Cat Immune Support
a small market ($68K/yr) — Cat Immune Support doesn't clear our bar today.
Flapen Score
Ranks 2,168 of 3,978 Pet Supplies niches · −2 vs the category median of 51
Is Cat Immune Support profitable on Amazon?
According to Flapen's Amazon United States niche tracking, Cat Immune Support is a $68K/yr Amazon United States market (49K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 49/100.
Cat Immune Support: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -12.4% over the last 90 days and 7.7% of searches end in a purchase.
$68K
revenue / yr
Who owns the niche?
The top 5 brands hold 71% of demand, so 29% of the market is open.
29%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 17 products
Top Cat Immune Support 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
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

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

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

Tomlyn Immune Support Daily L-Lysine Supplement Fish-Flavored Lysine Powder for Cats and Kittens 3.5oz
- Price
- $20.29
- Rating
- 4.6/5
- Reviews
- 5,419
- Age
- 13y ago
Trending
90-day click momentum
Purina ONE Plus Immune Support Purees with Real Chicken Lickable Cat Treats - 1.4 oz (Pack of 4)
- Price
- $3.06
- Rating
- 4.4/5
- Reviews
- 50
- Age
- 7mo ago

Lysine for Cats Supplement Immune System & Respiratory Health Support for Cats & Kittens 2floz Eye Discharge Sneezing Relief Tasty Easy-Mix Formula Daily Cat Lysine for Stronger Immunity
- Price
- $12.37
- Rating
- 4.5/5
- Reviews
- 81
- Age
- 10mo ago

Nutramax Imuquin Immune Health Supplement for Cats with Astaxanthin and Beta Glucans 30 Sprinkle Capsules
- Price
- $19.10
- Rating
- 4.3/5
- Reviews
- 1,046
- Age
- 8mo ago

Antibiotics for Cats Natural Antibiotic Pet Supplements Supports Immune & Cats Allergy Relief Cat Multivitamin UTI Drops for All Ages & Breeds of Cat Chicken Flavour - 2 Fl Oz / 1 Pack
- Price
- $13.43
- Rating
- 4.3/5
- Reviews
- 1,587
- Age
- 2y ago

Multivitamin for Cats 4oz Powder - Immune Eye Skin & Heart Support
- Price
- $22.50
- Rating
- 4.2/5
- Reviews
- 769
- Age
- 2y ago
Newest
by launch date
Purina ONE Plus Immune Support Purees with Real Chicken Lickable Cat Treats - 1.4 oz (Pack of 4)
- Price
- $3.06
- Rating
- 4.4/5
- Reviews
- 50
- Age
- 7mo ago

Nutramax Imuquin Immune Health Supplement for Cats with Astaxanthin and Beta Glucans 30 Sprinkle Capsules
- Price
- $19.10
- Rating
- 4.3/5
- Reviews
- 1,046
- Age
- 8mo ago

Lysine for Cats Supplement Immune System & Respiratory Health Support for Cats & Kittens 2floz Eye Discharge Sneezing Relief Tasty Easy-Mix Formula Daily Cat Lysine for Stronger Immunity
- Price
- $12.37
- Rating
- 4.5/5
- Reviews
- 81
- Age
- 10mo ago

Purina Pro Plan Veterinary Cat Supplements Multi Care Feline Supplement Digestive Probiotics for Cats Immune Support Cat Supplement - 30 ct. Box
- Price
- $27.40
- Rating
- 4.6/5
- Reviews
- 667
- Age
- 1y ago

Cat Multivitamin 15 in 1 Cat Vitamins Liquid Drops Supplements for Heart Health Bones Joint Skin & Coat Bladder Immune System Support 60ml
- Price
- $9.19
- Rating
- 4.5/5
- Reviews
- 1,278
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.
Brands
14 falling
Sellers
16
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
58%
Top 20: 100%
Open market
23%
- Pet Honesty28%
- Vetoquinol15%
- Coco and Luna11%
- SANTKOL9%
- TOMLYN8%
- Pro Plan Veterinary Diets6%
Cat Immune Support demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.4×
Top Cat Immune Support search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- cat immune support20K/yr
- immune support for cats13K/yr
- cat immune support supplement10K/yr
- cat immune booster4K/yr
- fiv cat supplement2K/yr
What reviews say buyers love and hate about Cat Immune Support
What buyers mention most, as a share of all reviews.
What buyers love
80% of reviews“My cat approved”
“My cat absolutely LOVES the taste”
“Excellent product”
“Strong flavor”
“Good Value”
What buyers complain about
62% of reviews“itching a lot”
“It's a little expensive”
“It does have a fishy smell”
“Causes vomiting”
“The one cat that loved the taste isn't even the cat that I needed this for”
Cat Immune Support return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
18%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Cat Immune Support questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









