---
title: "L Arginine Powder — $15K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/l-arginine-powder"
last_updated: "2026-08-12T16:03:19.825Z"
locale: en
meta:
description: "Amazon product research for l arginine powder: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for l arginine powder: $15K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "L Arginine Powder — $15K/mo Amazon US Product Research"
---
# **L Arginine Powder**
**Worth a look**
Shows low returns (0.0%), but soft demand (-1.4% this quarter) keeps it on the watch list.
Market size 37Growth 24Conversion 81Competition 35Returns 100Price range 90Avg price 95Brand share 29Review moat 49Quality gap 57
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$24.59**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.85–$47.79**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.6%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,571.26**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$185K**
$185K/yr · 88K searches
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-1.4%**
90-day search growth — must beat 0% to launch
## **Is l arginine powder profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, l arginine powder is a $185K/yr Amazon United States market (88K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **l arginine powder market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$148K–$197K**
- units × avg price
- **Conversion rate**
- **8.6%**
- **Avg BSR**
- **#241**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **88 months**
- **Avg seller age**
- **164 days**
## **Competition: brands, sellers & click share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▼falling
**Sellers**
**23**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**9%**
- Nutricost43% - BulkSupplements27% - L-ARGININE PRO9% - Doctor's BEST5% - Evlution4% - NOW Foods3% - Open — no brand owns it (5 brands, 9%)
## **l arginine powder demand & seasonality**
Weekly Amazon search volume, last 98 weeks — -1.4% search growth over the last 90 days.
3K2KSpike '24Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/l-arginine-powder/trend)
## **Top l arginine powder search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **l arginine powder**40K/yr+0.3%6.7% conv. - **arginine powder**24K/yr-7.0%6.1% conv. - **l-arginine powder**19K/yr+4.8%8.0% conv. - **l arginine powder for men**4K/yr-8.3%5.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/l-arginine-powder/search-terms)
## **Top l arginine powder products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$18K20%$37K30%$55K40%$74K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricost L-Arginine (250 Grams) - Pure L-Arginine Powder - 5000mg Per Serving; 50 Servings**Nutricost**$12.85**4.2★3,820 rev](https://www.amazon.com/dp/B00ZYPT3YK) [2**BulkSupplements.com L-Arginine Powder - L-Arginine Base Arginine 1000mg Arginine Supplement - Nitric Oxide Powder Nitrous Oxide Supplement - Gluten Free 1000mg per Serving 500g (1.1 lbs)**BulkSupplements**$21.19**4.4★3,731 rev](https://www.amazon.com/dp/B00EJTZGZC) [3**Nutricost L-Arginine Powder 500 Grams (1.1lbs) - Pure L-Arginine Powder - 5000mg Per Serving; 100 Servings**Nutricost**$21.72**4.2★3,820 rev](https://www.amazon.com/dp/B00WISWRLW) [4**BulkSupplements.com L-Arginine HCl Powder - Nitric Oxide Supplement Arginine Powder - Unflavored & Gluten Free 5g per Serving 500g (1.1 lbs) (Pack of 1)**BulkSupplements**$21.71**4.5★1,183 rev](https://www.amazon.com/dp/B00NAKBOHU) [5**L-Arginine Pro 5 500mg L Arginine + 1 100mg Citrulline | Nitric Oxide Booster |Supports Pre Workout Energy Blood Flow & Circulation Grape (30 Servings)**L-ARGININE PRO**$39.06**4.4★1,637 rev](https://www.amazon.com/dp/B00D94CIC2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic L-Arginine Pure Powder 500 Gram | Unflavored | Non GMO | Gluten Free | No Additives | 5000mg Per Serving | 100 Servings**Vitamatic**$17.90**29 rev7mo ago](https://www.amazon.com/dp/B0G7KCB6FR) [**Nutricost L-Arginine Complex (Fruit Punch) 60 Servings Gluten-Free**Nutricost**$27.56**94 rev2y ago](https://www.amazon.com/dp/B0CNG3J2F6) [**L Arginine L Citrulline Powder - Invigorating Nitric Oxide Powder with Ideal 1:1 Ratio L-Citrulline & L-Arginine 1000mg Each Per Serving for Enhanced Pumps Energy & Stamina (Unflavored 75 Servings)**Evlution**$18.51**657 rev2y ago](https://www.amazon.com/dp/B0CGRZCQBN) [**PURE ORIGINAL INGREDIENTS L-Arginine Powder (1 lb) Amino Acid No Fillers Dietary Supplement**PURE ORIGINAL INGREDIENTS**$19.94**62 rev4y ago](https://www.amazon.com/dp/B09XSJB61H) [**L-ARGININE PRO | 5 500mg L-Arginine Plus L-Citrulline 1 100mg | Powder Drink Mix | Nitric Oxide Booster | Supports Pre Workout Energy Blood Flow & Circulation for Men & Women**L-ARGININE PRO**$39.01**920 rev8y ago](https://www.amazon.com/dp/B07SPV6VH7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamatic L-Arginine Pure Powder 500 Gram | Unflavored | Non GMO | Gluten Free | No Additives | 5000mg Per Serving | 100 Servings**Vitamatic**$17.90**4.4★**▲ 130%**](https://www.amazon.com/dp/B0G7KCB6FR) [**Nutricost L-Arginine Powder 1KG - Pure L-Arginine 5g Per Serving**Nutricost**$35.75**4.2★**▲ 44%**](https://www.amazon.com/dp/B01GSCXRW6) [**BulkSupplements.com L-Arginine Powder - L-Arginine Base Arginine 1000mg Arginine Supplement - Nitric Oxide Powder Nitrous Oxide Supplement - Gluten Free 1000mg per Serving 500g (1.1 lbs)**BulkSupplements**$21.19**4.4★**▲ 39%**](https://www.amazon.com/dp/B00EJTZGZC) [**Pure Encapsulations L-Arginine - 1 400 mg - Support Nitric Oxide Production - Heart Health & Blood Flow* - Gluten Free & Non-GMO - 180 Capsules**Pure Encapsulations**$47.79**4.7★**▲ 26%**](https://www.amazon.com/dp/B0016RBXE8) [**L Arginine L Citrulline Powder - Invigorating Nitric Oxide Powder with Ideal 1:1 Ratio L-Citrulline & L-Arginine 1000mg Each Per Serving for Enhanced Pumps Energy & Stamina (Unflavored 75 Servings)**Evlution**$18.51**4.5★**▲ 26%**](https://www.amazon.com/dp/B0CGRZCQBN)
**~~View all trending →~~**
## **What reviews say buyers love and hate about l arginine powder**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“reliable product to consider”*
**Ingredients-Overall**9%
*“It has clean ingredients and works great”*
**Value For Money**7%
*“a great value for the money”*
**Blood Pressure**7%
*“- Effective for Blood Pressure: I have noticed real improvements since using this”*
**Efficiency**5%
*“It has been very effective for me”*
**Taste-Overall**5%
*“No weird aftertaste”*
**Ease Of Use**4%
*“free of clutter”*
**Solubility**4%
*“mixes fairly well”*
**Nutritional Content**4%
*“Overall its still a solid basic supplement for the price”*
**Advertised Vs Actual Product**2%
*“As described”*
### **What buyers complain about **
**Taste-Overall**23%
*“This is supposed to be tasteless”*
**Smell**8%
*“a chemical smell”*
**Flavor**5%
*“the flavor experience is rough”*
**Quality-Overall**4%
*“the manufacturer see this message because a repetitive issue like this may be a bad quality control issue”*
**Ingredients-Overall**3%
*“this l-arginine powder may be unflavored”*
**Bitter**3%
*“Slightly bitter”*
**Side Effects**2%
*“for the first couple of weeks I would have diarrhea if I took it”*
**Acid Regulator/Stomach Ache Relief**2%
*“Dont use it if you wanna have diarrhea”*
**Dosage**2%
*“half the dose only on my 3 workout days”*
**Measurement/Reading Accuracy**2%
*“It doesn't come with a measuring scoop you have to buy one separately”*
### **Top return reasons **
**Smell**33%
**Functionality-Overall**33%
**Taste-Overall**33%
## **Common l arginine powder questions**
- **Is l arginine powder profitable to sell on Amazon United States?**
- The niche generates $185K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the l arginine powder niche?**
- 11 brands and 23 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 88% of demand.
- **What do buyers complain about in l arginine powder?**
- Top complaints mined from reviews: Taste-Overall, Smell, Flavor. The return rate is 0.0%.
- **When does demand for l arginine powder peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the l arginine powder niche?**
- Listings span $12.85–$47.79; the average listing price is $24.59 (sweet spot $15–$100). The average incumbent carries 1,571 reviews — the moat a new listing must climb.
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