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October 17, 2025L-citrulline is an amino acid that your body converts into L-arginine and nitric oxide, helping to improve blood flow and support cardiovascular health. It's widely used to enhance athletic performance, reduce muscle fatigue, and boost endurance during workouts. Choosing the best L-citrulline supplements can help you maximize these benefits while ensuring optimal absorption and purity. Explore our top picks for the best L-citrulline supplements in Canada!

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
- 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 support 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.
- 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.
- Value Sized and Convenient - Stop making a mess using l-citrulline in a powder form! Each bottle contains 180 capsules to ensure you can support building lean muscle tissue when combined with regular training 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!
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We picked Herba L-Citrulline Capsules 750mg because it offers an exceptional combination of potency, purity, and Canadian quality. This supplement stands out with its generous 3,000mg per serving of pure L-citrulline, which is significantly higher than many competitors, allowing your body to produce more nitric oxide for enhanced blood flow and workout performance. What truly sets Herba apart is its Canadian credentials—it's manufactured in Canada, holds a Natural Product Number (NPN) from Health Canada, and undergoes rigorous third-party testing to ensure quality and safety. The vegetable capsules are clean and suitable for various dietary preferences, while the 180-capsule bottle provides excellent value for serious athletes and fitness enthusiasts. For Canadians seeking a high-potency, locally-made L-citrulline supplement backed by regulatory approval and independent testing, Herba delivers exceptional quality you can trust.

L Citrulline Powder 2000mg | Vasodilation & Workout Support for Pumps & Performance | Unflavored L-Citrulline Powder | Nitric Oxide Supplements for Men | Gluten-Free & Made in Canada | 100 Servings
Evlution Nutrition
- L CITRULLINE 2000MG: L-Citrulline converts into L Arginine in the body, helping to support sustained nitric oxide production. Our formula delivers a powerful 2000mg per serving, promoting healthy vasodilation for increased muscle pumps and workout performance.
- INCREASES NITRIC OXIDE FOR VASODILATION: As a potent nitric oxide booster, L Citrulline supports healthy circulation during training. Give your muscles the blood flow support they need, for bigger pumps, improved endurance, and stronger training sessions.
- POTENT PRE-WORKOUT SUPPORT: By promoting vasodilation and endurance, L Citrulline helps muscles perform at a higher level during intense exercise. Whether you're lifting, sprinting, or crushing high-intensity sessions, L-Citrulline supports athletic performance.
- UNFLAVORED POWDER: Our pure L Citrulline powder is completely tasteless, and dissolves quickly. Rapidly absorbed, and stomach-friendly, it’s easy to stack with your favorite pre-workout, or use on its own for focused pump and performance support.
- MADE IN CANADA: Evlution Nutrition’s L-Citrulline nitric oxide supplements for men are proudly Made in Canada. L-Citrulline for men is Vegan, Gluten-Free, and manufactured in a facility that adheres to cGMP guidelines.

L-Arginine 590 mg, L-Citrulline 266 mg & Beetroot (Per Serving: 2 Capsules) – 3-in-1 Nitric Oxide, Circulation & Energy – 180 Vegan Capsules – Made in Canada
Evernate
- 3-in-1 Nitric Oxide Support with L-Arginine, L-Citrulline & Beetroot Powder This powerful 3-in-1 nitric oxide support formula combines L-Arginine, L-Citrulline, and Beetroot Powder to support circulation, energy, and endurance. Our arginine and citrulline complex works synergistically with beet root to promote healthy blood flow—a natural choice for those seeking effective beetroot capsules or a clean beet root supplement.
- High-Potency L-Arginine + L-Citrulline Complex for Energy & Stamina Formulated for those seeking natural support for circulation and performance, this clean blend delivers 590mg of L-Arginine and 266mg of L-Citrulline per 2 capsules. Together, they promote nitric oxide support to help with stamina, energy, and blood flow — no fillers, just results.
- Support Energy, Circulation & Muscle Endurance Whether you're training hard or staying active daily, this formula helps support healthy blood flow, oxygen delivery, and performance. L-arginine, citrulline, and beet root powder work in harmony to help power your workouts and recovery—making it an ideal choice for those seeking natural nitric oxide support without stimulants.
- Clean, Vegan & Made in Canada Crafted with care in a Health Canada–licensed, GMP-certified facility, our 180 vegan capsules are made with beet root powder, l-arginine, and l-citrulline, using only clean, non-GMO ingredients. Free from artificial additives and fillers, this is a premium beet powder supplement you can trust—proudly Made in Canada.
- Trusted Quality with Every Capsule Every batch is third-party tested for purity, potency, and consistency. Whether you're searching for a reliable beet root supplement, beetroot capsules, or a performance-focused nitric oxide blend, our formula is designed to deliver clean, effective results—backed by science and made to support your active lifestyle.

L-Arginine & L-Citrulline Supplement | Stamina, Endurance, Workout & Performance Support for Men | 590 mg L Arginine + L Citrulline 266 mg | Made in Canada, 3rd-Party Tested | 120 Nitric Oxide Pills
Havasu
- SUPERIOR PERFORMANCE FORMULA: Each L-Arginine Complex capsule contains 450 mg of performance-boosting ingredients to promote nitric oxide production and help you get more out of every workout.*
- NITRIC OXIDE SUPPLEMENT: Each serving contains over 590mg of L-Arginine and 266mg of L-Citrulline (which is converted to L-Arginine in the body).* These amino acids work together to support nitric oxide production and encourage muscle protein synthesis.*
- PRE-WORKOUT ENERGY: Our nitric oxide supplements for men with Beet Root Powder are designed to support more power, high energy, and endurance during exercise.*
- WORK HARD, RECOVER FAST: By supporting nitric oxide levels with amino acids, you give your muscles the nutrients they need to perform at their peak and recover, long after leaving the gym.*
- MADE IN CANADA: L- Arginine supplement by Havasu Nutrition is Made in Canada, Third-Party Tested, Vegan, and our capsules are manufactured in a facility that adheres to cGMP guidelines.

Nutricost Pure L-Citrulline (Base) Powder (600 Grams)
Nutricost
- Workout Support: Ideal for enhancing your workout routine, helping you get the most out of your exercise sessions.
- 600 Grams Per Container: Provides a generous supply of L-Citrulline, supporting long-term use and consistency in your fitness regimen.
- No-Flavor Added: This unflavored (natural, no flavoring added) powder mixes easily with any drink, providing a flexible addition to your nutrition plan.
- Non-GMO: Made without genetically modified organisms, ensuring a supplement free from unnecessary additives.
- Gluten-Free: Suitable for those with gluten sensitivities, making it accessible to a variety of dietary needs.
