---
title: "L Arginine — $127K/yr Amazon SA Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/sa/health/l-arginine"
last_updated: "2026-08-08T06:06:00.505Z"
locale: en
meta:
description: "Niche score 42/100 · $127K/yr market · 24K searches/yr · $111.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $127K/yr market · 24K searches/yr · $111.65 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "L Arginine — $127K/yr Amazon SA Niche (2026) - Flapen"
---
# **l arginine**
**Skip it**
Soft demand (-35.6% this quarter) — this niche doesn't clear our bar today.
Market size 29Growth 7Conversion 57Competition 21Returns 96Price range 27Avg price 71Brand share 41Review moat 46Quality gap 70
**Returns**
**Incredible****0.9%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****$111.65**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,850.08**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$127K**
$127K/yr · 24K searches
**Price range**
**Okay****$49.62–$234.48**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-35.6%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=sa&signal=high_price "Avg price > $50")
According to Flapen's Amazon Saudi Arabia niche tracking, l arginine is a $127K/yr Amazon Saudi Arabia market (24K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 42/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **l arginine market data**
- **Units sold / yr**
- **500–750**
- avg 0–100/product
- **Revenue / yr**
- **$56K–$84K**
- units × avg price
- **Conversion rate**
- **4.8%**
- **Avg BSR**
- **#141**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **0%**
- **Out of stock**
- **1.1%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **65 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **—flat
**Sellers**
**24**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**14%**
- Nutricost32% - NOW16% - Force Factor13% - 21st Century11% - NOW FOODS8% - California Gold Nutrition6% - Open — no brand owns it (4 brands, 14%)
## **Demand**
Weekly Amazon search volume, last 42 weeks — -35.6% search growth over the last 90 days.
800600Spike '25Black Friday '25Spike '26Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/sa/health/l-arginine/trend)
## **Top l arginine search terms**
- **l arginine**9K/yr-19.4%2.5% conv. - **l-arginine**7K/yr-51.7%3.0% conv. - **ارجنين**4K/yr-38.6%0.8% conv. - **l arginine for men**4K/yr-100.0%0.0% conv. [**All search terms **](https://flapen.com/research/sa/health/l-arginine/search-terms)
## **Top l arginine 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%$13K20%$25K30%$38K40%$51K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricost L-Arginine L-Citrulline Complex 750mg 120 Capsules - Non-GMO**Nutricost**$80.10**4.5★1,133 rev](https://www.amazon.sa/dp/B0897XG1VQ) [2**L-Arginine 1 000 mg Amino Acid Pack of 120 Tablets**NOW**$108.35**4.3★73 rev](https://www.amazon.sa/dp/B09SWQ96BK) [3**Force Factor L-Arginine 150 Capsules**Force Factor**$86.02**4.4★2,327 rev](https://www.amazon.sa/dp/B08WJSBK1G) [4**21st Century L-Arginine 1 000mg 100 Tablets**21st Century**$83.76**4.6★372 rev](https://www.amazon.sa/dp/B001RN5OBE) [5**NOW Foods L-Arginine 1 000 mg 120 Tablets**NOW FOODS**$92.39**3.5★3 rev](https://www.amazon.sa/dp/B00TDF73NK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NOW Foods L-Arginine 1 000 mg 120 Tablets**NOW FOODS**$92.39**3 rev11mo ago](https://www.amazon.sa/dp/B00TDF73NK) [**Nutricost L-Arginine L-Citrulline Complex 750mg 120 Capsules - Non-GMO**Nutricost**$80.10**1,133 rev1y ago](https://www.amazon.sa/dp/B0897XG1VQ) [**Evlution Nutrition L-Arginine + L-Citrulline - Endurance + Workout Performance Supplement - 2000mg Complex - Vasodilation + Nitric Oxide Support - Vegan + Gluten Free Powder - 75 Servings**Evlution**$114.73**623 rev2y ago](https://www.amazon.sa/dp/B0CGRZCQBN) [**Nutricost L-Arginine L-Citrulline Complex 750mg - GMO-Free - Gluten-Free - 240 Capsules**Nutricost**$174.97**2,178 rev3y ago](https://www.amazon.sa/dp/B0897XWNM7) [**Force Factor L-Arginine 150 Capsules**Force Factor**$86.02**2,327 rev3y ago](https://www.amazon.sa/dp/B08WJSBK1G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nutricost L-Arginine L-Citrulline Complex 750mg - GMO-Free - Gluten-Free - 240 Capsules**Nutricost**$174.97**4.5★**▲ 211%**](https://www.amazon.sa/dp/B0897XWNM7) [**L-Arginine 4000mg | 120 Caplets | Maximum Strength Nitric Oxide Precursor | Vegetarian Non-GMO Gluten Free Supplement | by Horbaach**Horbäach**$234.48**4.4★**▲ 201%**](https://www.amazon.sa/dp/B07VMZT65N) [**Natures Bounty L-Arginine 1000mg 50 tablets**Nature's Bounty**$158.95**4.5★**▲ 99%**](https://www.amazon.sa/dp/B002QMEY84) [**21st Century L-Arginine 1 000mg 100 Tablets**21st Century**$83.76**4.6★**▲ 44%**](https://www.amazon.sa/dp/B001RN5OBE) [**Nutricost L-Arginine L-Citrulline Complex 750mg 120 Capsules - Non-GMO**Nutricost**$80.10**4.5★**▲ 17%**](https://www.amazon.sa/dp/B0897XG1VQ)
**~~View all trending →~~**
## **Common questions**
- **Is l arginine profitable to sell on Amazon Saudi Arabia?**
- The niche generates $127K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -35.6%. Flapen's verdict: Skip it (42/100).
- **How competitive is the l arginine niche?**
- 10 brands and 24 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 80% of demand.
- **What does it cost to enter the l arginine niche?**
- Listings span $49.62–$234.48; the average listing price is $111.65 (sweet spot $15–$100). The average incumbent carries 1,850 reviews — the moat a new listing must climb.
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