Is khelp acid reflux capsules profitable to sell on Amazon United States?

The niche generates $202K/yr across 5 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.3%. Flapen's verdict: Skip it (49/100).

How competitive is the khelp acid reflux capsules niche?

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

What do buyers complain about in khelp acid reflux capsules?

Top complaints mined from reviews: Functionality-Overall, Regulates Digestion, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.

What does it cost to enter the khelp acid reflux capsules niche?

Listings span $29.77–$53.27; the average listing price is $36.20 (sweet spot $15–$100). The average incumbent carries 643 reviews — the moat a new listing must climb.

Khelp Acid Reflux Capsules

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$36.20

avg listing price — sweet spot $15–$100

Price range

Incredible$29.77–$53.27

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great8.1%

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

Review moat

Good642.6

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$202K

$202K/yr · 69K searches

Growth

Bad-8.3%

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

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

Is khelp acid reflux capsules profitable on Amazon?

According to Flapen's Amazon United States niche tracking, khelp acid reflux capsules is a $202K/yr Amazon United States market (69K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.

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

khelp acid reflux capsules market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $109K–$145K; units × avg price
Conversion rate: 8.1%
Avg BSR: #72
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 90 months
Avg seller age: 154 days

Competition: brands, sellers & click share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

HartSpan76%
RefluxRaft9%
Nutritist9%
REFLUX GOURMET5%

khelp acid reflux capsules demand & seasonality

Weekly Amazon search volume, last 36 weeks — -8.3% search growth over the last 90 days.

Open Trend

Top khelp acid reflux capsules search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

lpr13K/yr +10.1%0.3% conv.
khelp acid reflux capsules17K/yr +5.2%13.6% conv.
khelp13K/yr +1.2%11.9% conv.
silent reflux supplement4K/yr +38.2%0.4% conv.
throat repair from acid reflux8K/yr -48.7%0.2% conv.
acid reflux throat relief3K/yr +2.4%0.3% conv.
khelp all-natural reflux solution3K/yr -41.2%9.5% conv.
kindflux3K/yr -64.7%1.6% conv.
kiss my acid goodbye3K/yr -51.4%0.0% conv.
khelp acid reflux2K/yr -1.2%7.1% conv.

All search terms

Top khelp acid reflux capsules products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

HartSpan Khelp All-Natural Reflux Support Premium Alginate Supplement | GERD Heartburn LPR & Acid Reflux | Drug-Free Designed for Daily Use | No Dyes or Flavors | 60 Vegan Capsules

HartSpan$53.274.0★129 rev

Refluxter Sodium Alginate Capsules 1000+ mg for Acid Reflux LPR & GERD

Nutritist$29.774.2★464 rev

RefluxRaft Acid Reflux Therapy with Organic Alginate Rapid & Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Lemon Ginger 60 Gel Servings 10 OZ Bottle

RefluxRaft$32.734.0★828 rev

REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack

REFLUX GOURMET$32.294.3★1,245 rev

RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle

RefluxRaft$32.954.1★547 rev

Newest

by launch date

HartSpan Khelp All-Natural Reflux Support Premium Alginate Supplement | GERD Heartburn LPR & Acid Reflux | Drug-Free Designed for Daily Use | No Dyes or Flavors | 60 Vegan Capsules

HartSpan$53.27129 rev

8mo ago

Refluxter Sodium Alginate Capsules 1000+ mg for Acid Reflux LPR & GERD

Nutritist$29.77464 rev

2y ago

RefluxRaft Acid Reflux Therapy with Organic Alginate Rapid & Long Lasting Gerd LPR & Digestion Symptom Support Zero Sugar Gluten Free Low Sodium Lemon Ginger 60 Gel Servings 10 OZ Bottle

RefluxRaft$32.73828 rev

3y ago

RefluxRaft Acid Reflux Therapy with Organic Alginate Pregnancy Safe Fast & Long-Lasting GERD & LPR Support Zero Sugar Gluten-Free Low Sodium Berry Burst 60 Gel Servings 10 OZ Bottle

RefluxRaft$32.95547 rev

3y ago

REFLUX GOURMET Mint Chocolate & Vanilla Caramel Rescue Alginate Complex Digestive Support Formula Single Serve 25 Pack

REFLUX GOURMET$32.291,245 rev

6y ago

What reviews say buyers love and hate about khelp acid reflux capsules

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

What buyers love

Regulates Digestion15%

“It helps my reflux”

Acid Regulator/Stomach Ache Relief11%

“Seriously helps keep the symptoms of acid reflux down”

Taste-Overall8%

“Good taste”

Efficiency7%

“Works ok”

Quality-Overall6%

“and read a long positive review”

Sleep Quality4%

“I sleep well throughout the night”

Ease Of Use4%

“I try to keep it handy”

Heart Health4%

“It helps my heartburn”

Natural Ingredients3%

“Natural ingredients”

Flavor3%

“Good flavor choices”

What buyers complain about

Functionality-Overall11%

“Did not work”

Regulates Digestion11%

“Makes my reflux worse”

Acid Regulator/Stomach Ache Relief9%

“After I took it it made me vomit”

Taste-Overall9%

“I did not like the taste”

Value For Money6%

“Pretty expensive”

Heart Health5%

“my heart was constantly fluttering”

Side Effects3%

“made me nauseous”

Flavor3%

“I dont like the berry flavor”

Dosage2%

“Not a typical medicine”

Dilute/Watery2%

“Its watery”

Top return reasons

Value For Money100%

Common khelp acid reflux capsules questions

Is khelp acid reflux capsules profitable to sell on Amazon United States?: The niche generates $202K/yr across 5 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.3%. Flapen's verdict: Skip it (49/100).
How competitive is the khelp acid reflux capsules niche?: 4 brands and 5 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in khelp acid reflux capsules?: Top complaints mined from reviews: Functionality-Overall, Regulates Digestion, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
What does it cost to enter the khelp acid reflux capsules niche?: Listings span $29.77–$53.27; the average listing price is $36.20 (sweet spot $15–$100). The average incumbent carries 643 reviews — the moat a new listing must climb.