Vitamin C for Dogs
FailShoppers spend an estimated $30K a year here, so Vitamin C for Dogs is a Fail.
- Flapen Score
- 42 / 100Ranks 3,174 of 3,978 Pet Supplies niches · −9 vs the category median of 5142
- Market size
- $30K/yr20K searches / yr
- 90-day growth
- -6.1%search demand this quarter
- Competition
- 77%top-5 click share · 11 brands · 30 sellers
Flapen Score
Vitamin C for Dogs against its category
The dotted line is the Pet Supplies average. Past it, Vitamin C for Dogs is stronger. Inside it, weaker.
Market
The Vitamin C for Dogs market on Amazon at a glance
Shoppers on Amazon United States searched for Vitamin C for Dogs 20K times last year and spent an estimated $30K. The top 5 brands take 82% of clicks. Flapen scores it 42 out of 100, a Fail.
01 · Demand
An estimated 6.0% of those searches ended in a purchase.
Shoppers searched for this 20K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 6.0% of those searches ended in a purchase. Searches in the last 90 days moved -6.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $30K a year.
- Searches, last 12 months
- 20K
- Growth, 90 days vs prior 90
- -6.1%
- Conversion, latest week
- 6.0%
- Market size, estimated
- $30Ka year
- Peak month
- October1.4× the quietest month
- Top search term
- vitamin c for dogs14K searches a year
02 · Price
A sale here is worth $24.84.
Listings sell for $24.84 on average, from $10.48 to $42.16. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $24.84 that is $2K to $6K a year per listing.
- Average price
- $24.84inside the $15 to $100 sweet spot
- Price range
- $10.48–$42.16
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$6K
- Returns
- 0.0%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, 6.3% of listings are out of stock. The average listing ranks #229 within Health Supplies. It carries 6,666 reviews at 4.48 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 6.3%
- Average rank
- #229in Health Supplies
- Average rating
- 4.48 starsAmazon United States average 4.42 stars
- Average reviews
- 6,666per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 81 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
- 81 months
Products
Top Vitamin C for Dogs 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 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Vitamin C for Dogs Helps Support Immune System Vitamin C Liquid Supplement Dog Immune Booster Bacon Flavored 2oz
- Price
- $16.88
- Rating
- 4.4/5
- Reviews
- 91
- Age
- 2y ago

Wholistic Pet Organics Vitamin C Powder for Dogs & Cats - Cat & Dog Allergy & Itch Relief - Vitamin C Immune Support Supplement - Itchy Skin Support for Seasonal Dog Allergy Relief - 2 oz - 57 Scoops
- Price
- $24.26
- Rating
- 4.5/5
- Reviews
- 857
- Age
- 15y ago

Nutrition Strength Vitamin C for Dogs to Support Cardiovascular Health Help Strengthen the Immune System Boost Free Radical Defenses and Sustain Collagen Synthesis 120 Chewable Tablets
- Price
- $40.63
- Rating
- 4.4/5
- Reviews
- 186
- Age
- 7y ago

Rx Vitamins Bio-C - Vitamin C for Dogs and Cats - with Lemon Bioflavonoids for Allergy Relief - Immune Support Supplement - Promotes Healthy Coat and Skin - Joint Supplement - 4 oz
- Price
- $17.86
- Rating
- 4.5/5
- Reviews
- 415
- Age
- 2y ago

Vitamin C for Dogs | Helps with Improving Immune Health | Vitamin C for Dogs Liquid | Dog Immune Support | Dog Immune and Allergy Supplement | Dog Immune Booster | 1 oz Bacon Flavor
- Price
- $16.73
- Rating
- 4.2/5
- Reviews
- 70
- Age
- 2y ago
Trending
estimated 90-day click momentum
American Health Ester-Vitamin C with Citrus Bioflavonoids 1Vitamin 000 Milligrams 180 Veg Tabs
- Price
- $28.08
- Rating
- 4.6/5
- Reviews
- 4,892
- Age
- 24y ago

Crystal-C by Dr. Goodpet | Buffered Vitamin C Powder for Dogs and Cats Ascorbate for Immune System Support Stress Defense Gum Care & Oral Health | Gentle for Digestion Natural Pet Supplement
- Price
- $10.48
- Rating
- 4.4/5
- Reviews
- 248
- Age
- 22y ago

Vitamin C for Dogs | Helps with Improving Immune Health | Vitamin C for Dogs Liquid | Dog Immune Support | Dog Immune and Allergy Supplement | Dog Immune Booster | 1 oz Bacon Flavor
- Price
- $16.73
- Rating
- 4.2/5
- Reviews
- 70
- Age
- 2y ago

10-in-1 Dog Multivitamin Supplement with Glucosamine & Probiotics - Hip & Joint Support Digestive Health Immune Support Heart & Skin - All-in-One Daily Vitamins & Omega-3s (Peanut Butter 90 ct)
- Price
- $31.14
- Rating
- 4.4/5
- Reviews
- 4,909
- Age
- 6y ago

American Health Ester-C with Citrus Bioflavonoids Capsules - Gentle On Stomach Non-Acidic Vitamin C - 500 mg 60 Servings 120 Count
- Price
- $13.11
- Rating
- 4.8/5
- Reviews
- 9,955
- Age
- 24y ago
Newest
by launch date
Vitamin C for Dogs Helps Support Immune System Vitamin C Liquid Supplement Dog Immune Booster Bacon Flavored 2oz
- Price
- $16.88
- Rating
- 4.4/5
- Reviews
- 91
- Age
- 2y ago

Rx Vitamins Bio-C - Vitamin C for Dogs and Cats - with Lemon Bioflavonoids for Allergy Relief - Immune Support Supplement - Promotes Healthy Coat and Skin - Joint Supplement - 4 oz
- Price
- $17.86
- Rating
- 4.5/5
- Reviews
- 415
- Age
- 2y ago

Vitamin C for Dogs | Helps with Improving Immune Health | Vitamin C for Dogs Liquid | Dog Immune Support | Dog Immune and Allergy Supplement | Dog Immune Booster | 1 oz Bacon Flavor
- Price
- $16.73
- Rating
- 4.2/5
- Reviews
- 70
- Age
- 2y ago

Wuffes 23-in-1 Dog Multivitamin Soft Chews Skin & Coat Immune + Gut Health Support - Vitamins & Minerals with Omega-3 Iron & Zinc for Puppies & Senior Dogs 30 Ct
- Price
- $37.70
- Rating
- 4.4/5
- Reviews
- 918
- Age
- 2y ago

10-in-1 Dog Multivitamin Supplement with Glucosamine & Probiotics - Hip & Joint Support Digestive Health Immune Support Heart & Skin - All-in-One Daily Vitamins & Omega-3s (Peanut Butter 90 ct)
- Price
- $31.14
- Rating
- 4.4/5
- Reviews
- 4,909
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 77% of clicks. A locked shelf that new listings rarely crack.
Brands
11 falling
Sellers
30
Est. top-5 brand share
82%
Top 20: 100%
Est. top-5 click share
77%
Top 20: 100%
Open market
12%
- Special Breed26%
- Wholistic Pet Organics25%
- Nutrition Strength15%
- Rx Vitamins9%
- iVitamins8%
- Dr. Goodpet7%
- Open — no brand owns it (5 brands, 12%)
Demand
Vitamin C for Dogs search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Vitamin C for Dogs search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin c for dogs14K/yr
- dog vitamin c4K/yr
- ester c for dogs2K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin C for Dogs
We read the reviews and the return reasons for every product selling here.
“Diarrhea and Vomiting”
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.
19 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 Vitamin C for Dogs 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









