Is sore muscles profitable to sell on Amazon United States?

The niche generates $4.6M/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +12.2%. Flapen's verdict: Skip it (49/100).

How competitive is the sore muscles niche?

2 brands and 571 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sore muscles?

Top complaints mined from reviews: Functionality-Overall, Pain Relief-Overall, Allergies. The return rate is 0.1%.

When does demand for sore muscles peak?

Demand peaks in Aug; the busiest month runs 1.8× the quietest.

What does it cost to enter the sore muscles niche?

Listings span $6.48–$19.92; the average listing price is $12.01 (sweet spot $15–$100). The average incumbent carries 21,191 reviews — the moat a new listing must climb.

sore muscles

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible17.4%

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

Market size

Incredible$4.6M

$4.6M/yr · 2.2M searches

Avg price

Good$12.01

avg listing price — sweet spot $15–$100

Growth

Okay+12.2%

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

Price range

Okay$6.48–$19.92

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad21,191

avg incumbent reviews — the moat a new listing must climb

Competition

Bad94%

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, sore muscles is a $4.6M/yr Amazon United States market (2.2M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 49/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

sore muscles market data

Units sold / yr: 400K–500K; avg 50,000–60,000/product
Revenue / yr: $4.8M–$6.0M; units × avg price
Conversion rate: 17.4%
Avg BSR: #137
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 65 months
Avg seller age: 146 days

Competition & brand share

The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 flat

Sellers

571

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

94%

Top 20: 100%

Open market

Boiron83%
VitaMedica17%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +12.2% search growth over the last 90 days.

Peak months: Aug · busiest ÷ quietest = 1.8×

Open Trend

Top sore muscles search terms

arnica gel1.1M/yr +15.1%14.6% conv.
arnicare gel pain relief392K/yr -3.5%15.3% conv.
arnicare bruise gel225K/yr +14.9%15.6% conv.
arnicare bruise gel extra strength51K/yr +194.4%17.7% conv.
arnicare123K/yr +2.1%12.0% conv.
arnicare gel44K/yr +10.3%18.0% conv.
arnica gel for bruising53K/yr -32.5%13.4% conv.
arnica gel topical19K/yr +19.4%18.0% conv.
boiron arnicare gel22K/yr +18.6%14.3% conv.
arnica gel pain relief15K/yr +58.0%10.5% conv.

All search terms

Top sore muscles 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.

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

All 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Boiron Arnicare Gel for Relief of Joint Pain Muscle Pain Muscle Soreness and Swelling from Bruises or Injury - Non-greasy and Fragrance-Free - 2.6 oz

Boiron$8.364.6★57,856 rev

VitaMedica Arnica Gel Plus 15 Healing Plant Compounds Extra Strength Formula for Bruising All-Natural Plant-Based Topical Gel

VitaMedica$19.924.6★3,268 rev

Boiron Arnicare Gel for Relief of Joint Pain Muscle Pain Muscle Soreness and Swelling from Bruises or Injury - Non-greasy and Fragrance-Free - 4.2 oz

Boiron$13.224.6★57,856 rev

Boiron Arnicare Bruise Cream for Pain Relief from Bruising and Swelling or Discoloration from Injury - 1.4 oz

Boiron$7.484.6★6,974 rev

Boiron Arnicare Cream for Joint Pain Muscle Pain Swelling Soreness Stiffness and Bruises - Fast Absorbing and Fragrance-Free - 4.2 oz

Boiron$13.144.6★17,524 rev

Newest

by launch date

Boiron Arnicare Bruise Gel for Bruise Relief - 4.2 oz

Boiron$15.44283 rev

8mo ago

VitaMedica Arnica Gel Plus 15 Healing Plant Compounds Extra Strength Formula for Bruising All-Natural Plant-Based Topical Gel

VitaMedica$19.923,268 rev

3y ago

Boiron Arnicare Bruise Cream for Pain Relief from Bruising and Swelling or Discoloration from Injury - 1.4 oz

Boiron$7.486,974 rev

4y ago

Boiron Arnicare Cream for Joint Pain Muscle Pain Swelling Soreness Stiffness and Bruises - Fast Absorbing and Fragrance-Free - 4.2 oz

Boiron$13.1417,524 rev

7y ago

Boiron Arnicare Bruise Gel for Relief of Pain Inflammation or Swelling Soreness and Discoloration - Non-greasy and Fragrance-Free - 1.5 oz

Boiron$6.484,576 rev

10y ago

What buyers say about sore muscles

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

What buyers love

Efficiency18%

“Works well”

Quality-Overall16%

“Great cream”

Joint Pain9%

“It works wonderfully to ease joint discomfort”

Inflammation6%

“Natural pain and inflammation remedy”

Value For Money5%

“Reasonably priced”

Muscle Pain Relief4%

“Great on sore muscles”

Smell4%

“Smells pleasant”

Advertised Vs Actual Product4%

“Works like advertised”

Ease Of Use3%

“Easy to use”

Absorbency3%

“seems to help it absorb”

What buyers complain about

Functionality-Overall21%

“DIDN'T WORK FOR ME”

Pain Relief-Overall16%

“Didnt provide a lot of pain, relief”

Allergies7%

“some skin irritation”

Smell6%

“Smells terrible”

Joint Pain4%

“still have no relief from joint pain in my feet”

Value For Money4%

“Not worth the money”

Ingredients-Overall3%

“Ingredients are different”

Inflammation3%

“not only did it keep the swelling down”

Sensitivity-Overall3%

“Burns a bit when used around eyes”

Color3%

“purple colors were faded”

Top return reasons

Functionality-Overall33%

Advertised Vs Actual Product12%

Joint Pain9%

Value For Money7%

Leak-Proof6%

Size-Overall4%

Texture/Consistency-Overall3%

Pain Relief-Overall3%

Moist/Dry3%

Smell2%

Common questions

Is sore muscles profitable to sell on Amazon United States?: The niche generates $4.6M/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +12.2%. Flapen's verdict: Skip it (49/100).
How competitive is the sore muscles niche?: 2 brands and 571 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sore muscles?: Top complaints mined from reviews: Functionality-Overall, Pain Relief-Overall, Allergies. The return rate is 0.1%.
When does demand for sore muscles peak?: Demand peaks in Aug; the busiest month runs 1.8× the quietest.
What does it cost to enter the sore muscles niche?: Listings span $6.48–$19.92; the average listing price is $12.01 (sweet spot $15–$100). The average incumbent carries 21,191 reviews — the moat a new listing must climb.