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5 Best L Citrulline Supplements of 2025

Last Updated - 2025/05/27

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

TESTED NUTRITION

Tested Nutrition L-Citrulline Powder | 3g Pure Fermented L-Citrulline | Nitric Oxide Booster, Increased Muscle Pumps, Improved Strength, Recovery & Endurance | 120 Servings, 360G (Unflavoured)

TESTED NUTRITION

CA$49.99

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Main highlights
- Versatile & Easy to Use: Mix Tested Nutrition L-Citrulline Powder into your favorite pre-workout drink for a convenient and effective way to increase nitric oxide, improve strength, and enhance performance. L-Citrulline can also be used alone as a stimulant free pre workout powder
- Supports Muscle Recovery: L-Citrulline supplementation enhances blood flow to muscles, delivering vital nutrients and oxygen which works to reduce muscle soreness and fatigue, improving recovery time post-exercise, helping you bounce back faster and get back to your training regimen
- Pure Fermented L-Citrulline Powder: Tested Nutrition L-Citrulline Powder features Pure Fermented L-Citrulline, delivering the amino acid in its isolated form without the addition of malic acid found in citrulline malate. L-Citrulline works to increase nitric oxide production and improve blood flow leading to muscle growth, strength, endurance, and recovery
- Nitric Oxide Booster: Pure L-Citrulline converts to L-arginine in the body, increasing nitric oxide production and improving circulation, leading to intense muscle pumps and increasing athletic performance, strength, and muscle fullness
- Increased Endurance: L-Citrulline not only increases muscle pumps, but also works to enhance exercise endurance by supporting efficient blood flow and oxygen delivery to muscles, reducing fatigue during exercise and allowing athletes to train harder, for longer
CA$49.99
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

One Brand Nutrition

One Brand Nutrition L-Citrulline Malate Powder 100% PURE Vegan (500g) | 200 Servings

One Brand Nutrition

CA$48.99

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Main highlights
- Nitric oxide (NO) enhancer
- Helps with recovery of muscular performance
- Helps both resistance and high-intensity exercise performance
- Gluten-Free & 100% Pure Vegan
- 2:1 Citrulline Malate (2:1 ratio of citrulline to the organic salt, malate)
CA$48.99
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

NOW

NOW Supplements L-Citrulline 750mg Capsules, 90 Count

NOW

CA$26.17

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Main highlights
- VEGAN CAPSULES/HEALTHY IMMUNE SYSTEM FUNCTION*: Citrulline also plays an important role in the healing process and in the maintenance of a healthy immune system.*
- SUPPORTS PROTEIN METABOLISM*: This non-essential amino acid is an important intermediate in the urea cycle, functioning along with other amino acids to rid the body of ammonia, a byproduct of protein metabolism.*
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- FAMILY OWNED & OPERATED: Proudly packaged in Canada by a family owned and operated company.
- CERTIFICATIONS/CLASSIFICATIONS: Dairy Free, Egg Free, Kosher, Made without Gluten, Non-GMO, Nut Free, Soy Free, Vegan/Vegetarian
CA$26.17
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Herba

Herba L-Citrulline Capsules 750mg – 180 Vegetable Capsules | 3,000mg Per Serving | Pure L Citrulline Nitric Oxide Supplement | NPN from Health Canada | Made & 3rd Party Tested in Canada

Herba

CA$37.97

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Main highlights
- Value Sized and Convenient - Stop making a mess using l-citrulline in a powder form! Each bottle contains 180 capsules to ensure you can keep your blood flow and body fueled for a long time!
- Tested for Quality - Our pure l citrulline capsules are made in Canada following cGMP manufacturing standards, received NPN from Health Canada, and every batch third party tested for microbial contamination and heavy metals. Buy with confidence: if you are not completely satisfied, contact us directly for a hassle-free resolution!
- Pure L-Citrulline - Each capsule contains pure L-citrulline, the pure form of citrulline. Our supplements do not contain cheap citrulline malate which is a combination of citrulline and malic acid.
- Powerful L-Citrulline Supplement - Take 1 serving (4 capsules) once a day, and experience the power of 3,000mg of l-citrulline per serving, helping to enhance your workouts and take your training to the next level!
- Amino Acid Powerhouse - L-citrulline is a precursor to l-arginine supplement, a source of non-essential amino acid that is involved in muscle protein synthesis.
CA$37.97
5
Best Value
13% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ALLMAX
13% Off

ALLMAX Nutrition - 2:1 Citrulline+ Malate - 300 Gram, 300-Gram

ALLMAX

CA$34.56

CA$39.99
(13% Off)

More Details
Main highlights
- Optimizes BCAA utilization during workouts
- Lab Tested & Certified, Guaranteed
- Increases growth hormone
- Improves recovery
- Elevates muscle protein and creatine synthesis
CA$34.56
CA$39.99 (13% Off)

5 Best L Citrulline Supplements of 2025

Tested Nutrition L-Citrulline Powder | 3g Pure Fermented L-Citrulline | Nitric Oxide Booster, Increased Muscle Pumps, Improved Strength, Recovery & Endurance | 120 Servings, 360G (Unflavoured)

One Brand Nutrition L-Citrulline Malate Powder 100% PURE Vegan (500g) | 200 Servings

NOW Supplements L-Citrulline 750mg Capsules, 90 Count

Herba L-Citrulline Capsules 750mg – 180 Vegetable Capsules | 3,000mg Per Serving | Pure L Citrulline Nitric Oxide Supplement | NPN from Health Canada | Made & 3rd Party Tested in Canada

ALLMAX Nutrition - 2:1 Citrulline+ Malate - 300 Gram, 300-Gram

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