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oyster supplement

Skip it

A small market ($54K/yr) — this niche doesn't clear our bar today.

Market size 13Growth 30Conversion 51Competition 24Returns 100Price range 86Avg price 95Brand share 56Review moat 96Quality gap 43

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Incredible88.25

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible$28.67

avg listing price — sweet spot $15–$100

Price range

Great$9.65–$56.88

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

Brand share

Good72%

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

Conversion

Good4.1%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+3.7%

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

Competition

Bad72%

top-5 click share — a locked-up shelf

Market size

Bad$54K

$54K/yr · 46K searches

According to Flapen's Amazon United States niche tracking, oyster supplement is a $54K/yr Amazon United States market (46K searches/yr). The top 5 brands hold 72% of demand. Verdict: Skip it — 49/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

oyster supplement market data

Units sold / yr
2K–3K
avg 100–250/product
Revenue / yr
$57K–$72K
units × avg price
Conversion rate
4.1%
Avg BSR
#1,945
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
19.2%
Avg brand age
81 months
Avg seller age
171 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 rising

Sellers

17

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

22%

  • Vitality Span36%
  • Swanson11%
  • LIFESPAN PURE NEW ZEALAND9%
  • NZ Good health POST8%
  • Goodhealth7%
  • Deep Blue Health7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.7% search growth over the last 90 days.
1K750Spike '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top oyster supplement search terms

  • oyster extract12K/yr
  • oyster supplement12K/yr
  • oyster powder6K/yr
  • oyster pills5K/yr
  • oyster zinc4K/yr
  • oyster extract for men3K/yr
  • oyster max4K/yr
All search terms

Top oyster supplement 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%10%$5K20%$11K30%$16K40%$21K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

What buyers say about oyster supplement

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

What buyers love

Quality-Overall11%

“Quality has been consistent”

Ingredients-Overall10%

“The ingredients are promising”

Vitamin8%

“Decent Supplement”

Ease Of Chewing/Swallowing8%

“overall not huge or a problem to swallow”

Ease Of Use6%

“Easy Daily Use”

Nutritional Content6%

“This supplement is a great and healthy alternative”

Efficiency6%

“Working good for me”

Energy Level5%

“Solid, Clean Energy Boost for the Daily Routine”

Side Effects3%

“I don't see any bad side effects”

Taste-Overall3%

“The capsules are easy to swallow with no funky aftertaste”

What buyers complain about

Smell14%

“It also had a strong fishy smell when it arrived”

Side Effects12%

“for me the effects were pretty mild”

Dosage8%

“Two capsules per serving isnt ideal if you prefer one-pill simplicity”

Size-Overall6%

“although they are a little big”

Taste-Overall3%

“the burps tasted exactly like the capsule smell”

Ingredients-Overall3%

“no links to testing or ingredient sourcing”

Value For Money1%

“The price is also a bit high compared with other zinc supplements”

Quality-Overall1%

“Poor personal tolerance — I felt uncomfortable after taking them”

Comfort-Overall1%

“Poor personal tolerance — I felt uncomfortable after taking them”

Common questions

Is oyster supplement profitable to sell on Amazon United States?
The niche generates $54K/yr across 12 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +3.7%. Flapen's verdict: Skip it (49/100).
How competitive is the oyster supplement niche?
12 brands and 17 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in oyster supplement?
Top complaints mined from reviews: Smell, Side Effects, Dosage. The return rate is 0.0%.
When does demand for oyster supplement peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the oyster supplement niche?
Listings span $9.65–$56.88; the average listing price is $28.67 (sweet spot $15–$100). The average incumbent carries 88 reviews — the moat a new listing must climb.