---
title: "l citrulline — Niche Verdict: Worth a look (66/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/l-citrulline"
last_updated: "2026-07-14T03:02:40.895Z"
locale: en
meta:
  description: "l citrulline shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "l citrulline shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "l citrulline — Niche Verdict: Worth a look (66/100) | Amazon United States - Flapen"
---

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# **l citrulline**

**Worth a look**

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 97Growth 24Conversion 91Competition 64Returns 100Price range 89Avg price 95Brand share 55Review moat 24Quality gap 37

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Market size**

**Incredible****$4.3M**

$4.3M/yr · 1.6M searches

**Avg price**

**Incredible****$24.70**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****11.0%**

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

**Price range**

**Great****$10.10–$76.27**

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

**Competition**

**Good****47%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****72%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-1.8%**

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

**Review moat**

**Bad****5,971.17**

avg incumbent reviews — the moat a new listing must climb

## **Competition**

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**17 **▲rising

**Sellers**

**30**

**Top-5 brand share**

**72%**

**Open market**

**23%**

- Nutricost32% - BulkSupplements15% - DORADO NUTRITION13% - Kaged7% - NOW Foods5% - HAVASU NUTRITION5%

## **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%4%$171K8%$342K12%$513K16%$685K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 29 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement](https://m.media-amazon.com/images/I/41YtP1Q90yL.jpg)**Nutricost L-Citrulline 2500mg Per Serving 60 Servings 1250mg Per Tablet 120 Tabs - Non-GMO and Gluten Free Supplement**Nutricost**$19.62**4.6★1,055 rev](https://www.amazon.com/dp/B09WCL8N52) [2![L Citrulline 3000mg Supplement (240 Capsules) Support L Arginine & Nitric Oxide Pills - L-Citrulline For Men & Women - Muscle Recovery & Pump Supplement - 3rd Party Tested Vegan Non-GMO - USA Made](https://m.media-amazon.com/images/I/417OXx7cShL.jpg)**L Citrulline 3000mg Supplement (240 Capsules) Support L Arginine & Nitric Oxide Pills - L-Citrulline For Men & Women - Muscle Recovery & Pump Supplement - 3rd Party Tested Vegan Non-GMO - USA Made**DORADO NUTRITION**$17.89**4.5★1,894 rev](https://www.amazon.com/dp/B0BQP44PPS) [3![Nutricost Pure L-Citrulline (Base) Powder (600 Grams)](https://m.media-amazon.com/images/I/41LVeI+90HL.jpg)**Nutricost Pure L-Citrulline (Base) Powder (600 Grams)**Nutricost**$29.47**4.7★3,343 rev](https://www.amazon.com/dp/B01M2DB8V3) [4![Kaged L-Citrulline Powder | Unflavored | Enhanced Pumps | Improve Muscle Vascularity | Nitric Oxide Booster | Supplements for Men & Women | 100 Servings](https://m.media-amazon.com/images/I/41gV24qwFXL.jpg)**Kaged L-Citrulline Powder | Unflavored | Enhanced Pumps | Improve Muscle Vascularity | Nitric Oxide Booster | Supplements for Men & Women | 100 Servings**Kaged**$16.36**4.7★289 rev](https://www.amazon.com/dp/B0C7RFMT56) [5![Nutricost L-Citrulline 500mg 120 Capsules - Gluten Free Non-GMO 1000mg Per Serving (60 Serv)](https://m.media-amazon.com/images/I/41nvH798cJL.jpg)**Nutricost L-Citrulline 500mg 120 Capsules - Gluten Free Non-GMO 1000mg Per Serving (60 Serv)**Nutricost**$12.93**4.5★8,765 rev](https://www.amazon.com/dp/B07H4YS9L7)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![NOW Foods Supplements L-Citrulline 750 mg Supports Protein Metabolism* Amino Acid 240 Veg Capsules](https://m.media-amazon.com/images/I/41QwndJkSHL.jpg)**NOW Foods Supplements L-Citrulline 750 mg Supports Protein Metabolism* Amino Acid 240 Veg Capsules**NOW Foods**$33.83**32 rev2mo ago](https://www.amazon.com/dp/B0GZWRGYFT) [![LincNutri Nitric Oxide Supplements for Men Nitric 1550mg L-Arginine HCl Nitric Oxide Booster for Men L-Citrulline ViNitrox & Oxystorm 3-Pathway Complex with BioPerine 90 Capsules](https://m.media-amazon.com/images/I/41H5GhQUm4L.jpg)**LincNutri Nitric Oxide Supplements for Men Nitric 1550mg L-Arginine HCl Nitric Oxide Booster for Men L-Citrulline ViNitrox & Oxystorm 3-Pathway Complex with BioPerine 90 Capsules**LincNutri**$34.99**65 rev6mo ago](https://www.amazon.com/dp/B0G25W39V9) [![Bucked Up L-Citrulline 200 Capsules | 1500mg Per Serving | Gluten-Free | Non-GMO | Third-Party Tested | Premium Citrulline Supplement for Daily Use - 100 Servings (200 Capsules)](https://m.media-amazon.com/images/I/41Fv8ExabzL.jpg)**Bucked Up L-Citrulline 200 Capsules | 1500mg Per Serving | Gluten-Free | Non-GMO | Third-Party Tested | Premium Citrulline Supplement for Daily Use - 100 Servings (200 Capsules)**Bucked Up**$14.51**51 rev10mo ago](https://www.amazon.com/dp/B0FNBFWQ6L) [![Formulation Factory Heart of Steel Nitric Oxide Supplements for Men & Women Nitric Oxide Booster for Blood Flow & Circulation with L-Citrulline 1000mg L-Arginine CoQ10 & Resveratrol - 120 Capsules](https://m.media-amazon.com/images/I/51+XBAALy7L.jpg)**Formulation Factory Heart of Steel Nitric Oxide Supplements for Men & Women Nitric Oxide Booster for Blood Flow & Circulation with L-Citrulline 1000mg L-Arginine CoQ10 & Resveratrol - 120 Capsules**Formulation Factory**$55.59**665 rev1y ago](https://www.amazon.com/dp/B0DK61GRD2) [![Nugenix Essentials L-Citrulline Supplement for Enhanced Blood Flow and Performance - 1500 mg 60 Capsules](https://m.media-amazon.com/images/I/41MZFPdN2NL.jpg)**Nugenix Essentials L-Citrulline Supplement for Enhanced Blood Flow and Performance - 1500 mg 60 Capsules**Nugenix**$14.64**288 rev1y ago](https://www.amazon.com/dp/B0DHY5SS1F)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![NOW Foods Supplements L-Citrulline 750 mg Supports Protein Metabolism* Amino Acid 240 Veg Capsules](https://m.media-amazon.com/images/I/41QwndJkSHL.jpg)**NOW Foods Supplements L-Citrulline 750 mg Supports Protein Metabolism* Amino Acid 240 Veg Capsules**NOW Foods**$33.83**4.8★**▲ 238%**](https://www.amazon.com/dp/B0GZWRGYFT) [![LincNutri Nitric Oxide Supplements for Men Nitric 1550mg L-Arginine HCl Nitric Oxide Booster for Men L-Citrulline ViNitrox & Oxystorm 3-Pathway Complex with BioPerine 90 Capsules](https://m.media-amazon.com/images/I/41H5GhQUm4L.jpg)**LincNutri Nitric Oxide Supplements for Men Nitric 1550mg L-Arginine HCl Nitric Oxide Booster for Men L-Citrulline ViNitrox & Oxystorm 3-Pathway Complex with BioPerine 90 Capsules**LincNutri**$34.99**4.4★**▲ 126%**](https://www.amazon.com/dp/B0G25W39V9) [![BulkSupplements.com L-Citrulline Capsules - Citrulline Supplement L-Citrulline 3000mg Capsules - Citrulline Pills Gluten Free - 8 Capsules per Serving 240 Capsules (Pack of 1)](https://m.media-amazon.com/images/I/41-56blb8BL.jpg)**BulkSupplements.com L-Citrulline Capsules - Citrulline Supplement L-Citrulline 3000mg Capsules - Citrulline Pills Gluten Free - 8 Capsules per Serving 240 Capsules (Pack of 1)**BulkSupplements**$18.11**4.3★**▲ 79%**](https://www.amazon.com/dp/B0BB8GBTW6) [![Formulation Factory Heart of Steel Nitric Oxide Supplements for Men & Women Nitric Oxide Booster for Blood Flow & Circulation with L-Citrulline 1000mg L-Arginine CoQ10 & Resveratrol - 120 Capsules](https://m.media-amazon.com/images/I/51+XBAALy7L.jpg)**Formulation Factory Heart of Steel Nitric Oxide Supplements for Men & Women Nitric Oxide Booster for Blood Flow & Circulation with L-Citrulline 1000mg L-Arginine CoQ10 & Resveratrol - 120 Capsules**Formulation Factory**$55.59**4.5★**▲ 74%**](https://www.amazon.com/dp/B0DK61GRD2) [![BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Nitric Oxide Supplement - Unflavored & Gluten Free - 3g per Servings 1kg (2.2 lbs) (Pack of 1)](https://m.media-amazon.com/images/I/41nW5xqeP0L.jpg)**BulkSupplements.com L-Citrulline Powder - Citrulline Supplement Nitric Oxide Supplement - Unflavored & Gluten Free - 3g per Servings 1kg (2.2 lbs) (Pack of 1)**BulkSupplements**$33.31**4.7★**▲ 72%**](https://www.amazon.com/dp/B00NBCVVWA)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 102 weeks — -1.8% search growth over the last 90 days.

40K30KPrime Day '24Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**18%

*“Excellent product”*

**Value For Money**8%

*“Fair price”*

**Energy Level**7%

*“it really boosts my energy”*

**Blood Pressure**6%

*“Great BP support”*

**Vitamin**6%

*“Excellent Supplement”*

**Advertised Vs Actual Product**4%

*“AS DESCRIBED”*

**Efficiency**4%

*“Effective”*

**Heart Health**4%

*“I like that it supports heart health”*

**Ingredients-Overall**3%

*“clean ingredients”*

**Nutritional Content**3%

*“Easy Addition to My Daily Wellness Routine”*

### **What buyers complain about **

**Functionality-Overall**11%

*“Didn't work”*

**Taste-Overall**9%

*“The taste was extremely bitter”*

**Value For Money**6%

*“Waste of money”*

**Quality-Overall**5%

*“definitely poor quality controls”*

**Side Effects**5%

*“Avoid - bad side effects”*

**Dosage**4%

*“fails to tell you it takes 4 capsules to equal that dose”*

**Size-Overall**3%

*“These are way too big”*

**Vitamin**3%

*“All vitamin supplements are a bit over priced”*

**Ingredients-Overall**3%

*“but lo and behold when I re-read the ingredients in the new bottle I immediately cancelled it”*

**Advertised Vs Actual Product**2%

*“It seems deceiving to me”*

### **Top return reasons **

**Advertised Vs Actual Product**25%

**Size-Overall**17%

**Leak-Proof**17%

**Quality-Overall**17%

**Certifications**17%

**Side Effects**8%