10.02
- Rating
- 4.6/5
- Reviews
- 1,698
- Age
- 3y ago

Bronson L-Lysine Defense Immune Support Complex 1500 MG L-Lysine Plus Olive Leaf Garlic Vitamin C and Zinc - Non-GMO 90 Vegetarian Capsules
- Price
- $9.88
- Rating
- 4.7/5
- Reviews
- 6,618
- Age
- 6y ago

Nutricost L-Lysine 1000mg 250 Capsules - 500mg Per Cap Gluten Free Non-GMO
- Price
- $14.75
- Rating
- 4.7/5
- Reviews
- 7,057
- Age
- 8y 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
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
10 falling
Sellers
560
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
11%
- NOW Foods32%
- Pure Encapsulations23%
- Nature Made14%
- Bronson11%
- Nutricost5%
- THORNE5%
- Open — no brand owns it (4 brands, 11%)
Demand
Lysine search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Dec · busiest ÷ quietest = 1.6×
Search terms
Top Lysine search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- lysine920K/yr
- l lysine402K/yr
- l-lysine283K/yr
- lysine 1000mg capsules279K/yr
- l lysine 1000mg capsules136K/yr
- l-lysine 1000mg capsules83K/yr
- lysine supplement106K/yr
- llysine27K/yr
- lysine capsules24K/yr
- lisina22K/yr
Reviews and returns
What reviews say buyers love and hate about Lysine
We read the reviews and the return reasons for every product selling here.
“Tablets are rather large”
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.
22 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 Lysine 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









