muscle soak
Skip itSoft demand (-13.2% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Avg price
Good$13.82avg listing price — sweet spot $15–$100
Price range
Good$3.40–$36.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Okay$105K$105K/yr · 111K searches
Review moat
Bad5,933.61avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-13.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, muscle soak is a $105K/yr Amazon United States market (111K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 45/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
muscle soak market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $138K–$173K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #41
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 73 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
80
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
53%
Top 20: 96%
Open market
11%
- Dr Teal's64%
- Coach Soak8%
- Ancient Minerals7%
- Amazon Basics4%
- Muscle Rehab3%
- Calgon3%
- Open — no brand owns it (5 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -13.2% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 2.5×
Top muscle soak search terms
- bath soaks for women24K/yr
- muscle soak15K/yr
- dr teals epsom salts for muscle recovery8K/yr
- bath additives7K/yr
- epsom salt with arnica4K/yr
- sore muscle bath soak7K/yr
- muscle soak bath salts5K/yr
- arnica epsom salt3K/yr
- muscle relief bath soak4K/yr
- scented bath salts5K/yr
Top muscle soak 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dr Teals Arnica Body Relief Epsom Salt Magnesium Soak with Menthol & Essential Oils Muscle Recovery 3 lbs
Dr Teal's$5.884.8★1,626 rev
Dr Teals Epsom Salt Magnesium Soak Pre & Post Workout with Menthol & Essential Oils 3 lbs
Dr Teal's$5.744.8★1,338 rev
Coach Soak Recovery Bath Soak - Alternative to Epsom Salt Bath Soak - Fast-Absorbing Pure Magnesium Flakes & Dead Sea Salt with 21 Minerals Bath Salts & Essential Oils - 3 lb Calming Lavender
Coach Soak$25.084.6★5,532 rev
Dr Teals Epsom Salt Magnesium Soak Relax & Relief with Eucalyptus & Spearmint Essential Oils 3 lbs
Dr Teal's$5.864.8★10,576 rev
Dr Teals Epsom Salt Magnesium Soak Wellness Therapy with Rosemary & Mint 3 lbs
Dr Teal's$5.854.8★580 rev
Newest
by launch date
Dr Teals Epsom Salt Magnesium Soak Limited Edition Hawaiian Bliss 3 lbs
Dr Teal's$6.162,501 rev
Dr Teals Arnica Body Relief Epsom Salt Magnesium Soak with Menthol & Essential Oils Muscle Recovery 3 lbs
Dr Teal's$5.881,626 rev
Dr Teals Epsom Salt Magnesium Soak Vanilla Comfort 3 lbs
Dr Teal's$5.872,501 rev
Dr Teals Epsom Salt Magnesium Soak Restorative Minerals with Magnesium Potassium & Zinc 3 lbs
Dr Teal's$5.822,263 rev
Amazon Basics Epsom Salt Soak Unscented Magnesium Sulfate USP Muscle and Feet Relaxation Resealable Bag 3 Pound
Amazon Basics$3.4017,900 rev
Trending
90-day click momentumDr Teals Epsom Salt Magnesium Soak Limited Edition Hawaiian Bliss 3 lbs
Dr Teal's$6.164.7★
Bruizex Arnica Montana Bath Salts Epsom Salt Bath Soak for Lymphatic Drainage & Body Detox Magnesium Bath soak with Essential Oils Bath Salts for Pain Relief Swelling & Post Surgery -1 Lb
Bruizex$18.524.6★
Ancient Minerals Magnesium Bath Flakes Pure Zechstein Magnesium Chloride for Soaking and Whole-Body Replenishment 8 lb Bag
Ancient Minerals$28.294.8★
Aromasong Muscle Recovery Bath Soak with Dead Sea Salt OptiMSM Magnesium Flakes & Essential Oils for Post Workout Soreness - Made in USA - 14 oz. Bag Bath Salt for Pain Relief.
Aromasong$13.014.5★
Amazon Basics Epsom Salt Soak Unscented Magnesium Sulfate USP Muscle and Feet Relaxation Resealable Bag 3 Pound
Amazon Basics$3.404.8★
What buyers say about muscle soak
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing Scent”
“Excellent product with great results”
“Good Value”
“Exactly what I ordered”
“Thoughtful gift”
“Leaves skin soft”
“so comforting”
“Works pretty good”
“Easy to use”
“Really help you sleep well”
What buyers complain about
“Not Fragrance Free”
“Expensive”
“Bag looks small”
“Made me itch”
“the contents spilled out”
“Too strong”
“Hard as a ROCK”
“Garbage”
“Misleading”
“sometimes after a trip my body hurts”
Top return reasons
Common questions
- Is muscle soak profitable to sell on Amazon United States?
- The niche generates $105K/yr across 23 tracked products. 90-day search growth is -13.2%. Flapen's verdict: Skip it (45/100).
- How competitive is the muscle soak niche?
- 11 brands and 80 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in muscle soak?
- Top complaints mined from reviews: Smell, Value For Money, Size-Overall. The return rate is 0.2%.
- When does demand for muscle soak peak?
- Demand peaks in Jan–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the muscle soak niche?
- Listings span $3.40–$36.97; the average listing price is $13.82 (sweet spot $15–$100). The average incumbent carries 5,934 reviews — the moat a new listing must climb.