heartgard plus chewables for dogs 1 to 25 lbs
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 6% kills the launch gate
Avg price
Great$57.49avg listing price — sweet spot $15–$100
Price range
Great$17.95–$128.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.5%search→purchase rate — share of searches ending in a sale
Market size
Okay$109K$109K/yr · 55K searches
Review moat
Okay3,893.33avg incumbent reviews — the moat a new listing must climb
Growth
Bad-7.2%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad89%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, heartgard plus chewables for dogs 1 to 25 lbs is a $109K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Skip it — 34/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
heartgard plus chewables for dogs 1 to 25 lbs market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $86K–$115K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 3.5%
- Avg BSR
- #3
- Page quality
- 0%
- Prime
- 11%
- Sponsored
- 78%
- Out of stock
- 0.0%
- Avg brand age
- 64 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
4
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- HEARTGARD79%
- TRI-HEART PLUS16%
- Nexgard3%
- PetArmor2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.2% search growth over the last 90 days.Peak months: Aug, Sep, Oct · busiest ÷ quietest = 3.2×
Top heartgard plus chewables for dogs 1 to 25 lbs search terms
- heartguard plus 51-100lbs dog heartworm chewable ivermectin/pyrantel39K/yr
- heartguard plus 25-50lbs dog heartworm chewable ivermectin/pyrantel16K/yr
- nextguard plus 51-100lbs dog heartworm chewable ivermectin/pyrantel264/yr
Top heartgard plus chewables for dogs 1 to 25 lbs products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51-100 lbs (Brown Box) 6 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$86.604.8★175 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51 -100 lbs (Brown Box) 1 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$17.954.8★84 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 12 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$128.074.8★149 rev

TRI-HEART PLUS Chewable Tablet for Dogs 51-100 lbs (Brown Box) 6 Chewable Tablets 6-Month Supply
TRI-HEART PLUS$51.054.8★334 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 6 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$73.074.8★149 rev
Newest
by launch date
HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 12 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$128.07149 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51 -100 lbs (Brown Box) 1 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$17.9584 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 6 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$73.07149 rev

NexGard Plus (afoxolaner moxidectin and pyrantel) Flea and Tick Protection & Heartworm Preventive for Dogs Soft Beef Flavored Chewables 33.1-66 lbs. (Purple) 1 Chew (1 Month Supply)
Nexgard$47.02133 rev

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs up to 25 lbs (Blue Box) 6 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$57.72401 rev
Trending
90-day click momentum
HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51 -100 lbs (Brown Box) 1 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$17.954.8★

NexGard Plus (afoxolaner moxidectin and pyrantel) Flea and Tick Protection & Heartworm Preventive for Dogs Soft Beef Flavored Chewables 33.1-66 lbs. (Purple) 1 Chew (1 Month Supply)
Nexgard$47.024.7★

TRI-HEART PLUS Chewable Tablet for Dogs 26-50 lbs (Green Box) 6 Chewable Tablets 6-Month Supply
TRI-HEART PLUS$37.684.8★

HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51-100 lbs (Brown Box) 6 Month Supply of Chews (Heartworm Disease Preventive)
HEARTGARD$86.604.8★

TRI-HEART PLUS Chewable Tablet for Dogs 51-100 lbs (Brown Box) 6 Chewable Tablets 6-Month Supply
TRI-HEART PLUS$51.054.8★
What buyers say about heartgard plus chewables for dogs 1 to 25 lbs
What buyers praise and complain about, mined from review topics.What buyers love
“Reasonable price”
“Great product and easy to purchase”
“As expected”
“Happy dog”
“easy to use”
“Solid and trustworthy”
“The chewable form is also a big plus—my dog takes it without much trouble”
“My past dogs loved the taste of”
“Works great and fast”
“THIS ITEM IS GOOD FOR MY DOG AND I DD NOT HAVE TO GO TO MY VET”
What buyers complain about
“Change the deceptive description on your box”
“Didnt work”
“My Shih Tzus always get an upset stomach - diarrhea”
“Allergic Reaction”
“A little to expensive”
“No email verification sent”
“Waste of money”
“Dog can't taste the discount”
“Same ingredients as Heartguard 1/2 the price”
“Not chewable”
Top return reasons
Common questions
- Is heartgard plus chewables for dogs 1 to 25 lbs profitable to sell on Amazon United States?
- The niche generates $109K/yr across 9 tracked products. 90-day search growth is -7.2%. Flapen's verdict: Skip it (34/100).
- How competitive is the heartgard plus chewables for dogs 1 to 25 lbs niche?
- 4 brands and 4 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in heartgard plus chewables for dogs 1 to 25 lbs?
- Top complaints mined from reviews: Advertised Vs Actual Product, Functionality-Overall, Indigestion. The return rate is 0.4%.
- When does demand for heartgard plus chewables for dogs 1 to 25 lbs peak?
- Demand peaks in Aug–Sep–Oct; the busiest month runs 3.2× the quietest.
- What does it cost to enter the heartgard plus chewables for dogs 1 to 25 lbs niche?
- Listings span $17.95–$128.07; the average listing price is $57.49 (sweet spot $15–$100). The average incumbent carries 3,893 reviews — the moat a new listing must climb.