---
title: "Diphenhydramin — €34K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/diphenhydramin"
last_updated: "2026-08-10T07:34:58.082Z"
locale: en
meta:
description: "Niche score 47/100 · €34K/yr market · 35K searches/yr · €10.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · €34K/yr market · 35K searches/yr · €10.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Diphenhydramin — €34K/yr Amazon DE Niche (2026) - Flapen"
---
# **diphenhydramin**
**Skip it**
A small market ($34K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 17Conversion 85Competition 32Returns 100Price range 37Avg price 35Brand share 38Review moat 71Quality gap 88
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Great****9.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****659.13**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****€5.07–€20.92**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****€10.14**
avg listing price — sweet spot $15–$100
**Competition**
**Okay****66%**
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 ~~](https://flapen.com/research/methodology)
## **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.
1K750Spike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/de/drogerie-koerperpflege/diphenhydramin/trend)
## **Top diphenhydramin search terms**
- **diphenhydramin**15K/yr-22.9%8.4% conv. - **emesan tabletten 50 stk**5K/yr+25.1%17.8% conv. - **emesan**5K/yr-1.9%12.2% conv. - **diphenhydramin 50 mg**6K/yr-33.5%14.5% conv. - **diphenhydraminhydrochlorid**5K/yr-36.6%12.6% conv. [**All search terms **](https://flapen.com/research/de/drogerie-koerperpflege/diphenhydramin/search-terms)
## **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.
0%10%€3K20%€7K30%€10K40%€14K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**€8.68**4.4★415 rev](https://www.amazon.de/dp/B00E4ZOT4U) [2**Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)**apo-discounter.de**€7.29**4.0★792 rev](https://www.amazon.de/dp/B0BXPC998D) [3**Dorm Schlaftabletten 20 St. Tabletten**Berco-ARZNEIMITTEL**€5.69**4.2★894 rev](https://www.amazon.de/dp/B008YFFV98) [4**DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (3x20 St)**Bodfeld Apotheke**€17.65**4.4★47 rev](https://www.amazon.de/dp/B0D63BC6BM) [5**Diphenhydraminhydrochlorid STADA 50 mg Tabletten Schlafmittel bei Schlafstörungen schnelleres Ein- und ruhigeres Durchschlafen 20 St**STADA**€8.07**3.8★3 rev](https://www.amazon.de/dp/B0F2NC29LG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dormutil N Set 3x 20 Stück Schlaftabletten - Einschlafhilfe langanhaltende Wirkung für einen erholsamen Schlaf**PUREN**€14.36**468 rev1y ago](https://www.amazon.de/dp/B0FGQKP1BJ) [**DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (3x20 St)**Bodfeld Apotheke**€17.65**47 rev1y ago](https://www.amazon.de/dp/B0D63BC6BM) [**DIPHENHYDRAMINHYDROCHLORID STADA 50 mg Tabletten (2x 20 St)**Bodfeld Apotheke**€15.72**3 rev1y ago](https://www.amazon.de/dp/B0D6393NH4) [**5337 BH**Naturana**€20.92**46 rev2y ago](https://www.amazon.de/dp/B0BXDQ33M3) [**Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)**apo-discounter.de**€7.29**792 rev3y ago](https://www.amazon.de/dp/B0BXPC998D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**5337 BH**Naturana**€20.92**3.6★**▲ 339%**](https://www.amazon.de/dp/B0BXDQ33M3) [**Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (3x 20 Stück)**apo-discounter.de**€14.26**4.0★**▲ 338%**](https://www.amazon.de/dp/B0GXVHGDGQ) [**Dormutil N Set 3x 20 Stück Schlaftabletten - Einschlafhilfe langanhaltende Wirkung für einen erholsamen Schlaf**PUREN**€14.36**4.0★**▲ 300%**](https://www.amazon.de/dp/B0FGQKP1BJ) [**Apodiscounter Schlaftabletten Diphenhydramin 50 mg - Effektive Hilfe zum Einschlafen und bei Durchschlafstörungen - (1x 20 Stück)**apo-discounter.de**€7.29**4.0★**▲ 134%**](https://www.amazon.de/dp/B0BXPC998D) [**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**€6.15**4.4★**▲ 78%**](https://www.amazon.de/dp/B00E5Y3DWY)
**~~View all trending →~~**
## **What buyers say about diphenhydramin**
What buyers praise and complain about, mined from review topics.
### **What buyers complain about **
**Schlafqualität**100%
*“Ich könnte damit nicht schlafen”*
### **Top return reasons **
**Schlafqualität**20%
**Funktionalität insgesamt**20%
**Inhaltsstoffe – insgesamt**20%
**Alterseignung**20%
**Komfort insgesamt**10%
**Gesamtgröße**10%
## **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.
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