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msm for horses

Skip it

A concentrated shelf (top 5 take 72% of clicks) — this niche doesn't clear our bar today.

Market size 30Growth 36Conversion 60Competition 23Returns 99Price range 48Avg price 95Brand share 29Review moat 75Quality gap 23

Returns

Incredible0.2%

return rate — above 6% kills the launch gate

Avg price

Incredible$43.43

avg listing price — sweet spot $15–$100

Review moat

Good511.07

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.3%

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

Price range

Okay$13.14–$189.69

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

Growth

Okay+8.9%

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

Market size

Okay$137K

$137K/yr · 60K searches

Brand share

Okay88%

top-5 brand share — brands hold most of the demand

Competition

Bad72%

top-5 click share — a locked-up shelf

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, msm for horses is a $137K/yr Amazon United States market (60K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jan. Verdict: Skip it — 45/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

msm for horses market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$174K–$217K
units × avg price
Launch success
0 of 0 new (360d)
Conversion rate
5.3%
Avg BSR
#305
Page quality
0%
Prime
86%
Sponsored
93%
Out of stock
4.2%
Avg brand age
123 months
Avg seller age
183 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

57

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

9%

  • ANIMED32%
  • Vita Flex27%
  • Select the Best21%
  • Finish Line4%
  • Best Naturals3%
  • Nutricost3%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.9% search growth over the last 90 days.
2K2KSpike '24Black Friday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.7×

Top msm for horses search terms

  • msm for horses36K/yr
  • msm powder for horses5K/yr
  • msm horse supplement5K/yr
  • msm horse4K/yr
  • animed msm for horses4K/yr
  • horse msm3K/yr
  • animed msm2K/yr
All search terms

Top msm for horses 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%$14K20%$27K30%$41K40%$55K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about msm for horses

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

What buyers love

Quality-Overall29%

“Excellent product”

Value For Money19%

“Great value”

Joint Pain6%

“has removed the knee pain that was bothering me at night for almost a year”

Ease Of Use6%

“Easy to use”

Solubility5%

“The powder dissolves quickly with no clumping”

Taste-Overall5%

“My horse likes the taste”

Advertised Vs Actual Product4%

“It works as expected”

Vitamin3%

“I was really excited about this supplement”

Comfort-Overall3%

“It keeps her comfortable and pain free”

Inflammation3%

“This is a great aid à an anti inflammatory My husband”

What buyers complain about

Taste-Overall25%

“Taste is HORRIBLE”

Leak-Proof22%

“spilled all over the shipping box”

Value For Money9%

“Very disappointing since the cost is high of item”

Contamination6%

“THERE WERE BUGS IN MINE”

Ease Of Use6%

“Difficult to open”

Allergies6%

“I felt a different in my skin after the first shower after adding this”

Size-Overall6%

“it is a super small quantity”

Flavor3%

“It barely has any flavor at all”

Top return reasons

Leak-Proof78%
Contamination7%
Ingredients-Overall3%
Defective Material/Parts3%
Advertised Vs Actual Product3%
Weight Heavy3%
Ease Of Cleaning2%

Common questions

Is msm for horses profitable to sell on Amazon United States?
The niche generates $137K/yr across 14 tracked products. 90-day search growth is +8.9%. Flapen's verdict: Skip it (45/100).
How competitive is the msm for horses niche?
10 brands and 57 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in msm for horses?
Top complaints mined from reviews: Taste-Overall, Leak-Proof, Value For Money. The return rate is 0.2%.
When does demand for msm for horses peak?
Demand peaks in Jan; the busiest month runs 1.7× the quietest.
What does it cost to enter the msm for horses niche?
Listings span $13.14–$189.69; the average listing price is $43.43 (sweet spot $15–$100). The average incumbent carries 511 reviews — the moat a new listing must climb.