Best Selling Cat Immune Support: See Top Product Rankings by Sales Volume & Market Trends

July 2026
130 Products Tracked

Looking for the most popular cat immune support products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "cat immune support." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B001650OE0 currently leads the cat immune support market with 40K monthly sales, followed closely by B0C3NKNYLD with 10K monthly sales and B078955BY2 with 9K monthly sales. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales July 2026
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
1
B001650OE0
$30.99·
4.7
Units/sold40K
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)
2
B0C3NKNYLD
$15.99·
4.6
Units/sold10K
Fera Pets Organic Probiotics for Dogs & Cats with Prebiotics, 60 Scoops | USDA Organic Gut Health Powder Supplement with 12 Strains and 5 Billion CFUs for Immunity, Energy and Skin & Coat Health
3
B078955BY2
$29.95·
4.4
Units/sold9K
🚀Fastest Growing
by MoM sales growth
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
#1
B001650OE0
$30.99·
4.7
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
Units/sold
40K100.0%
Vetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness, Respiratory Health & Immune Strength - Flavored Oral Powder for Easy Feeding & Daily Use - 100 Grams
#2
B000FULBT4
$31.99·
4.6
Vetoquinol Viralys - Lysine Supplement for Cats & Kittens - Supports Eye Wellness, Respiratory Health & Immune Strength - Flavored Oral Powder for Easy Feeding & Daily Use - 100 Grams
Units/sold
5K100.0%

Top Selling Cat Immune Support

As of July 2026, we analyzed 130 tracked products in Amazon's "cat immune support" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 3,000 and 40,000 monthly sales. B001650OE0 leads the cat immune support market with an estimated 40,000 monthly sales, up 100.0% from the previous month.

130Products Tracked
9,300Top 10 Avg. Sales
$22.22Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea
#1
B001650OE0

Pro Plan Veterinary Diets FortiFlora Daily Probiotic Powder Supplement for Cats with Digestive Support and Immune System for Occasional Diarrhea

40,000
▲ 100.0%
Units Sold/mo
$30.99
Price
4.7
Rating
20.1K
Reviews
2
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)
B0C3NKNYLD
$15.99
4.6 (5.4K)
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)
10,000 Units Sold/mo▲ 11.1%
3
Fera Pets Organic Probiotics for Dogs & Cats with Prebiotics, 60 Scoops | USDA Organic Gut Health Powder Supplement with 12 Strains and 5 Billion CFUs for Immunity, Energy and Skin & Coat Health
B078955BY2
$29.95
4.4 (8.8K)
Fera Pets Organic Probiotics for Dogs & Cats with Prebiotics, 60 Scoops | USDA Organic Gut Health Powder Supplement with 12 Strains and 5 Billion CFUs for Immunity, Energy and Skin & Coat Health
9,000 Units Sold/mo▲ 80.0%
4
Cat Probiotics Crunchy Creamy Chews for Digestive Health - Cat Constipation + Occasional Diarrhea Relief - Daily Probiotics for Cats with Prebiotics Fiber Gut Flora Sensitive Stomach (30-Day Supply)
B0CBNJTGSJ
$15.99
4.6 (1.6K)
Cat Probiotics Crunchy Creamy Chews for Digestive Health - Cat Constipation + Occasional Diarrhea Relief - Daily Probiotics for Cats with Prebiotics Fiber Gut Flora Sensitive Stomach (30-Day Supply)
7,000 Units Sold/mo▲ 75.0%
5
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)
B0C2B7F597
$15.99
4.5 (2.5K)
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)
6,000 Units Sold/mo▲ 75.0%
10
Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack)
B00MO9SHBE
$17.09
4.4 (2.2K)
Felisyl L-Lysine Gel for Cats & Kittens (5oz) – Immune System, Respiratory & Eye Health Support. Reduces Sneezing, Runny Nose & Watery Eyes. Daily Salmon-Flavor Supplement – Made in USA (1 Pack)
3,000 Units Sold/mo▲ 50.0%
View All 130 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the cat immune support price landscape, we segmented all 130 tracked listings in Amazon's live "cat immune support" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $10.00 ~ $20.00 band is the category's best cat immune support price zone, absorbing 48% of the assortment (149 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the cat immune support category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 48% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
48%
149 products

Top products in this price tier

#1
B001650OE0
$30.99
40k Units Sold/mo
Unlock Top Performers
#2
$20.00 ~ $50.00
Tier 2
36%
114 products
$0.00 ~ $10.00
Tier 3
13%
41 products
$50.00 ~ $100.00
3%
Unlock to view all price tier distributions and their ASIN sales contributions

"Cat immune support" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "cat immune support" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-06-28 to 2026-07-04, the Amazon USweekly search volume for "cat immune support" was approximately 381 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #478,776, climbing 65,679 positions from the previous week. Additionally, the top 3 products for this keyword capture 32% of the total click share and 31.8% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

cat immune support

ASINSIGHT
Search Frequency Rank
478,776
65,679
Search Volume
381
14.4%
Top 3 Click Share
32%
Top 3 Conv. Share
31.8%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
381
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJun
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