diphenhydramin
Skip itA small market ($34K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Conversion
Great9.4%search→purchase rate — share of searches ending in a sale
Review moat
Good659.13avg incumbent reviews — the moat a new listing must climb
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Price range
Okay€5.07–€20.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay€10.14avg listing price — sweet spot $15–$100
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Growth
Bad-16.9%90-day search growth — must beat 0% to launch
Market size
Bad€34K€34K/yr · 35K searches
According to Flapen's Amazon Germany niche tracking, diphenhydramin is a €34K/yr Amazon Germany market (35K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 47/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
diphenhydramin market data
- Units sold / yr
- 5K–6K
- avg 250–500/product
- Revenue / yr
- €51K–€61K
- units × avg price
- Conversion rate
- 9.4%
- Avg BSR
- #5,115
- Page quality
- 0%
- Prime
- 25%
- Sponsored
- 56%
- Out of stock
- 4.3%
- Avg brand age
- 86 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
24
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
13%
- Aristo38%
- apo-discounter.de14%
- Bodfeld Apotheke12%
- Berco-ARZNEIMITTEL11%
- STADA7%
- AL Aliud Pharma5%
- Open — no brand owns it (5 brands, 13%)
Demand
Weekly Amazon search volume, last 40 weeks — -16.9% search growth over the last 90 days.Top diphenhydramin search terms
- diphenhydramin15K/yr
- emesan tabletten 50 stk5K/yr
- emesan5K/yr
- diphenhydramin 50 mg6K/yr
- diphenhydraminhydrochlorid5K/yr
Top diphenhydramin 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.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Emesan Tabletten 50mg 50 Stück von Aristo Pharma zur Vorbeugung und symptomatischen Behandlung von Übelkeit und Erbrechen insbesondere bei Reisekrankheit - für Erwachsene & Kinder ab 6 Jahren
Aristo€8.684.4★415 rev
Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)
apo-discounter.de€7.294.0★792 rev
Dorm Schlaftabletten 20 St. Tabletten
Berco-ARZNEIMITTEL€5.694.2★894 rev
DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (3x20 St)
Bodfeld Apotheke€17.654.4★47 rev
Diphenhydraminhydrochlorid STADA 50 mg Tabletten Schlafmittel bei Schlafstörungen schnelleres Ein- und ruhigeres Durchschlafen 20 St
STADA€8.073.8★3 rev
Newest
by launch date
Dormutil N Set 3x 20 Stück Schlaftabletten - Einschlafhilfe langanhaltende Wirkung für einen erholsamen Schlaf
PUREN€14.36468 rev
DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (3x20 St)
Bodfeld Apotheke€17.6547 rev
DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (2x 20 St)
Bodfeld Apotheke€15.723 rev
5337 BH
Naturana€20.9246 rev
Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)
apo-discounter.de€7.29792 rev
Trending
90-day click momentum5337 BH
Naturana€20.923.6★
Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (3x 20 Stück)
apo-discounter.de€14.264.0★
Dormutil N Set 3x 20 Stück Schlaftabletten - Einschlafhilfe langanhaltende Wirkung für einen erholsamen Schlaf
PUREN€14.364.0★
Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)
apo-discounter.de€7.294.0★
Emesan Tabletten 50mg 10 Stück von Aristo Pharma zur Vorbeugung und symptomatischen Behandlung von Übelkeit und Erbrechen insbesondere bei Reisekrankheit - für Erwachsene & Kinder ab 6 Jahren
Aristo€6.154.4★
What buyers say about diphenhydramin
What buyers praise and complain about, mined from review topics.What buyers complain about
“Ich könnte damit nicht schlafen”
Top return reasons
Common questions
- Is diphenhydramin profitable to sell on Amazon Germany?
- The niche generates €34K/yr across 16 tracked products. 90-day search growth is -16.9%. Flapen's verdict: Skip it (47/100).
- How competitive is the diphenhydramin niche?
- 11 brands and 24 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in diphenhydramin?
- Top complaints mined from reviews: Schlafqualität. The return rate is 0.0%.
- What does it cost to enter the diphenhydramin niche?
- Listings span €5.07–€20.92; the average listing price is €10.14 (sweet spot $15–$100). The average incumbent carries 659 reviews — the moat a new listing must climb.