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49

Members Mark Probiotic

Skip it

A small market ($45K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 60Conversion 97Competition 22Returns 100Price range 81Avg price 95Brand share 29Review moat 17Quality gap 25

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible14.8%

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

Avg price

Incredible$23.43

avg listing price — sweet spot $15–$100

Price range

Great$9.75–$39.31

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

Growth

Good+36.5%

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

Brand share

Okay88%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad74%

top-5 click share — a locked-up shelf

Review moat

Bad17,841.67

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$45K

$45K/yr · 13K searches

Is members mark probiotic profitable on Amazon?

According to Flapen's Amazon United States niche tracking, members mark probiotic is a $45K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 88% of demand. Verdict: Skip it — 49/100.

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

members mark probiotic market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$35K–$47K
units × avg price
Conversion rate
14.8%
Avg BSR
#391
Page quality
0%
Prime
75%
Sponsored
58%
Out of stock
6.5%
Avg brand age
69 months
Avg seller age
152 days

Competition: brands, sellers & click share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

55

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

9%

  • Generic49%
  • NOW Foods18%
  • MUNCHIE MIX11%
  • Physician's CHOICE5%
  • NewRhythm4%
  • Vitamatic4%
  • Open — no brand owns it (3 brands, 9%)

Top members mark probiotic search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • 10 strain probiotic4K/yr
  • members mark probiotic5K/yr
  • 10 strain probiotic capsules4K/yr
All search terms

Top members mark probiotic 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.

0%10%$5K20%$9K30%$14K40%$18K1101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about members mark probiotic

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

What buyers love

Quality-Overall17%

“Excellent Product”

Nutritional Content15%

“Best probiotic I had”

Regulates Digestion12%

“Less digestive issues”

Value For Money9%

“Best value”

Efficiency9%

“Effective for me”

Acid Regulator/Stomach Ache Relief6%

“Helps with stomach issues”

Advertised Vs Actual Product4%

“Arrived as described”

Ease Of Chewing/Swallowing4%

“Ease of swallow”

Ease Of Use3%

“EASE OF USE”

Side Effects2%

“I didnt experience any harsh side effects”

What buyers complain about

Functionality-Overall16%

“Didn't work for me”

Regulates Digestion12%

“making your digestive issues worse”

Acid Regulator/Stomach Ache Relief10%

“Severe stomach pain”

Value For Money7%

“Very expensive”

Side Effects5%

“it gave me headaches”

Dosage5%

“Incorrect amount”

Quality-Overall2%

“Garbage”

Taste-Overall2%

“No taste and doesnt upset stomach”

Allergies2%

“Awful Hives/Rash/Itching in”

Nutritional Content2%

“And I certainly wasn't getting the nutrition I needed”

Top return reasons

Functionality-Overall41%
Value For Money18%
Acid Regulator/Stomach Ache Relief9%
Side Effects5%
Product Condition5%
Quality-Overall5%
Advertised Vs Actual Product5%
Certifications5%
Nutritional Content5%
Accuracy-Overall5%

Common members mark probiotic questions

Is members mark probiotic profitable to sell on Amazon United States?
The niche generates $45K/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +36.5%. Flapen's verdict: Skip it (49/100).
How competitive is the members mark probiotic niche?
9 brands and 55 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in members mark probiotic?
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 members mark probiotic niche?
Listings span $9.75–$39.31; the average listing price is $23.43 (sweet spot $15–$100). The average incumbent carries 17,842 reviews — the moat a new listing must climb.