---
title: "weight gainer — €841K/yr Amazon Germany Niche, Score 64/100 - Flapen"
canonical_url: "https://flapen.com/research/de/drogerie-koerperpflege/weight-gainer"
last_updated: "2026-07-21T07:03:34.755Z"
locale: en
meta:
description: "weight gainer shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "weight gainer shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "weight gainer — €841K/yr Amazon Germany Niche, Score 64/100 - Flapen"
---
# **weight gainer**
**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 75Growth 20Conversion 43Competition 85Returns 100Price range 93Avg price 95Brand share 39Review moat 43Quality gap 76
**Returns**
**Incredible****0.1%**
return rate — above 6% kills the launch gate
**Avg price**
**Incredible****€41.26**
avg listing price — sweet spot $15–$100
**Price range**
**Great****€12.81–€84.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****30%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****€841K**
€841K/yr · 593K searches
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,211.19**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-9.5%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon Germany niche tracking, weight gainer is a €841K/yr Amazon Germany market (593K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 64/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **Market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **€619K–€825K**
- units × avg price
- **Launch success**
- **88%**
- 7 of 8 new (360d)
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **87%**
- **Sponsored**
- **96%**
- **Out of stock**
- **7.2%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **181 days**
## **Competition**
Clicks spread well past the top 5 (30% combined) — an open shelf where new products get seen.
**Brands**
**16 **▼falling
**Sellers**
**59**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**30%**
Top 20: 75%
**Open market**
**15%**
- Optimum Nutrition45% - Mammut Nutrition15% - Weider12% - GEN GERMAN ELITE NUTRITION5% - SAM'S4% - Bulk3% - Open — no brand owns it (10 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.5% search growth over the last 90 days.
15K10KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/de/drogerie-koerperpflege/weight-gainer/trend)
## **Product shelf**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%2%€17K4%€34K6%€50K8%€67K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 47 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mammut Nutrition Crash Weight Gainer Pulver Chocolate 4 5 kg 538 kcal/Shake für Gewichtszunahme 80% Kohlenhydrate 4-Komponenten Protein Ideal für Ausdauer- und Leistungssportler**Mammut Nutrition**€38.56**4.2★1,383 rev](https://www.amazon.de/dp/B000KTTMW8) [2**Optimum Nutrition Serious Mass Weight Gainer Pulver Geschmack Vanille 2.73kg 8 Portionen**Optimum Nutrition**€39.73**4.3★12,550 rev](https://www.amazon.de/dp/B0015R6ZPQ) [3**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Vanille 2.66kg 8 Portionen**Optimum Nutrition**€41.41**4.5★43 rev](https://www.amazon.de/dp/B0FMFJFGLT) [4**Optimum Nutrition Serious Mass Weight Gainer Pulver Geschmack Schokolade 5.45kg 16 Portionen**Optimum Nutrition**€59.55**4.3★15,604 rev](https://www.amazon.de/dp/B000GIPJ0M) [5**Weider Mega Mass 4000 - Weight Gainer Pulver mit 48g Protein & Kreatin pro Portion - Für hohe Kalorienaufnahme - 3kg - Vanille**Weider**€43.95**4.4★1,171 rev](https://www.amazon.de/dp/B004W6M42K)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GEN GERMAN ELITE NUTRITION Clean Weight Gainer - 3 kg**GEN GERMAN ELITE NUTRITION**€39.65**81 rev8mo ago](https://www.amazon.de/dp/B0FWD89HBY) [**GEN GERMAN ELITE NUTRITION Clean Weight Gainer - 3 kg**GEN GERMAN ELITE NUTRITION**€39.82**91 rev8mo ago](https://www.amazon.de/dp/B0FWD1RMTV) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Vanille 2.66kg 8 Portionen**Optimum Nutrition**€41.41**43 rev11mo ago](https://www.amazon.de/dp/B0FMFJFGLT) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Schokolade 5.34kg 16 Portionen**Optimum Nutrition**€63.68**36 rev11mo ago](https://www.amazon.de/dp/B0FMFFH8NJ) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Schokolade 2.66kg 8 Portionen**Optimum Nutrition**€40.63**40 rev11mo ago](https://www.amazon.de/dp/B0FMFK7V1Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BioTechUSA Hyper Mass - Mass Gainer mit Kohlenhydraten & Proteinmischung | Mikronisiertes Kreatin | Glutenfrei 1 kg Schokolade**BioTechUSA**€24.51**4.4★**▲ 225%**](https://www.amazon.de/dp/B00IYSSEWG) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Schokolade 5.34kg 16 Portionen**Optimum Nutrition**€63.68**4.2★**▲ 225%**](https://www.amazon.de/dp/B0FMFFH8NJ) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Vanille 5.33kg 16 Portionen**Optimum Nutrition**€64.17**4.8★**▲ 221%**](https://www.amazon.de/dp/B0FMFHQ11P) [**Optimum Nutrition Serious Mass 2025 Weight Gainer Pulver Geschmack Vanille 2.66kg 8 Portionen**Optimum Nutrition**€41.41**4.5★**▲ 197%**](https://www.amazon.de/dp/B0FMFJFGLT) [**Clean Weight Gainer - 3 kg - Mit komplexen Kohlenhydraten & Protein - Ideal für die Massephase - Pulver zum Masseaufbau und Zunehmen - Vegetarisch - Banana Split Geschmack**GEN GERMAN ELITE NUTRITION**€39.56**4.0★**▲ 152%**](https://www.amazon.de/dp/B0FHBFCQSW)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Geschmack insgesamt**22%
*“schmeckt super”*
**Ernährungs Gehalt**13%
*“Protein”*
**Geschmack**11%
*“Habe Schokogeschmack”*
**Qualität insgesamt**9%
*“Top Produkt”*
**Löslichkeit**6%
*“lässt sich super cremig mixen”*
**Preis-Leistungs-Verhältnis**3%
*“Das Produkt ist für den preis ok”*
**Gewichtsverlust**3%
*“Clean Weight Gainer”*
**Süße**3%
*“Ok. Nicht zu süß, alles ok”*
**Gewichtszunahme**2%
*“Leckerer Weight Gainer, das Preis-Leistungs-Verhältnis stimmt”*
**Gesamtgröße**2%
*“Passt”*
### **What buyers complain about **
**Preis-Leistungs-Verhältnis**12%
*“Preisanstieg”*
**Geschmack insgesamt**12%
*“Ungenießbar”*
**Geschmack**6%
*“Geschmack unvergleichlich schlecht”*
**Süße**5%
*“Sehr süß und sandig im Mund”*
**Ernährungs Gehalt**4%
*“obwohl sie sonst keine typischen Protein- oder Weight-Gainer-Shakes mag.”*
**Löslichkeit**3%
*“Das auflösen lässt auch zu wünschen übrig, selbst nach intensivem schütteln grobe Pulver Stückchen”*
**Textur/Konsistenz – insgesamt**3%
*“Sandige Konsistenz”*
**Verdünnt/wässrig**2%
*“löst sich kaum auf”*
**Geruch**2%
*“Geschmack und Geruch geht gar nicht”*
**Dosierung**2%
*“Portionsangabe nicht praxisnah (–1 Stern).”*
### **Top return reasons **
**Geschmack**25%
**Geschmack insgesamt**13%
**Süße**13%
**Geruch**6%
**Preis-Leistungs-Verhältnis**6%
**Feucht/Trocken**6%
**Kompatibilität – insgesamt**6%
**Funktionalität insgesamt**6%
**beworben Vs Tatsächliches Produkt**6%
**Gesamtgröße**6%
## **Common questions**
- **Is weight gainer profitable to sell on Amazon Germany?**
- The niche generates €841K/yr across 47 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is -9.5%. Flapen's verdict: Worth a look (64/100).
- **How competitive is the weight gainer niche?**
- 16 brands and 59 sellers compete. The top 5 products take 30% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in weight gainer?**
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Geschmack insgesamt, Geschmack. The return rate is 0.1%.
- **When does demand for weight gainer peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the weight gainer niche?**
- Listings span €12.81–€84.97; the average listing price is €41.26 (sweet spot $15–$100). The average incumbent carries 2,211 reviews — the moat a new listing must climb.
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