Is l arginin profitable to sell on Amazon Germany?

The niche generates €1.5M/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.7%. Flapen's verdict: Worth a look (54/100).

How competitive is the l arginin niche?

8 brands and 6 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in l arginin?

Top complaints mined from reviews: Dosierung, Funktionalität insgesamt, Preis-Leistungs-Verhältnis. The return rate is 0.1%.

When does demand for l arginin peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the l arginin niche?

Listings span €14.97–€26.02; the average listing price is €20.29 (sweet spot $15–$100). The average incumbent carries 6,334 reviews — the moat a new listing must climb.

l arginin

Worth a look

Shows low returns (0.1%), but a concentrated shelf (top 5 take 83% of clicks) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.3%

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

Price range

Incredible€14.97–€26.02

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

Avg price

Great€20.29

avg listing price — sweet spot $15–$100

Market size

Great€1.5M

€1.5M/yr · 608K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay89%

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

Review moat

Bad6,334.27

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-20.7%

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

Competition

Bad83%

top-5 click share — a locked-up shelf

According to Flapen's Amazon Germany niche tracking, l arginin is a €1.5M/yr Amazon Germany market (608K searches/yr). The top 5 brands hold 89% of demand. Verdict: Worth a look — 54/100.

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

l arginin market data

Units sold / yr: 60K–80K; avg 4,000–5,000/product
Revenue / yr: €1.2M–€1.6M; units × avg price
Conversion rate: 12.3%
Avg BSR: #11
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 7.7%
Avg brand age: 71 months
Avg seller age: 181 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

ProFuel47%
natural elements21%
NatureWell8%
Feel Natural7%
GEN GERMAN ELITE NUTRITION6%
Nature Love5%
Open — no brand owns it (2 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top l arginin search terms

l arginin186K/yr -14.0%9.4% conv.
arginin137K/yr -20.5%6.8% conv.
l-arginin79K/yr -18.9%9.0% conv.
l arginin kapseln hochdosiert77K/yr -25.9%11.1% conv.
arginin kapseln hochdosiert47K/yr -40.8%10.0% conv.
l-arginin kapseln hochdosiert18K/yr -35.8%14.0% conv.
l arginine7K/yr +7.2%4.9% conv.
arginin kapseln13K/yr -38.8%6.9% conv.
arginine6K/yr +23.4%3.5% conv.
l-arginine5K/yr -10.4%4.9% conv.

All search terms

Top l arginin 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

L-Arginin 360 Kapseln vegan - mit 6000 mg hochwertigem L-Arginin aus Fermentation (davon 6000 mg reines L-Arginin) je Tagesdosis - L-Arginin in Base-Form - laborgeprüft mit Zertifikat - vegan

ProFuel€15.194.5★2,173 rev

natural elements L-Arginin 365 Kapseln Hochdosiert: 4.500mg veganes L-Arginin HCL pro Tagesdosis (3.750mg reines L-Arginin) hochdosiert in Deutschland hergestellt & laborgeprüft

natural elements€24.744.5★9,114 rev

L-Arginin + L-Citrullin-Malat Kapseln 360x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan

ProFuel€15.234.6★867 rev

L-Arginin 360 Kapseln vegan - mit 6000 mg L-Arginin aus pflanzlicher Fermentation (davon 6000mg reine L-Arginin Aminosäure) je Tagesdosis - laborgeprüft mit Zertifikat - 100% vegan

NatureWell€15.064.5★641 rev

L-Arginin - 365 vegane Kapseln - 4500mg pflanzliches L Arginin HCL aus Fermentation (davon 3750mg pur) je Tagesdosis - Hochdosiert ohne Zusätze laborgeprüft in Deutschland produziert

Feel Natural€21.454.5★2,245 rev

Newest

by launch date

L-Arginin Supplement für Männer | NO (Stickstoffmonoxid) Booster für Training & Ausdauer | L-Arginin L-Citrullin Komplex mit Sauerkirsche die Gesundheit von Männern| Ohne Gentechnik | 60 Kapseln

HAVASU NUTRITION€14.9746,769 rev

12mo ago

vit4ever L-Arginin - 365 Kapseln - 6000 mg reines L-Arginin pro Tagesdosis

Vit4ever€18.77787 rev

1y ago

L-Arginin + L-Citrullin-Malat Kapseln 360x - optimal hochdosiert mit 6000 mg pro Tag aus L-Arginin (2400 mg) + L-Citrullin-Malat (3600 mg) - laborgeprüft mit Zertifikat - vegan

ProFuel€15.23867 rev

2y ago

L-Arginin 360 Kapseln vegan - mit 6000 mg L-Arginin aus pflanzlicher Fermentation (davon 6000mg reine L-Arginin Aminosäure) je Tagesdosis - laborgeprüft mit Zertifikat - 100% vegan

NatureWell€15.06641 rev

2y ago

L-Arginin 360 Kapseln vegan - mit 6000 mg hochwertigem L-Arginin aus Fermentation (davon 6000 mg reines L-Arginin) je Tagesdosis - L-Arginin in Base-Form - laborgeprüft mit Zertifikat - vegan

ProFuel€15.192,173 rev

6y ago

What buyers say about l arginin

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

What buyers love

Qualität insgesamt31%

“Super Produkt”

Preis-Leistungs-Verhältnis12%

“Günstig”

Blutdruck9%

“Blutdruck stabilisiert”

beworben Vs Tatsächliches Produkt6%

“Macht seinen job”

Effizienz5%

“Wirkt”

Dosierung4%

“Die Kombination aus L-Arginin und L-Citrullin im 1:1-Verhältnis ist aus meiner Sicht ideal und sinnvoll dosiert”

Linderung von Muskelschmerzen3%

“Muskelaufbau”

Herzgesundheit3%

“Reguliert auf natürliche Weise den Blutdruck”

Vitamin2%

“„Sehr gute Vitamine, klare Empfehlung“”

Ernährungs Gehalt2%

“Power Food”

What buyers complain about

Dosierung19%

“6000mg hört sich zunächst unschlagbar an”

Funktionalität insgesamt10%

“keine nennenswerte Wirkung”

Preis-Leistungs-Verhältnis6%

“Geldverschwendung”

beworben Vs Tatsächliches Produkt6%

“Absolut irreführend”

Geruch6%

“Stinkt und Geschmack unerträglich”

Säureregulator/Linderung von Magenschmerzen5%

“Magenprobleme”

Gesamtgröße5%

“Kapseln sind etwas gross”

Blutdruck4%

“aber das der Blutdruck etwas runtergeht, ob es nun nur daran liegt oder nicht kann ich noch nicht sagen.”

Inhaltsstoffe – insgesamt4%

“Heimliche Zutat Siliciumdioxid”

Reguliert die Verdauung4%

“Nach der Einnahme schlecht zu verdauen”

Common questions

Is l arginin profitable to sell on Amazon Germany?: The niche generates €1.5M/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.7%. Flapen's verdict: Worth a look (54/100).
How competitive is the l arginin niche?: 8 brands and 6 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in l arginin?: Top complaints mined from reviews: Dosierung, Funktionalität insgesamt, Preis-Leistungs-Verhältnis. The return rate is 0.1%.
When does demand for l arginin peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the l arginin niche?: Listings span €14.97–€26.02; the average listing price is €20.29 (sweet spot $15–$100). The average incumbent carries 6,334 reviews — the moat a new listing must climb.