Is gallbladder profitable to sell on Amazon United States?

The niche generates $2.9M/yr across 7 tracked products. 90-day search growth is -0.3%. Flapen's verdict: Worth a look (53/100).

How competitive is the gallbladder niche?

5 brands and 29 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in gallbladder?

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

When does demand for gallbladder peak?

Demand peaks in May–Jun–Jul–Aug; the busiest month runs 2.5× the quietest.

What does it cost to enter the gallbladder niche?

Listings span $13.84–$74.90; the average listing price is $35.16 (sweet spot $15–$100). The average incumbent carries 9,685 reviews — the moat a new listing must climb.

gallbladder

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Incredible$2.9M

$2.9M/yr · 617K searches

Conversion

Incredible13.4%

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

Avg price

Incredible$35.16

avg listing price — sweet spot $15–$100

Price range

Great$13.84–$74.90

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.3%

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

Review moat

Bad9,685.43

avg incumbent reviews — the moat a new listing must climb

Competition

Bad93%

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, gallbladder is a $2.9M/yr Amazon United States market (617K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 53/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

gallbladder market data

Units sold / yr: 80K–100K; avg 10,000–12,500/product
Revenue / yr: $2.8M–$3.5M; units × avg price
Conversion rate: 13.4%
Avg BSR: #61
Page quality: 0%
Prime: 100%
Sponsored: 86%
Out of stock: 0.0%
Avg brand age: 90 months
Avg seller age: 150 days

Competition & brand share

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

Brands

5 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

NOW Foods59%
Dr. Berg Nutritionals18%
THORNE15%
Designs for Health5%
Dr. Mercola3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.3% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 2.5×

Open Trend

Top gallbladder search terms

super enzymes80K/yr +4.5%15.6% conv.
now super enzymes81K/yr -1.9%15.9% conv.
gallbladder supplements75K/yr -10.2%3.5% conv.
thorne digestive enzymes32K/yr +22.6%11.3% conv.
gallbladder34K/yr -5.2%1.4% conv.
now digestive enzymes26K/yr +17.9%7.6% conv.
super enzymes now29K/yr -5.6%16.7% conv.
thorne advanced digestive enzymes18K/yr +19.0%17.3% conv.
dr berg gallbladder formula24K/yr -26.0%17.5% conv.
digestzymes22K/yr -15.5%5.7% conv.

All search terms

Top gallbladder 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

NOW Foods Supplements Super Enzymes Formulated with Bromelain Ox Bile Pancreatin and Papain 180 Capsules

NOW Foods$22.184.6★23,264 rev

THORNE - Advanced Digestive Enzymes - Supplement with Pepsin Ox Bile & Pancreatin for Indigestion & Constipation Relief - Minimizes Occasional Gas & Bloating* - Third-Party Certified - 180 Capsules

THORNE$54.274.6★1,557 rev

Dr. Berg Gallbladder Formula Extra Strength - with Ox Bile Powder and Conjugated Bile Acid - Digestive Enzymes Proprietary Blend - Full 45-Day Supply - 90 Vegetable Capsules

Dr. Berg Nutritionals$37.284.4★13,481 rev

NOW Supplements Super Enzymes Formulated with Bromelain Ox Bile Pancreatin and Papain Super Enzymes 90 Capsules

NOW Foods$13.844.6★23,264 rev

Designs for Health Digestzymes - Digestive Enzymes + Betaine Hydrochloride for Gas & Bloating Relief - Pepsin Ox Bile Lactase Enzyme & Lipase Enzymes for Digestion (180 Capsules)

Designs for Health$74.904.6★2,608 rev

Newest

by launch date

Dr. Berg Advanced Digestive Enzymes with Apple Cider Vinegar - Includes Digestive Health Ingredients Like Betaine Hydrochloride (HCI) Ginger Root & Peppermint Leaf - 180 Capsules

Dr. Berg Nutritionals$28.921,969 rev

1y ago

Dr. Mercola Gallbladder Enzymes - Gallbladder & Digestive Health Support - Includes Pancreatic Protease Amylase & Lipase - Non-GMO Gluten-Free & Soy-Free - 30 Delayed Release Capsules (30 Servings)

Dr. Mercola$14.731,655 rev

8y ago

Dr. Berg Gallbladder Formula Extra Strength - with Ox Bile Powder and Conjugated Bile Acid - Digestive Enzymes Proprietary Blend - Full 45-Day Supply - 90 Vegetable Capsules

Dr. Berg Nutritionals$37.2813,481 rev

12y ago

THORNE - Advanced Digestive Enzymes - Supplement with Pepsin Ox Bile & Pancreatin for Indigestion & Constipation Relief - Minimizes Occasional Gas & Bloating* - Third-Party Certified - 180 Capsules

THORNE$54.271,557 rev

18y ago

NOW Foods Supplements Super Enzymes Formulated with Bromelain Ox Bile Pancreatin and Papain 180 Capsules

NOW Foods$22.1823,264 rev

21y ago

What buyers say about gallbladder

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

What buyers love

Regulates Digestion28%

“Help with my digestion issues”

Quality-Overall12%

“No complaints”

Efficiency11%

“Works perfectly”

Acid Regulator/Stomach Ache Relief6%

“Helps with acid reflux”

Advertised Vs Actual Product4%

“This works as advertised”

Nutritional Content4%

“Complete game changer for my nutrition and digestion”

Joint Pain3%

“Great for people with gallbladder issues”

Ingredients-Overall3%

“The ingredients are awesome too”

Value For Money2%

“Value-wise this is hard to beat”

Vitamin2%

“It's an essential high quality supplement for me”

What buyers complain about

Regulates Digestion16%

“had significant digestive discomfort every single time”

Functionality-Overall9%

“doesnt work that well”

Acid Regulator/Stomach Ache Relief9%

“difficulties with constipation”

Value For Money7%

“too expensive”

Side Effects6%

“attacks for a week straight every time I ate something”

Ingredients-Overall5%

“But they changed ingredients”

Taste-Overall3%

“DO NOT chew them they taste gross”

Dosage3%

“Perhaps a bad batch”

Nutritional Content2%

“Many people are on a ketogenic or low carb diet will not want this added hidden sugar which is finding its way into many products where it need not be”

Size-Overall2%

“The pills were large for me”

Top return reasons

Functionality-Overall31%

Ingredients-Overall13%

Smell13%

Charging13%

Acid Regulator/Stomach Ache Relief13%

Value For Money13%

Pain Relief-Overall6%

Common questions

Is gallbladder profitable to sell on Amazon United States?: The niche generates $2.9M/yr across 7 tracked products. 90-day search growth is -0.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the gallbladder niche?: 5 brands and 29 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in gallbladder?: Top complaints mined from reviews: Regulates Digestion, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for gallbladder peak?: Demand peaks in May–Jun–Jul–Aug; the busiest month runs 2.5× the quietest.
What does it cost to enter the gallbladder niche?: Listings span $13.84–$74.90; the average listing price is $35.16 (sweet spot $15–$100). The average incumbent carries 9,685 reviews — the moat a new listing must climb.