Is calm legs profitable to sell on Amazon United States?

The niche generates $107K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -39.7%. Flapen's verdict: Skip it (47/100).

How competitive is the calm legs niche?

8 brands and 75 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 90% of demand.

What do buyers complain about in calm legs?

Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Pain Relief-Overall. The return rate is 0.0%.

When does demand for calm legs peak?

Demand peaks in Jan–Aug; the busiest month runs 3.4× the quietest.

What does it cost to enter the calm legs niche?

Listings span $8.30–$54.74; the average listing price is $23.78 (sweet spot $15–$100). The average incumbent carries 5,915 reviews — the moat a new listing must climb.

calm legs

Skip it

Soft demand (-39.7% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.4%

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

Avg price

Incredible$23.78

avg listing price — sweet spot $15–$100

Price range

Great$8.30–$54.74

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Market size

Okay$107K

$107K/yr · 34K searches

Brand share

Okay90%

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

Review moat

Bad5,915.22

avg incumbent reviews — the moat a new listing must climb

Competition

Bad87%

top-5 click share — a locked-up shelf

Growth

Bad-39.7%

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

According to Flapen's Amazon United States niche tracking, calm legs is a $107K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jan–Aug. Verdict: Skip it — 47/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

calm legs market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $71K–$95K; units × avg price
Conversion rate: 13.4%
Avg BSR: #1,476
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.5%
Avg brand age: 78 months
Avg seller age: 161 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

Calm Legs50%
Hyland's14%
Real Science Nutrition11%
MagniLife9%
Thinbi5%
Approved Science4%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 95 weeks — -39.7% search growth over the last 90 days.

Peak months: Jan, Aug · busiest ÷ quietest = 3.4×

Open Trend

Top calm legs search terms

seratame for restless leg syndrome19K/yr -51.4%3.8% conv.
calm legs6K/yr +15.6%23.9% conv.
calm legs for restless leg syndrome4K/yr -40.4%26.1% conv.
seratame for restless legs4K/yr -43.5%2.2% conv.

All search terms

Top calm legs 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 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Calm Legs Natural for Natural Itching Crawling Tingling and Agitated Leg with Iron Magnesium and Valerian Root (60 Tablets)

Calm Legs$19.654.0★1,625 rev

Hylands Restful Legs PM Nighttime Formula Calms Agitated Legs so You Can Sleep 50 Quick Dissolving Tablets

Hyland's$8.944.3★12,308 rev

Real Science LegEase Miracle All Natural Restless Legs Syndrome Relief & Leg Cramp Supplement with Vitamins C D K B6 B12 + Nitric Oxide Support Sleep & Circulation Aid Made in USA 60 Caps

Real Science Nutrition$34.764.1★184 rev

MagniLife Relaxing Legs Sublingual Tablets 125 Count Quick-Dissolving Homeopathic Pain Reliever & Nighttime Sleep Aid Helps Calm Restless Legs Discomfort & Sleepless Tossing

MagniLife$19.954.3★8,265 rev

Magnesium Glycinate 1160mg + Aloe Vera D3 & K2 Complex 90 Capsules - High Absorption Non-Laxative - Supports Muscle Function & Healthy Metabolism Chelated Formula

Thinbi$24.504.6★1,373 rev

Newest

by launch date

Jkrova Restless Legs Syndrome Relief Capsules (90 Capsules) Calms Agitated Legs Restful Sleep & Muscle Relaxation Natural Formula

Jkrova$29.4025 rev

11mo ago

Real Science LegEase Miracle All Natural Restless Legs Syndrome Relief & Leg Cramp Supplement with Vitamins C D K B6 B12 + Nitric Oxide Support Sleep & Circulation Aid Made in USA 60 Caps

Real Science Nutrition$34.76184 rev

1y ago

Magnesium Glycinate 1160mg + Aloe Vera D3 & K2 Complex 90 Capsules - High Absorption Non-Laxative - Supports Muscle Function & Healthy Metabolism Chelated Formula

Thinbi$24.501,373 rev

1y ago

Calm Legs Natural for Natural Itching Crawling Tingling and Agitated Leg with Iron Magnesium and Valerian Root (60 Tablets)

Calm Legs$19.651,625 rev

4y ago

Approved Science Restlex for Restless Legs Magnesium Glycinate for Calm Legs and Restful Legs Natural Itching Crawling and Tingling in Feet and Legs - Calm Restful Sleep Support - 1 Month

Approved Science$54.74266 rev

5y ago

What buyers say about calm legs

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

What buyers love

Sleep Quality17%

“my sleep quality has improved”

Efficiency12%

“Works fast”

Quality-Overall10%

“This is the highest-quality fish oil Ive used”

Joint Pain6%

“It really supports joint health”

Value For Money5%

“Good value”

Muscle Pain Relief5%

“Works really good helps my legs a lot”

Inflammation4%

“Inflammation relief”

Advertised Vs Actual Product4%

“Worked as advertised”

Vitamin4%

“Perfect supplement”

Ease Of Use2%

“The capsules are convenient”

What buyers complain about

Functionality-Overall30%

“This was not effective”

Sleep Quality6%

“I dont sleep good at all”

Pain Relief-Overall5%

“Maybe not for intense pain”

Value For Money4%

“Waste of Money”

Muscle Pain Relief3%

“These tablets work not at all for cramps or restless leg”

Dosage3%

“just at a lower dosage”

Side Effects3%

“Severe side effects with these miracle magic pills”

Ingredients-Overall2%

“But main ingredient is Arsenic”

Comfort-Overall2%

“cannot get comfortable in bed”

Solubility2%

“did NOT dissolve”

Top return reasons

Value For Money40%

Hard Feel20%

Functionality-Overall20%

Magnesium20%

Common questions

Is calm legs profitable to sell on Amazon United States?: The niche generates $107K/yr across 9 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -39.7%. Flapen's verdict: Skip it (47/100).
How competitive is the calm legs niche?: 8 brands and 75 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 90% of demand.
What do buyers complain about in calm legs?: Top complaints mined from reviews: Functionality-Overall, Sleep Quality, Pain Relief-Overall. The return rate is 0.0%.
When does demand for calm legs peak?: Demand peaks in Jan–Aug; the busiest month runs 3.4× the quietest.
What does it cost to enter the calm legs niche?: Listings span $8.30–$54.74; the average listing price is $23.78 (sweet spot $15–$100). The average incumbent carries 5,915 reviews — the moat a new listing must climb.