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zinc 30mg

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 66Growth 6Conversion 100Competition 3Returns 100Price range 69Avg price 76Brand share 0Review moat 0Quality gap 18

Conversion

Incredible20.3%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$15.21

avg listing price — sweet spot $15–$100

Price range

Good$3.83–$40.20

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

Market size

Good$647K

$647K/yr · 209K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-38.6%

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

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Review moat

Bad49,257.67

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, zinc 30mg is a $647K/yr Amazon United States market (209K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Mar–Dec. Verdict: Skip it — 40/100.

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

zinc 30mg market data

Units sold / yr
40K–50K
avg 6,000–8,000/product
Revenue / yr
$608K–$761K
units × avg price
Conversion rate
20.3%
Avg BSR
#22
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
0.0%
Avg brand age
90 months
Avg seller age
153 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 rising

Sellers

67

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

0%

  • Nature Made75%
  • Pure Encapsulations13%
  • Bronson6%
  • Nature's Bounty5%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -38.6% search growth over the last 90 days.
10K6KSpike '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Feb, Mar, Dec · busiest ÷ quietest = 5.2×

Top zinc 30mg search terms

  • zinc 30mg91K/yr
  • nature made zinc31K/yr
  • zinc 30 mg23K/yr
  • zinc nature made18K/yr
  • nature made zinc 30mg13K/yr
  • nature made zinc 50mg7K/yr
  • zinc supplements 30mg6K/yr
  • 30 mg zinc4K/yr
  • nature made zinc 30 mg2K/yr
  • 30mg zinc3K/yr
All search terms

Top zinc 30mg 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%20%$129K40%$259K60%$388K80%$518K1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about zinc 30mg

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

What buyers love

Quality-Overall17%

“Another great Pure product”

Value For Money13%

“reasonable price”

Advertised Vs Actual Product10%

“works as it should”

Vitamin9%

“Great vitamin for your health”

Ease Of Chewing/Swallowing5%

“Easy-to-take tablets for consistent nutritional support”

Immunity Booster5%

“This has helped with boosting my immune system”

Cold Relief3%

“Helps fight away colds and flu”

Dosage3%

“Great pills”

Ingredients-Overall2%

“Clean & healthier ingredients”

Ease Of Use2%

“Easy to use”

What buyers complain about

Dosage14%

“The dose is way too high”

Size-Overall7%

“Tiny”

Side Effects7%

“I got horribly sick”

Acid Regulator/Stomach Ache Relief6%

“Nauseous”

Ease Of Use4%

“Cant use”

Quality-Overall4%

“Cheap”

Sleep Quality4%

“Makes me drowsy throughout the day”

Nutritional Content3%

“I don't actually have any evidence that these supplements are having any substantial benefits to my health”

Ease Of Chewing/Swallowing3%

“Very hard to swallow”

Regulates Digestion3%

“This brand gives me heartburn and reflux”

Top return reasons

Dosage38%
Functionality-Overall18%
Vitamin12%
Strength6%
Joint Pain6%
Smell6%
Taste-Overall6%
Contamination6%
Ease Of Chewing/Swallowing3%

Common questions

Is zinc 30mg profitable to sell on Amazon United States?
The niche generates $647K/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -38.6%. Flapen's verdict: Skip it (40/100).
How competitive is the zinc 30mg niche?
4 brands and 67 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in zinc 30mg?
Top complaints mined from reviews: Dosage, Size-Overall, Side Effects. The return rate is 0.0%.
When does demand for zinc 30mg peak?
Demand peaks in Feb–Mar–Dec; the busiest month runs 5.2× the quietest.
What does it cost to enter the zinc 30mg niche?
Listings span $3.83–$40.20; the average listing price is $15.21 (sweet spot $15–$100). The average incumbent carries 49,258 reviews — the moat a new listing must climb.