Is lactinex profitable to sell on Amazon United States?

The niche generates $67K/yr across 4 tracked products. 90-day search growth is -6.0%. Flapen's verdict: Skip it (42/100).

How competitive is the lactinex niche?

1 brands and 21 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in lactinex?

Top complaints mined from reviews: Taste-Overall, Value For Money. The return rate is 0.0%.

When does demand for lactinex peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the lactinex niche?

Listings span $11.35–$44.34; the average listing price is $25.33 (sweet spot $15–$100). The average incumbent carries 186 reviews — the moat a new listing must climb.

Lactinex

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

Conversion

Incredible17.9%

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

Avg price

Incredible$25.33

avg listing price — sweet spot $15–$100

Review moat

Great185.75

avg incumbent reviews — the moat a new listing must climb

Price range

Great$11.35–$44.34

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-6.0%

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

Market size

Bad$67K

$67K/yr · 15K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Is lactinex profitable on Amazon?

According to Flapen's Amazon United States niche tracking, lactinex is a $67K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 42/100.

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

lactinex market size & sales

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

Units sold / yr: 4K–5K; avg 750–1,000/product
Revenue / yr: $101K–$127K; units × avg price
Conversion rate: 17.9%
Avg BSR: #802
Page quality: 0%
Prime: 100%
Sponsored: 50%
Out of stock: 20.0%
Avg brand age: 85 months
Avg seller age: 168 days

Competition: brands, sellers & click share

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

Brands

1 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Rising100%

lactinex demand & seasonality

Weekly Amazon search volume, last 99 weeks — -6.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top lactinex search terms shoppers use

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

floranex5K/yr -11.1%24.2% conv.
floranex lactobacillus tablets4K/yr -3.5%23.8% conv.
lactinex3K/yr -3.8%6.2% conv.
lactinex chewable tablets2K/yr -1.0%7.9% conv.

All search terms

Top lactinex 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 4 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Rising Health Floranex Lactobacillus Probiotic Dietary Supplement Tablets for Digestive & Gut Health Daily Probiotic Support - 50 Tablets

Rising$11.354.6★448 rev

Floranex Probiotic for Colon Health Generic for Lactinex 50 Tablets per Bottle Pack of 2 Total 100 Tablets

Rising$24.564.6★72 rev

Floranex Probiotic 2 Million CFU Lactobacillus Acidophilus for Colon Digestive Health Generic for Lactinex Shelf Stable No Refrigeration 50 Tablets per Bottle 4-Pack

Rising$44.344.5★99 rev

Rising Health Floranex Lactobacillus Probiotic Dietary Supplement Granules for Digestive & Gut Health Daily Probiotic Support - 12 Packets

Rising$21.054.7★124 rev

Newest

by launch date

Floranex Probiotic for Colon Health Generic for Lactinex 50 Tablets per Bottle Pack of 2 Total 100 Tablets

Rising$24.5672 rev

11y ago

Floranex Probiotic 2 Million CFU Lactobacillus Acidophilus for Colon Digestive Health Generic for Lactinex Shelf Stable No Refrigeration 50 Tablets per Bottle 4-Pack

Rising$44.3499 rev

12y ago

Rising Health Floranex Lactobacillus Probiotic Dietary Supplement Granules for Digestive & Gut Health Daily Probiotic Support - 12 Packets

Rising$21.05124 rev

17y ago

Rising Health Floranex Lactobacillus Probiotic Dietary Supplement Tablets for Digestive & Gut Health Daily Probiotic Support - 50 Tablets

Rising$11.35448 rev

18y ago

What reviews say buyers love and hate about lactinex

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

What buyers love

Efficiency36%

“Works great”

Regulates Digestion29%

“Helps with digestion”

Immunity Booster7%

“Works great for colon health”

Acid Regulator/Stomach Ache Relief7%

“It helps with a lot of health issues like upset stomach stomach pains diarrhea Etc”

Quality-Overall7%

“Good produce”

What buyers complain about

Taste-Overall25%

“it has virtually no taste”

Value For Money25%

“Very expensive”

Common lactinex questions

Is lactinex profitable to sell on Amazon United States?: The niche generates $67K/yr across 4 tracked products. 90-day search growth is -6.0%. Flapen's verdict: Skip it (42/100).
How competitive is the lactinex niche?: 1 brands and 21 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in lactinex?: Top complaints mined from reviews: Taste-Overall, Value For Money. The return rate is 0.0%.
When does demand for lactinex peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the lactinex niche?: Listings span $11.35–$44.34; the average listing price is $25.33 (sweet spot $15–$100). The average incumbent carries 186 reviews — the moat a new listing must climb.