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56

nadh

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 34Growth 18Conversion 85Competition 34Returns 100Price range 95Avg price 95Brand share 56Review moat 89Quality gap 53

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible€32.34

avg listing price — sweet spot $15–$100

Price range

Incredible€16.28–€74.85

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

Review moat

Great216.89

avg incumbent reviews — the moat a new listing must climb

Conversion

Great9.5%

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

Brand share

Good72%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay€164K

€164K/yr · 53K searches

Competition

Okay65%

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

Growth

Bad-13.5%

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

According to Flapen's Amazon Germany niche tracking, nadh is a €164K/yr Amazon Germany market (53K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

nadh market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
€129K–€162K
units × avg price
Conversion rate
9.5%
Avg BSR
#243
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.5%
Avg brand age
47 months
Avg seller age
183 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

28

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

24%

  • GREEN NATURALS27%
  • azaroe16%
  • Coutihot14%
  • Only Nature8%
  • WARNKE VITALSTOFFE6%
  • Prof. George Birkmayer NADH5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.5% search growth over the last 90 days.
2K1KPrime Day '24Spike '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top nadh search terms

  • nadh34K/yr
  • nadh hochdosiert12K/yr
  • nadh q105K/yr
  • pregnenolone 50mg3K/yr
All search terms

Top nadh 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%€16K20%€33K30%€49K40%€66K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about nadh

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

What buyers love

Qualität insgesamt23%

“Super Produkt”

Preis-Leistungs-Verhältnis9%

“Hervorragendes Produkt zu einem fairen Preis”

Energieniveau9%

“Geben dir neue Energie”

Gesamtgröße8%

“fitter”

Stärke8%

“leistungsstärker”

Fokusverbesserung4%

“Die Qualität ist hervorragend und ich fühle mich insgesamt fitter und fokussierter”

Sexuelles Wohlbefinden3%

“Verbesserte Libido / sexuelle Funktion → Häufiger bei Frauen (z. B. mehr Lust, bessere Erregung, weniger Schmerzen beim Sex durch vaginale DHEA-Präparate);”

Dosierung3%

“Eine 25mg Dosierung als Alternative wäre toll”

Kalzium3%

“Mit dem Produkt NADH 50 mg bin ich sehr zufrieden”

Ernährungs Gehalt3%

“Sehr gutes Nahrungsergänzungsmittel”

What buyers complain about

Funktionalität insgesamt24%

“Irgendwie wirkungslos”

Dosierung15%

“Wirkstoff Mengen zu gering”

Vegan/Biologisch9%

“Keine Kaufempfehlung, wenn man Vegane Produkte mag”

Preis-Leistungs-Verhältnis7%

“Für den hohen Preis ein klares nein”

Fokusverbesserung6%

“Dass ich mich inzwischen oft schwer konzentrieren konnte und mein Gedächtnis nicht mehr so gut war habe ich dieser Zeit zugeschrieben”

Heizung6%

“Das Produkt war kochend heiß”

Ernährungs Gehalt3%

“Da will man seinem Körper was gutes tun”

Allergien3%

“Allergisch”

Hautgesundheit3%

“Das hat meine Haut geschadet”

Magnesium3%

“leider auch hier zu spät gesehen, enthält Magnesiumstearat (hier als Magnesiumsalze der Speisefettsäuren deklariert), was als ungesund und darmschädigend gilt.”

Common questions

Is nadh profitable to sell on Amazon Germany?
The niche generates €164K/yr across 18 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -13.5%. Flapen's verdict: Worth a look (56/100).
How competitive is the nadh niche?
15 brands and 28 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in nadh?
Top complaints mined from reviews: Funktionalität insgesamt, Dosierung, Vegan/Biologisch. The return rate is 0.1%.
When does demand for nadh peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the nadh niche?
Listings span €16.28–€74.85; the average listing price is €32.34 (sweet spot $15–$100). The average incumbent carries 217 reviews — the moat a new listing must climb.