---
title: "Heartgard Plus Chewables for Dogs 1 to 25 Lbs — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/heartgard-plus-chewables-for-dogs-1-to-25-lbs"
last_updated: "2026-07-21T17:18:59.575Z"
locale: en
meta:
description: "Niche score 34/100 · $109K/yr market · 55K searches/yr · $57.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $109K/yr market · 55K searches/yr · $57.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Heartgard Plus Chewables for Dogs 1 to 25 Lbs — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **heartgard plus chewables for dogs 1 to 25 lbs**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 21Conversion 43Competition 9Returns 98Price range 75Avg price 90Brand share 0Review moat 26Quality gap 14
**Returns**
**Incredible****0.4%**
return rate — above 6% kills the launch gate
**Avg price**
**Great****$57.49**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$17.95–$128.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****3.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$109K**
$109K/yr · 55K searches
**Review moat**
**Okay****3,893.33**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-7.2%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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.
7K5KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/heartgard-plus-chewables-for-dogs-1-to-25-lbs/trend)
## **Top heartgard plus chewables for dogs 1 to 25 lbs search terms**
- **heartguard plus 51-100lbs dog heartworm chewable ivermectin/pyrantel**39K/yr-0.8%2.9% conv. - **heartguard plus 25-50lbs dog heartworm chewable ivermectin/pyrantel**16K/yr-21.1%2.9% conv. - **nextguard plus 51-100lbs dog heartworm chewable ivermectin/pyrantel**264/yr-39.4%1.8% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/heartgard-plus-chewables-for-dogs-1-to-25-lbs/search-terms)
## **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.
0%10%$11K20%$22K30%$33K40%$44K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51-100 lbs (Brown Box) 6 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$86.60**4.8★175 rev](https://www.amazon.com/dp/B00487WDKQ) [2**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51 -100 lbs (Brown Box) 1 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$17.95**4.8★84 rev](https://www.amazon.com/dp/B0DYG484H7) [3**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 12 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$128.07**4.8★149 rev](https://www.amazon.com/dp/B0DYGK63LC) [4**TRI-HEART PLUS Chewable Tablet for Dogs 51-100 lbs (Brown Box) 6 Chewable Tablets 6-Month Supply**TRI-HEART PLUS**$51.05**4.8★334 rev](https://www.amazon.com/dp/B0DYBSQC65) [5**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 6 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$73.07**4.8★149 rev](https://www.amazon.com/dp/B005505TOW)
**~~View all top sellers →~~**
### **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**$128.07**149 rev1y ago](https://www.amazon.com/dp/B0DYGK63LC) [**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51 -100 lbs (Brown Box) 1 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$17.95**84 rev1y ago](https://www.amazon.com/dp/B0DYG484H7) [**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 26-50 lbs (Green Box) 6 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$73.07**149 rev1y ago](https://www.amazon.com/dp/B005505TOW) [**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**$47.02**133 rev1y ago](https://www.amazon.com/dp/B0DYKRS1XZ) [**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs up to 25 lbs (Blue Box) 6 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$57.72**401 rev1y ago](https://www.amazon.com/dp/B0080B193I)
**~~View all new products →~~**
### **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**$17.95**4.8★**▲ 166%**](https://www.amazon.com/dp/B0DYG484H7) [**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**$47.02**4.7★**▲ 65%**](https://www.amazon.com/dp/B0DYKRS1XZ) [**TRI-HEART PLUS Chewable Tablet for Dogs 26-50 lbs (Green Box) 6 Chewable Tablets 6-Month Supply**TRI-HEART PLUS**$37.68**4.8★**▲ 35%**](https://www.amazon.com/dp/B0DYVR619Y) [**HEARTGARD Plus (ivermectin/pyrantel) Real-Beef Chewables for Dogs 51-100 lbs (Brown Box) 6 Month Supply of Chews (Heartworm Disease Preventive)**HEARTGARD**$86.60**4.8★**— 3%**](https://www.amazon.com/dp/B00487WDKQ) [**TRI-HEART PLUS Chewable Tablet for Dogs 51-100 lbs (Brown Box) 6 Chewable Tablets 6-Month Supply**TRI-HEART PLUS**$51.05**4.8★**— 2%**](https://www.amazon.com/dp/B0DYBSQC65)
**~~View all trending →~~**
## **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 **
**Value For Money**28%
*“Reasonable price”*
**Quality-Overall**14%
*“Great product and easy to purchase”*
**Advertised Vs Actual Product**12%
*“As expected”*
**Pet Friendly**10%
*“Happy dog”*
**Ease Of Use**9%
*“easy to use”*
**Strength**5%
*“Solid and trustworthy”*
**Ease Of Chewing/Swallowing**4%
*“The chewable form is also a big plus—my dog takes it without much trouble”*
**Taste-Overall**4%
*“My past dogs loved the taste of”*
**Time Taken**2%
*“Works great and fast”*
**Functionality-Overall**2%
*“THIS ITEM IS GOOD FOR MY DOG AND I DD NOT HAVE TO GO TO MY VET”*
### **What buyers complain about **
**Advertised Vs Actual Product**18%
*“Change the deceptive description on your box”*
**Functionality-Overall**18%
*“Didnt work”*
**Indigestion**15%
*“My Shih Tzus always get an upset stomach - diarrhea”*
**Allergies**9%
*“Allergic Reaction”*
**Value For Money**6%
*“A little to expensive”*
**Certifications**6%
*“No email verification sent”*
**Natural Resource Wastage**6%
*“Waste of money”*
**Taste-Overall**6%
*“Dog can't taste the discount”*
**Ingredients-Overall**6%
*“Same ingredients as Heartguard 1/2 the price”*
**Ease Of Use**3%
*“Not chewable”*
### **Top return reasons **
**Size-Overall**28%
**Value For Money**14%
**Advertised Vs Actual Product**13%
**Functionality-Overall**13%
**Instructions/User Manual/Troubleshooting**4%
**Leak-Proof**4%
**Defective Material/Parts**4%
**Certifications**4%
**Ease Of Chewing/Swallowing**4%
**Escape Proof**2%
## **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.
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