Is pb8 profitable to sell on Amazon United States?

The niche generates $576K/yr across 17 tracked products. 90-day search growth is +20.6%. Flapen's verdict: Worth a look (57/100).

How competitive is the pb8 niche?

2 brands and 80 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in pb8?

Top complaints mined from reviews: Regulates Digestion, Acid Regulator/Stomach Ache Relief, Value For Money. The return rate is 0.0%.

When does demand for pb8 peak?

Demand peaks in Jan; the busiest month runs 1.8× the quietest.

What does it cost to enter the pb8 niche?

Listings span $10.65–$49.40; the average listing price is $26.04 (sweet spot $15–$100). The average incumbent carries 792 reviews — the moat a new listing must climb.

pb8

Worth a look

Shows searches that convert (22.9% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Conversion

Incredible22.9%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$26.04

avg listing price — sweet spot $15–$100

Price range

Great$10.65–$49.40

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

Review moat

Good792.47

avg incumbent reviews — the moat a new listing must climb

Market size

Good$576K

$576K/yr · 97K searches

Growth

Good+20.6%

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

Competition

Okay63%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, pb8 is a $576K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Worth a look — 57/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

pb8 market data

Units sold / yr: 20K–25K; avg 1,500–2,000/product
Revenue / yr: $521K–$651K; units × avg price
Conversion rate: 22.9%
Avg BSR: #713
Page quality: 0%
Prime: 71%
Sponsored: 6%
Out of stock: 0.0%
Avg brand age: 84 months
Avg seller age: 153 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

2 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

PB854%
Nutrition Now46%

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — +20.6% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.8×

Open Trend

Top pb8 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 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

PB8$17.574.7★3,687 rev

PB8 Pro-biotic Acidophilus 120-count (Value Pack of 2)

Nutrition Now$32.804.8★2,140 rev

PB8 Probiotic - 3 Pack - 120 Capsules Per Bottle - Supports Digestive Health - 14 Billion CFU - 8 Beneficial Strains - No Milk Gluten or Soy

PB8$49.404.8★266 rev

PB8$18.784.7★2,898 rev

Nutrition Now - PB 8 Pro-Biotic Acidophilus - 120 Capsules (pack of 2)

Nutrition Now$31.044.8★1,994 rev

Newest

by launch date

PB8 Probiotic - 3 Pack - 120 Capsules Per Bottle - Supports Digestive Health - 14 Billion CFU - 8 Beneficial Strains - No Milk Gluten or Soy

PB8$49.40266 rev

2y ago

PB8 Acidophilus Probiotic 120 Count Bottle

Nutrition Now$23.3211 rev

10y ago

PB8$23.42316 rev

10y ago

PB 8 Acidophilus Probiotic 120 Count (Value Pack of 2)

PB8$38.7829 rev

11y ago

PB8 Pro-biotic Acidophilus 120-count (Value Pack of 2)

Nutrition Now$32.802,140 rev

11y ago

What buyers say about pb8

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

What buyers love

Nutritional Content28%

“Best probiotic”

Quality-Overall20%

“Excellent product, using it for many years”

Regulates Digestion11%

“It works good for digestion”

Advertised Vs Actual Product9%

“It works as advertised”

Value For Money6%

“Good price”

Efficiency4%

“Works well”

Vitamin4%

“it'd be worth your while looking into this daily supplement”

Durability3%

“I have been using it consistently for a few years”

Acid Regulator/Stomach Ache Relief2%

“Helps our stomach so much happier”

Immunity Booster2%

“Helps support digestive system health, and intestinal balance, boost immune function”

What buyers complain about

Regulates Digestion22%

“Its not helping my bloat”

Acid Regulator/Stomach Ache Relief22%

“Even higher amount of acidophilus does not help me be regular as much as this product”

Value For Money17%

“Too expensive”

Compatibility-Overall11%

“not compatible to me”

Allergies11%

“I use this product because I'm allergic to so many foods, spices and environmental issues”

Dosage6%

“Very expensive for amount of pills received”

Pain Relief-Overall4%

“Its mysterious pain”

Common questions

Is pb8 profitable to sell on Amazon United States?: The niche generates $576K/yr across 17 tracked products. 90-day search growth is +20.6%. Flapen's verdict: Worth a look (57/100).
How competitive is the pb8 niche?: 2 brands and 80 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in pb8?: Top complaints mined from reviews: Regulates Digestion, Acid Regulator/Stomach Ache Relief, Value For Money. The return rate is 0.0%.
When does demand for pb8 peak?: Demand peaks in Jan; the busiest month runs 1.8× the quietest.
What does it cost to enter the pb8 niche?: Listings span $10.65–$49.40; the average listing price is $26.04 (sweet spot $15–$100). The average incumbent carries 792 reviews — the moat a new listing must climb.

pb8