Is quinine tablets for leg cramps profitable to sell on Amazon United States?

The niche generates $49K/yr across 15 tracked products. 90-day search growth is +17.2%. Flapen's verdict: Worth a look (55/100).

How competitive is the quinine tablets for leg cramps niche?

11 brands and 49 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in quinine tablets for leg cramps?

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

When does demand for quinine tablets for leg cramps peak?

Demand is steady year-round — the busiest month runs 1.6× the quietest.

What does it cost to enter the quinine tablets for leg cramps niche?

Listings span $9.83–$58.35; the average listing price is $27.82 (sweet spot $15–$100). The average incumbent carries 3,090 reviews — the moat a new listing must climb.

quinine tablets for leg cramps

Worth a look

Shows low returns (0.0%), but a small market ($49K/yr) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$27.82

avg listing price — sweet spot $15–$100

Conversion

Great11.1%

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

Price range

Great$9.83–$58.35

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Growth

Okay+17.2%

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

Brand share

Okay80%

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

Review moat

Okay3,090.33

avg incumbent reviews — the moat a new listing must climb

Competition

Okay67%

top-5 click share — leaders hold, buyers still browse

Market size

Bad$49K

$49K/yr · 16K searches

According to Flapen's Amazon United States niche tracking, quinine tablets for leg cramps is a $49K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 80% of demand. Verdict: Worth a look — 55/100.

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

quinine tablets for leg cramps market data

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $42K–$56K; units × avg price
Conversion rate: 11.1%
Avg BSR: #3,542
Page quality: 0%
Prime: 87%
Sponsored: 87%
Out of stock: 11.3%
Avg brand age: 81 months
Avg seller age: 176 days

Competition & brand share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

16%

FLORIDA HERBS30%
The Supermom Company22%
HERBALICIOUS17%
SIRUNES5%
Hyland's5%
BIO KRAUTER4%
Open — no brand owns it (5 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +17.2% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.6×

Open Trend

Top quinine tablets for leg cramps search terms

quinine capsules 1000mg10K/yr +6.1%11.5% conv.
quinine pills3K/yr +18.1%9.2% conv.
quinine capsules2K/yr +87.6%5.9% conv.

All search terms

Top quinine tablets for leg cramps 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

FLORIDA HERBS Quinine for Leg Cramps 1000 mg - 110 Capsules - Cinchona Bark Extract Supplement - Quinine Capsules - Vegan Non - GMO

FLORIDA HERBS$26.424.3★1,709 rev

The Supermom Company Quinine Cinchona Bark Extract 1000 mg Herbal Supplement for Muscle & Leg Cramp Relief Digestive Support & Immune Health 120 Capsules Non-GMO Made in USA

The Supermom Company$25.254.4★1,017 rev

HERBALICIOUS Quinine Capsules - Cinchona Officinalis Bark Herbal Supplement for Muscle Cramp Defense and Overall Digestive Health - All-Natural Quinine Sulfate Pills 500mg per Capsule 160 Tablets

HERBALICIOUS$31.434.5★2,473 rev

Leg Cramps Relief Quinine Capsules Natural Cinchona Bark Supplement for Cramp Defense & Digestive Health 500 mg Quinine Pills 120 Tablets Non-GMO Gluten-Free

SIRUNES$26.364.4★357 rev

Hylands Leg Cramps PM Relief of Nighttime Leg Calf and Foot Cramps 50 Quick-Dissolving Tablets

Hyland's$9.834.6★24,130 rev

Newest

by launch date

Florida Herbal Pharmacy Quinine Cinchona Dried Bark Extract Supplement Capsules 10:1 (120 Capsules) 500 mg per Capsule 1000 mg Serving (Pack of 1)

Florida Herbal Pharmacy$24.2630 rev

1y ago

FLORIDA HERBS Leg Cramp Support Organic Quinine Capsules from Cinchona Bark 1000 mg Vegan Supplement Muscle & Leg Cramp Relief Made in USA 330 Count (3 Bottles Total)

FLORIDA HERBS$58.351,709 rev

2y ago

CIVIMUNA Quinine Cinchona Bark Capsules with Quinine Cinchona Bark Pumpkin Seeds Spinach and More - 90 Capsules for 3 Months Supply

CIVIMUNA$19.1450 rev

3y ago

Clean Nutraceuticals Artemisinin Quercetin Zinc Mullein Quinine Supplement with Sea Moss Bromelain Ashwagandha Root Nettle Leaf Bladderwrack Burdock Root Monolaurin Colostrum Rutin

Clean Nutraceuticals$20.31866 rev

4y ago

Leg Cramps Relief Quinine Capsules Natural Cinchona Bark Supplement for Cramp Defense & Digestive Health 500 mg Quinine Pills 120 Tablets Non-GMO Gluten-Free

SIRUNES$26.36357 rev

5y ago

What buyers say about quinine tablets for leg cramps

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

What buyers love

Muscle Pain Relief23%

“Stops muscle cramps”

Joint Pain14%

“helps with my sjogren disease”

Quality-Overall13%

“all three together have been given great reviews”

Efficiency10%

“Very effective”

Sleep Quality6%

“Also helps me relax and fall asleep”

Advertised Vs Actual Product6%

“it is as advertised”

Value For Money5%

“Good value”

Vitamin2%

“This is a good supplement”

Ease Of Chewing/Swallowing2%

“easy to take because they dissolve almost instantly in your mouth”

Ease Of Use1%

“Very convenient”

What buyers complain about

Functionality-Overall27%

“Did not help at all”

Muscle Pain Relief14%

“Did not relieve leg muscle cramps at all for me”

Pain Relief-Overall8%

“I would scream out in PAIN”

Value For Money7%

“Waste of money”

Joint Pain4%

“Dont help with small or full on leg cramps”

Side Effects4%

“He told me definitely NOT to take these quinine tablets due to potentially triggering afib”

Dosage4%

“What it doesn't say is that each capsule is only 500mg”

Acid Regulator/Stomach Ache Relief2%

“Hard on my stomach”

Heart Health2%

“I guess people stopped using it because it can cause heart failure”

Sleep Quality2%

“Only side effect is that I sleep somewhat better”

Common questions

Is quinine tablets for leg cramps profitable to sell on Amazon United States?: The niche generates $49K/yr across 15 tracked products. 90-day search growth is +17.2%. Flapen's verdict: Worth a look (55/100).
How competitive is the quinine tablets for leg cramps niche?: 11 brands and 49 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in quinine tablets for leg cramps?: Top complaints mined from reviews: Functionality-Overall, Muscle Pain Relief, Pain Relief-Overall. The return rate is 0.0%.
When does demand for quinine tablets for leg cramps peak?: Demand is steady year-round — the busiest month runs 1.6× the quietest.
What does it cost to enter the quinine tablets for leg cramps niche?: Listings span $9.83–$58.35; the average listing price is $27.82 (sweet spot $15–$100). The average incumbent carries 3,090 reviews — the moat a new listing must climb.