---
title: "Horse Weight Gain Supplement — $138K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/horse-weight-gain-supplement"
last_updated: "2026-07-21T17:41:07.859Z"
locale: en
meta:
  description: "Niche score 46/100 · $138K/yr market · 40K searches/yr · $44.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 46/100 · $138K/yr market · 40K searches/yr · $44.88 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Horse Weight Gain Supplement — $138K/yr Amazon US Niche (2026) - Flapen"
---

# **horse weight gain supplement**

**Skip it**

Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 30Growth 43Conversion 78Competition 8Returns 100Price range 95Avg price 95Brand share 6Review moat 75Quality gap 22

**Returns**

**Incredible****0.1%**

return rate — above 6% kills the launch gate

**Avg price**

**Incredible****$44.88**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$27.58–$61.72**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Conversion**

**Great****7.7%**

search→purchase rate — share of searches ending in a sale

**Review moat**

**Great****493.25**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Okay****+14.4%**

90-day search growth — must beat 0% to launch

**Market size**

**Okay****$138K**

$138K/yr · 40K searches

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****91%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, horse weight gain supplement is a $138K/yr Amazon United States market (40K searches/yr). The top 5 brands hold 98% of demand. Verdict: Skip it — 46/100.

Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **horse weight gain supplement market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–4K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$135K–$180K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**—**</dd><dd>0 of 0 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**7.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#58**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**75%**</dd>

<dt>**Sponsored**</dt><dd>**63%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**106 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 91% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**6 **▼falling

**Sellers**

**37**

**Top-5 brand share**

**98%**

Top 20: 100%

**Top-5 click share**

**91%**

Top 20: 100%

**Open market**

**0%**

- Manna Pro65% - Horse Guard12% - Formula 70710% - Farnam8% - Start to Finish3% - dac Vitamins and Minerals2% - Open — no brand owns it (0%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +14.4% search growth over the last 90 days.

900700Spike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.8×

[**Open Trend **](https://flapen.com/research/us/pet-supplies/horse-weight-gain-supplement/trend)

## **Top horse weight gain supplement search terms**

- **horse weight gain supplement**9K/yr+44.9%4.8% conv. - **cool calories for horses**8K/yr+21.5%17.4% conv. - **rice bran for horses**5K/yr+16.6%0.9% conv. - **weight builder for horses**4K/yr+12.3%6.3% conv. - **super weight gain for horses**4K/yr+42.8%4.2% conv. - **weight gain for horses**4K/yr-2.6%4.9% conv. - **cool calories**2K/yr-8.3%18.4% conv. - **horse weight gain**3K/yr-45.6%4.9% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/horse-weight-gain-supplement/search-terms)

## **Top horse weight gain supplement 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%15%$21K30%$41K45%$62K60%$83K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Manna Pro Cool Calories 100 High-Calorie Dry Fat Supplement for Horses Supports Healthy Weight Gain Body Condition and Performance Equine Weight Gain Formula 8 lb Bag](https://m.media-amazon.com/images/I/51AC04Z7EtL.jpg)**Manna Pro Cool Calories 100 High-Calorie Dry Fat Supplement for Horses Supports Healthy Weight Gain Body Condition and Performance Equine Weight Gain Formula 8 lb Bag**Manna Pro**$30.30**4.6★784 rev](https://www.amazon.com/dp/B000HHLNQQ) [2![Manna Pro Weight Accelerator for Senior Horses Weight Gain and Muscle Support Supplement with Omega 3 Fatty Acids and Flaxseed High-Calorie Feed Topper for Horses 8 lb Bag](https://m.media-amazon.com/images/I/41B3oxA+hRL.jpg)**Manna Pro Weight Accelerator for Senior Horses Weight Gain and Muscle Support Supplement with Omega 3 Fatty Acids and Flaxseed High-Calorie Feed Topper for Horses 8 lb Bag**Manna Pro**$27.58**4.7★1,973 rev](https://www.amazon.com/dp/B00QRYPUAS) [3![Horse Guard Super Weight Gain 10 lb 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy Probiotics & Vitamins Supports Digestion Coat & Muscle Health 20 Servings](https://m.media-amazon.com/images/I/510BJkG5anL.jpg)**Horse Guard Super Weight Gain 10 lb 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy Probiotics & Vitamins Supports Digestion Coat & Muscle Health 20 Servings**Horse Guard**$57.42**4.6★472 rev](https://www.amazon.com/dp/B00ZPVEHUI) [4![Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply](https://m.media-amazon.com/images/I/41yxAL8D-AL.jpg)**Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply**Farnam**$46.47**4.7★363 rev](https://www.amazon.com/dp/B07VNJBXB8) [5![Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses](https://m.media-amazon.com/images/I/41H1HtGyzyL.jpg)**Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses**Formula 707**$40.78**4.6★128 rev](https://www.amazon.com/dp/B01AE0CRV0)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply](https://m.media-amazon.com/images/I/41yxAL8D-AL.jpg)**Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply**Farnam**$46.47**363 rev6y ago](https://www.amazon.com/dp/B07VNJBXB8) [![Formula 707 Weight Gain Equine Supplement Daily Fresh Packs 28 Day Supply - Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses](https://m.media-amazon.com/images/I/41t9YtdC2PL.jpg)**Formula 707 Weight Gain Equine Supplement Daily Fresh Packs 28 Day Supply - Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses**Formula 707**$42.89**90 rev9y ago](https://www.amazon.com/dp/B0725K88W8) [![DAC Oil Gallon Jug Horse Weight Gain Calorie Fat Fatty Acid Coat Skin Health Supplement](https://m.media-amazon.com/images/I/414mk4mKLmL.jpg)**DAC Oil Gallon Jug Horse Weight Gain Calorie Fat Fatty Acid Coat Skin Health Supplement**dac Vitamins and Minerals**$51.92**132 rev9y ago](https://www.amazon.com/dp/B07SKBSKD3) [![Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses](https://m.media-amazon.com/images/I/41H1HtGyzyL.jpg)**Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses**Formula 707**$40.78**128 rev9y ago](https://www.amazon.com/dp/B01AE0CRV0) [![Horse Guard Super Weight Gain 10 lb 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy Probiotics & Vitamins Supports Digestion Coat & Muscle Health 20 Servings](https://m.media-amazon.com/images/I/510BJkG5anL.jpg)**Horse Guard Super Weight Gain 10 lb 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy Probiotics & Vitamins Supports Digestion Coat & Muscle Health 20 Servings**Horse Guard**$57.42**472 rev11y ago](https://www.amazon.com/dp/B00ZPVEHUI)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![COOL CALORIES100 8#](https://m.media-amazon.com/images/I/51tIFYVApXL.jpg)**COOL CALORIES100 8#**Start to Finish**$61.72**4.6★**▲ 93%**](https://www.amazon.com/dp/B01M8LK59D) [![Formula 707 Weight Gain Equine Supplement Daily Fresh Packs 28 Day Supply - Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses](https://m.media-amazon.com/images/I/41t9YtdC2PL.jpg)**Formula 707 Weight Gain Equine Supplement Daily Fresh Packs 28 Day Supply - Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses**Formula 707**$42.89**4.5★**▲ 28%**](https://www.amazon.com/dp/B0725K88W8) [![DAC Oil Gallon Jug Horse Weight Gain Calorie Fat Fatty Acid Coat Skin Health Supplement](https://m.media-amazon.com/images/I/414mk4mKLmL.jpg)**DAC Oil Gallon Jug Horse Weight Gain Calorie Fat Fatty Acid Coat Skin Health Supplement**dac Vitamins and Minerals**$51.92**4.9★**▲ 21%**](https://www.amazon.com/dp/B07SKBSKD3) [![Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply](https://m.media-amazon.com/images/I/41yxAL8D-AL.jpg)**Farnam Weight Builder Weight Support Supplement for Horses Helps Maintain Optimal Body Condition 7.5 lb 30 Day Supply**Farnam**$46.47**4.7★**— 8%**](https://www.amazon.com/dp/B07VNJBXB8) [![Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses](https://m.media-amazon.com/images/I/41H1HtGyzyL.jpg)**Formula 707 Weight Gain Crumble Equine Supplement 7 lb Bag Palatable Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses**Formula 707**$40.78**4.6★**— 4%**](https://www.amazon.com/dp/B01AE0CRV0)

**~~View all trending →~~**

## **What buyers say about horse weight gain supplement**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**36%

*“the fact that I can get it on Amazon cheaper is a plus”*

**Quality-Overall**18%

*“Great Product”*

**Brightness/Shine/Glow**7%

*“shines so bright”*

**Advertised Vs Actual Product**7%

*“They work as they should”*

**Weight Light**7%

*“He is now in great weight”*

**Flavor**7%

*“she likes the flavor”*

**Pet Friendly**7%

*“My horses love this”*

**Ease Of Use**4%

*“this is super easy to add to his feed”*

**Smell**4%

*“The smell is nice”*

### **What buyers complain about **

**Value For Money**75%

*“Somewhat expensive”*

## **Common questions**

<dl>

<dt>**Is horse weight gain supplement profitable to sell on Amazon United States?**</dt><dd>The niche generates $138K/yr across 8 tracked products. 90-day search growth is +14.4%. Flapen's verdict: Skip it (46/100).</dd>

<dt>**How competitive is the horse weight gain supplement niche?**</dt><dd>6 brands and 37 sellers compete. The top 5 products take 91% of clicks and top 5 brands hold 98% of demand.</dd>

<dt>**What do buyers complain about in horse weight gain supplement?**</dt><dd>Top complaints mined from reviews: Value For Money. The return rate is 0.1%.</dd>

<dt>**When does demand for horse weight gain supplement peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.8× the quietest.</dd>

<dt>**What does it cost to enter the horse weight gain supplement niche?**</dt><dd>Listings span $27.58–$61.72; the average listing price is $44.88 (sweet spot $15–$100). The average incumbent carries 493 reviews — the moat a new listing must climb.</dd>

</dl>

## **Related niches in Pet Supplies**

- 73 [**phosphate test kit**](https://flapen.com/research/us/pet-supplies/phosphate-test-kit)$194K/yr+152.5%**Worth a look**- 73 [**flea repellent for dogs**](https://flapen.com/research/us/pet-supplies/flea-repellent-for-dogs)$1.7M/yr+136.7%**Launch it**- 73 [**kitten bottles for nursing**](https://flapen.com/research/us/pet-supplies/kitten-bottles-for-nursing)$457K/yr+166.2%**Worth a look**- 73 [**dog stake**](https://flapen.com/research/us/pet-supplies/dog-stake)$573K/yr+55.9%**Worth a look**- 73 [**bully sticks**](https://flapen.com/research/us/pet-supplies/bully-sticks)$12.4M/yr-6.9%**Worth a look**- 73 [**pet oral tartar remover spray**](https://flapen.com/research/us/pet-supplies/pet-oral-tartar-remover-spray)$100K/yr>1,000%**Worth a look**[**All Pet Supplies niches **](https://flapen.com/research/us/pet-supplies)