Lysine For Cats Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Lysine For Cats sales on Amazon US totaled 82,850 units in July 2026 (▼ 14.2% vs. the prior month), generating an estimated $2,046,349 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 80.9% of unit volume and 83.3% of revenue, while a typical listing is priced at $22.98. The keyword itself pulled 24,960 Amazon queries over the same period (▲ 4.3% MoM).
Zooming out to the 12-month window ending July 2026, the lysine for cats Top 50 moved 982,150 units and $23,907,264 in cumulative sales — an average of 81,846 units and $1,992,272 per month. Monthly throughput topped out at 98,500 units in November 2025 and dipped to 53,800 in May 2026, leaving the latest reading 7.8% higher than August 2025.
Lysine For Cats Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
82.8K
▼ 14.2% MoM
Monthly Revenue 2026/07
$2M
▼ 15.3% MoM
Top 10 Market Share 2026/07
80.9%
Lysine For Cats Market Share & Sales Concentration on Amazon US — July 2026
The most-sold lysine for cats listing on Amazon US in July 2026 is ASIN B001650OE0 (Brand: Pro Plan Veterinary Diets), which sold 30,000 units at $30.99 apiece — equal to 36.2% of every unit tracked in this report and 3.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 67,000 units and $1,704,130 in July 2026 — 80.9% of unit volume and 83.3% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Lysine For Cats' on Amazon
July 2026









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Top 5 Volume Share breakdown

B001650OE0
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System
30K
▼ 25.0%vs. prior month
$929.7K
latest month
12-month trend

B0C3NKNYLD
Cat Multivitamin Crunchy Creamy Chews - Daily Cat Vitamins with Lysine, Prebiotics, Omega 3 Fish Oil - Cat Treats for Immune Support, Skin Coat, Digestion, Heart + Joint Health (30-Day Supply)
10K
▲ 0.0%vs. prior month
$159.9K
latest month
12-month trend

B0C2B7F597
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)
5K
▼ 28.6%vs. prior month
$80K
latest month
12-month trend

B000FULBT4
Vetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness, Respiratory Health & Immune Strength - Flavored Oral Powder for Easy Feeding & Daily Use - 100 Grams
5K
▼ 16.7%vs. prior month
$158.2K
latest month
12-month trend

B00AMEBH06
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
4K
▲ 0.0%vs. prior month
$102.2K
latest month
12-month trend

B0C6P7Y6H3
Cat Antibiotic for Infections, UTIs, Respiratory Moments, Cold, & Allergies | Antibiotics for Cats of All Ages & Breeds | Liquid Form | Natural Supplement with Chicken Flavor | 2 Oz
4K
▼ 20.0%vs. prior month
$90.7K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Lysine For Cats Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Pro Plan Veterinary Diets is the best-performing lysine for cats brand in July 2026, moving 30,000 units across 1 ASIN for 44.8% of Top 10 volume. Pet Honesty follows with 15,000 units (22.4%), ahead of Vetoquinol on 9,000 units (13.4%).
With 8 brands splitting the Top 10 and 80.6% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $15.99 to $30.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Pro Plan Veterinary Diets
1 ASIN in Top 10
44.8%
Units
30K
Revenue
$929.7K
Avg. price
$30.99

B001650OE0
$30.99·★4.7·20.3K revsPro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System
Units sold30K
Pet Honesty
2 ASINs in Top 10
22.4%
Units
15K
Revenue
$239.8K
Avg. price
$15.99

B0C3NKNYLD
$15.99·★4.7·5.7K revsCat Multivitamin Crunchy Creamy Chews - Daily Cat Vitamins with Lysine, Prebiotics, Omega 3 Fish Oil - Cat Treats for Immune Support, Skin Coat, Digestion, Heart + Joint Health (30-Day Supply)
Units sold10K
B0C2B7F597
$15.99·★4.5·2.6K revsCat 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)
Units sold5K
Vetoquinol
2 ASINs in Top 10
13.4%
Units
9K
Revenue
$260.4K
Avg. price
$28.98

B000FULBT4
$31.99·★4.6·9.6K revsVetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness, Respiratory Health & Immune Strength - Flavored Oral Powder for Easy Feeding & Daily Use - 100 Grams
Units sold5K
B00AMEBH06
$25.98·★4.4·11.3K revsVetoquinol 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
Units sold4K
Trending Lysine For Cats Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0FLJ12MW8 leads positive momentum with ▲ 300.0% MoM growth on 800 units, with B0GTTYCJGQ close behind at ▲ 166.7% MoM on 800 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B0FLJ12MW8
L-lysine Supplement for Cats, Immune Support for Cats, Chicken Flavor 60ml | Support for Feline Respiratory, Sneezing, Runny Nose, Eye Function, Helps Strengthen Natural Defenses
Price
$11.88
Rating
4.4
Reviews
286
Latest month sales

B0GTTYCJGQ
Lysine for Cats, L-Lysine for Cats Chews & Treats, 500 Ct, Immune Support | L-Lysine Supplement with Colostrum, Quercetin & Omega-3 for Sneezing, Runny Nose, Eye & Respiratory Support, Chicken Flavor.
Price
$16.82
Rating
4.4
Reviews
140
Latest month sales

B088KX3CJN
Alpha Paw - Human Grade for Pets - Cat Lysine Supplement - Extra Servings 5-10 Month Supply - Natural Lysine (8 Ounces/227 Grams)
Unlock to view ASIN details and product titles
Price
$22.99
Rating
4.5
Reviews
1.2K
Latest month sales
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