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53

eggshell membrane

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 91% of clicks) keeps it on the watch list.

Market size 39Growth 25Conversion 85Competition 24Returns 100Price range 95Avg price 95Brand share 22Review moat 71Quality gap 55

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$26.68

avg listing price — sweet spot $15–$100

Price range

Incredible$14.97–$40.21

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

Conversion

Great9.5%

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

Review moat

Good661.31

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay$201K

$201K/yr · 80K searches

Growth

Okay+0.3%

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

Competition

Bad71%

top-5 click share — a locked-up shelf

Brand share

Bad91%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, eggshell membrane is a $201K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 53/100.

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

eggshell membrane market data

Units sold / yr
6K–8K
avg 500–750/product
Revenue / yr
$160K–$213K
units × avg price
Conversion rate
9.5%
Avg BSR
#2,674
Page quality
0%
Prime
100%
Sponsored
92%
Out of stock
8.2%
Avg brand age
62 months
Avg seller age
158 days

Competition & brand share

The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

24

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

71%

Top 20: 100%

Open market

5%

  • Healthy Origins30%
  • Nutricost19%
  • BulkSupplements18%
  • NOW Foods17%
  • Genacol6%
  • Natural Factors4%
  • Open — no brand owns it (2 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — +0.3% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 1.9×

Top eggshell membrane search terms

  • eggshell membrane supplement23K/yr
  • egg shell membrane supplement16K/yr
  • eggshell membrane12K/yr
  • eggshell5K/yr
  • egg shell membrane4K/yr
  • eggshell membrane collagen4K/yr
  • egg membrane supplements5K/yr
  • natural eggshell membrane3K/yr
  • egg membrane collagen7K/yr
All search terms

Top eggshell membrane 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.

0%5%$10K10%$20K15%$30K20%$40K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about eggshell membrane

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

What buyers love

Joint Pain27%

“So good for your joints”

Value For Money10%

“so well worth the money”

Quality-Overall6%

“is in line with most other brands”

Ease Of Chewing/Swallowing5%

“Easy to swallow”

Advertised Vs Actual Product4%

“Works as promised”

Vitamin3%

“This is one of the best supplements I have ever taken”

Nutritional Content3%

“Secondly, 120 pills in a bottle is a great amount and I love when supplements actually give yo a few months worth in one bottle so you don't have to keep reordering constantly”

Ease Of Use3%

“Simple and. hopefully”

Inflammation3%

“Turmeric extract, particularly when standardized to curcuminoids, has its own established anti-inflammatory credentials”

Efficiency2%

“Works Well”

What buyers complain about

Taste-Overall8%

“Dog does not like the taste”

Solubility7%

“Doesn't dissolve nor hot or cold”

Acid Regulator/Stomach Ache Relief7%

“They make my stomach hurt a lot, though”

Side Effects7%

“Made me very sick to my stomach and digestive tracy”

Value For Money5%

“not great at the current price”

Smell4%

“The smell is atrocious”

Joint Pain4%

“I haven't seen any benefit from this in any of the pain relief, joint health, or skin improvement”

Color4%

“Theyre Okay, just not as good as the slightly more expensive version in the yellow and white bottle”

Nutritional Content2%

“less supplement facts tho”

Functionality-Overall2%

“Does not work zero difference”

Top return reasons

Heart Health100%

Common questions

Is eggshell membrane profitable to sell on Amazon United States?
The niche generates $201K/yr across 13 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the eggshell membrane niche?
8 brands and 24 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 91% of demand.
What do buyers complain about in eggshell membrane?
Top complaints mined from reviews: Taste-Overall, Solubility, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
When does demand for eggshell membrane peak?
Demand peaks in Oct–Nov; the busiest month runs 1.9× the quietest.
What does it cost to enter the eggshell membrane niche?
Listings span $14.97–$40.21; the average listing price is $26.68 (sweet spot $15–$100). The average incumbent carries 661 reviews — the moat a new listing must climb.