Lysine for Cats
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -13.5% this quarter, so Lysine for Cats is a Maybe.
- Flapen Score
- 62 / 100Top 10% of 3,978 Pet Supplies niches · +11 vs the category median of 5162
- Market size
- $1.4M/yr543K searches / yr
- 90-day growth
- -13.5%search demand this quarter
- Competition
- 60%top-5 click share · 20 brands · 34 sellers
Flapen Score
Lysine for Cats against its category
The dotted line is the Pet Supplies average. Past it, Lysine for Cats is stronger. Inside it, weaker.
Market
The Lysine for Cats market on Amazon at a glance
Shoppers on Amazon United States searched for Lysine for Cats 543K times last year and spent an estimated $1.4M. The top 5 brands take 71% of clicks. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 12.7% of those searches ended in a purchase.
Shoppers searched for this 543K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.7% of those searches ended in a purchase. Searches in the last 90 days moved -13.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $1.4M a year.
- Searches, last 12 months
- 543K
- Growth, 90 days vs prior 90
- -13.5%
- Conversion, latest week
- 12.7%
- Market size, estimated
- $1.4Ma year
- Peak month
- January1.3× the quietest month
- Top search term
- lysine for cats277K searches a year
02 · Price
A sale here is worth $19.98.
Listings sell for $19.98 on average, from $6.57 to $34.50. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 3,000 to 4,000 of them. At $19.98 that is $60K to $80K a year per listing.
- Average price
- $19.98inside the $15 to $100 sweet spot
- Price range
- $6.57–$34.50
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 60K–80K
- Units per listing a year
- 3,000–4,000
- Revenue per listing a year
- $60K–$80K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% 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 #88 within Health Supplies. It carries 2,577 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #88in Health Supplies
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 2,577per listing
- Listings tracked
- 24
04 · Newcomers
8 of last year's 11 launches cleared the first-year sales bar.
11 products launched here in the last 12 months. 8 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 63 months on average, so the names here are established.
- Launched, last 12 months
- 11
- Successful launches
- 8Amazon's first-year sales bar
- Average brand age
- 63 months
Products
Top Lysine for Cats 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Vetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness Respiratory Health & Immune Strength - Flavored Oral Powder for Easy Feeding & Daily Use - 100 Grams
- Price
- $30.84
- Rating
- 4.6/5
- Reviews
- 9,577
- Age
- 20y ago

SANTKOL L-Lysine Supplement for Cats - Immune Support - 60ML Lysine for Feline Respiratory Sneezing Runny Nose Eye Function - Natural Cat Antibiotic Drops - Roast Chicken Flavor
- Price
- $20.67
- Rating
- 4.5/5
- Reviews
- 1,503
- Age
- 1y ago

Cat Immune Support Lysine Allergy Relief & Immune Health Supplement for Cats with L-Lysine Colostrum Quercetin & Omega-3 Soothes Sneezing Runny Nose & Itchy Skin Chicken (30-Day Supply)
- Price
- $15.33
- Rating
- 4.5/5
- Reviews
- 2,461
- Age
- 3y ago

L-Lysine for Cats 900mg - Immune Eye & Respiratory Support Powder
- Price
- $22.49
- Rating
- 4.4/5
- Reviews
- 3,170
- Age
- 6y ago

Vetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness Respiratory Health & Immune Strength - Flavored Oral Gel for Easy Feeding & Daily Use for Picky Eaters - 5oz
- Price
- $24.49
- Rating
- 4.5/5
- Reviews
- 11,209
- Age
- 20y ago
Trending
estimated 90-day click momentum
Lysine for Cats L-Lysine for Cats Chews & Lysine Treats 500 Chews Immune Support with L-Lysine Supplement Colostrum Quercetin & Omega-3 Respiratory Sneezing Runny Nose Eye Chicken Flavor
- Price
- $20.75
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 3mo ago

L-Lysine Supplement for Cats Immune & Respiratory Support Liquid with Natural Ingredients Chicken Flavor Dietary Supplement for Skin Coat & Eye Health 2 fl oz
- Price
- $6.57
- Rating
- 4.3/5
- Reviews
- 26
- Age
- 8mo ago

L-lysine Supplement for Cats Cat L-Lysine Liquid Drops for Immune Support Feline Respiratory Sneezing Runny Nose Helps Strengthen Natural Defenses Roast Chicken Flavor 2oz (60mL)
- Price
- $13.25
- Rating
- 4.4/5
- Reviews
- 81
- Age
- 8mo ago

Lysine for Cats - L-Lysine Liquid Drops for Cat & Kittens 60ML Lysine Supplement for Immune Support Reduces Sneezing/Runny Nose Supports Respiratory Eye & Nasal Health Easy-to-Feed 2 Fl Oz
- Price
- $16.08
- Rating
- 3.9/5
- Reviews
- 16
- Age
- 6mo ago

Lysine for Cats 500ct Cat Immune Support Chews L-Lysine Supplement for Cats with Colostrum Omega-3 Soothes Sneezing Runny Nose & Upper Respiratory Support Crunchy & Creamy Chicken Krill Flavor
- Price
- $19.66
- Rating
- 4.3/5
- Reviews
- 127
- Age
- 3mo ago
Newest
by launch date
Lysine for Cats L-Lysine for Cats Chews & Lysine Treats 500 Chews Immune Support with L-Lysine Supplement Colostrum Quercetin & Omega-3 Respiratory Sneezing Runny Nose Eye Chicken Flavor
- Price
- $20.75
- Rating
- 4.6/5
- Reviews
- 48
- Age
- 3mo ago

Lysine for Cats 500ct Cat Immune Support Chews L-Lysine Supplement for Cats with Colostrum Omega-3 Soothes Sneezing Runny Nose & Upper Respiratory Support Crunchy & Creamy Chicken Krill Flavor
- Price
- $19.66
- Rating
- 4.3/5
- Reviews
- 127
- Age
- 3mo ago

Lysine for Cats - L-Lysine Liquid Drops for Cat & Kittens 60ML Lysine Supplement for Immune Support Reduces Sneezing/Runny Nose Supports Respiratory Eye & Nasal Health Easy-to-Feed 2 Fl Oz
- Price
- $16.08
- Rating
- 3.9/5
- Reviews
- 16
- Age
- 6mo ago

Puyrzoe L-Lysine for Cats Drops Sneezing Runny Nose & Watery Eyes Relief Liquid Cat Lysine Supplement for Immune & Respiratory Support with Taurine & Vitamins to Boost Energy & Appetite 60 mL
- Price
- $16.72
- Rating
- 4.5/5
- Reviews
- 138
- Age
- 6mo ago

L-Lysine Supplement for Cats - Vitamins & Taurine for Immune Support & Allergy Relief - Lysine for Respiratory Sneezing Runny Nose Eye Function - Natural Cat Antibiotic Drops - 60ML Slamon Flavor
- Price
- $16.37
- Rating
- 4.6/5
- Reviews
- 90
- Age
- 7mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 60% of clicks. Leaders hold, but buyers still shop past them.
Brands
20 rising
Sellers
34
Est. top-5 brand share
71%
Top 20: 100%
Est. top-5 click share
60%
Top 20: 96%
Open market
25%
- Vetoquinol27%
- SANTKOL15%
- Pet Honesty13%
- Coco and Luna10%
- Felisyl7%
- NOW Foods4%
Demand
Lysine for Cats search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Lysine for Cats search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- lysine for cats277K/yr
- l-lysine for cats62K/yr
- l lysine cats46K/yr
- l lysine for cats29K/yr
- cat immune support20K/yr
- cat lysine24K/yr
- lysine cats17K/yr
- immune support for cats13K/yr
- cat lysine supplement10K/yr
- lysine supplement for cats7K/yr
Reviews and returns
What reviews say buyers love and hate about Lysine for Cats
We read the reviews and the return reasons for every product selling here.
“Cat allergy”
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 Lysine for Cats 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









