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63

nmnh

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 56Growth 14Conversion 84Competition 53Returns 100Price range 87Avg price 95Brand share 78Review moat 85Quality gap 48

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$29.71

avg listing price — sweet spot $15–$100

Price range

Great$10.15–$57.77

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

Review moat

Great301.2

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.4%

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

Brand share

Great57%

top-5 brand share — no brand owns this niche

Market size

Good$413K

$413K/yr · 148K searches

Competition

Good53%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-21.3%

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

According to Flapen's Amazon United States niche tracking, nmnh is a $413K/yr Amazon United States market (148K searches/yr). The top 5 brands hold 57% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Worth a look — 63/100.

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

nmnh market data

Units sold / yr
13K–15K
avg 250–500/product
Revenue / yr
$371K–$446K
units × avg price
Conversion rate
9.4%
Avg BSR
#426
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
2.3%
Avg brand age
20 months
Avg seller age
159 days

Competition & brand share

The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

31

Top-5 brand share

57%

Top 20: 97%

Top-5 click share

53%

Top 20: 94%

Open market

37%

  • Ucessuyy18%
  • Qmiozzy15%
  • Toniiq10%
  • Double Wood Supplements8%
  • VPKIN6%
  • Nutricost6%

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -21.3% search growth over the last 90 days.
20K15KHoliday '24Spike '25Prime Day '25Holiday '25Spike '26DecMarJunAugNovMarMay

Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 4.3×

Top nmnh 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%$21K10%$41K15%$62K20%$83K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about nmnh

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

What buyers love

Quality-Overall15%

“The quality seems solid”

Energy Level13%

“Tons of energy”

Vitamin8%

“An excellent supplement”

Value For Money6%

“Good value for the money”

Nutritional Content6%

“Honestly I think it just provides overall good health”

Ease Of Use4%

“Easy to Take”

Focus Enhancement4%

“mental clarity”

Ease Of Chewing/Swallowing4%

“No problem with swallowing”

Skin Health3%

“Our skin has a healthy glow”

Side Effects3%

“it didnt cause any noticeable discomfort for me”

What buyers complain about

Side Effects6%

“The only negative is that it gives me diarrhea”

Dosage6%

“so higher than the common dosages”

Value For Money6%

“Kinda expensive”

Energy Level5%

“I seriously have no energy”

Functionality-Overall4%

“No results”

Size-Overall4%

“The capsules are small”

Advertised Vs Actual Product3%

“Very deceiving”

Allergies2%

“developed a severe rash on my face”

Sleep Quality2%

“I feel like Ive had too much coffee and no sleep”

Vitamin2%

“Its one of those supplements thats hard to measure day to day, and for me there wasnt any noticeable difference in energy, recovery, or overall how I felt while taking it”

Top return reasons

Ingredients-Overall23%
Certifications17%
Value For Money13%
Unsustainable Design7%
Smell7%
Regulates Digestion7%
Dosage7%
Contamination7%
Functionality-Overall7%
Fever Relief3%

Common questions

Is nmnh profitable to sell on Amazon United States?
The niche generates $413K/yr across 25 tracked products. 7 of 12 products launched in the last 360 days are still selling. 90-day search growth is -21.3%. Flapen's verdict: Worth a look (63/100).
How competitive is the nmnh niche?
23 brands and 31 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 57% of demand.
What do buyers complain about in nmnh?
Top complaints mined from reviews: Side Effects, Dosage, Value For Money. The return rate is 0.0%.
When does demand for nmnh peak?
Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 4.3× the quietest.
What does it cost to enter the nmnh niche?
Listings span $10.15–$57.77; the average listing price is $29.71 (sweet spot $15–$100). The average incumbent carries 301 reviews — the moat a new listing must climb.