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L-Citrulline supplements are popular for their potential to boost nitric oxide production, which may improve blood flow and exercise performance. With numerous options available, understanding key factors can help you select a product that aligns with your health goals and delivers optimal results.
Manufactured in the USA from Globally Sourced Ingredients - Dorado Nutrition is proudly a 100% American owned company creating jobs & better futures for all our employees & stakeholders. All of our supplements are manufactured in the USA!
MANUFACTURED IN A GMP CERTIFIED FACILITY - No gluten, no wheat, no dairy, no sugar, no soy, and no yeast. Our capsules are GMP compliant to ensure premium quality. Our supplements are always free from unnecessary additives or preservatives and are...
L-Arginine L-Citrulline Complex - Each serving contains a 1200mg blend of L-Arginine and L-Citrulline, ensuring maximum performance and muscle support during physical activities.
Supports Nitric Oxide Production - Our l arginine supplement for men and women helps support nitric oxide production, which may promote peak performance during exercise and support overall physical vitality.
Exercise Endurance - Fuel your active lifestyle with l-arginine for men and women, formulated to assist with endurance and recovery, helping you stay on top of your fitness goals.
One-Month Supply - With 60 capsules in each bottle, enjoy a convenient 1-month supply, making it easy to integrate this L-Arginine and L-Citrulline supplement into your daily routine for consistent support.
Vegan & Non-GMO - Crafted with vegan and non-GMO ingredients, our L-Arginine capsules are produced to meet high standards, ensuring you get a reliable and hassle-free supplement for your active lifestyle.
EXTRA STRENGTH: This extra strength NOW Sports product has more citrulline (1,200 mg per tablet) than our regular strength product (750 mg per capsule)
NITRIC OXIDE PROMOTER*: Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle functioning along with other amino acids to rid the body of ammonia which is a by-product of protein metabolism*
SUPPORTS HEALTHY IMMUNE SYSTEM*: Citrulline also plays an important role in the healing process and in the maintenance of a healthy immune system*
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)
Packaged in the USA by a family owned and operated company since 1968
Maximize your Potential: Enhance your active lifestyle with our L-Citrulline powder, or Citrulline supplement, designed to support your strength and performance goals. Each serving delivers a substantial 3 grams dose, catering to both fitness enthusiasts...
Versatility for all Lifestyles: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our L-Citrulline powder, in L Citrulline 3000mg, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and...
Optimized in Every Serving: Our L-Citrulline Powder delivers 3000 mg of L-citrulline per serving, providing a simple source of this amino acid to complement your daily nutrition routine. This unflavored citrulline powder is free from unnecessary allergens...
Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
Commitment to Quality: All of our products are crafted in a facility that adheres to rigorous cGMP standards, ensuring the highest level of quality and safety. This dedication guarantees a consistent and reliable supplement you can trust to support your...
Workout + Endurance Support - Our L-Arginine and L-Citrulline complex can aid in protein synthesis and muscle building.
Pumps + Performance - Power up your pumps with L-Arginine. This nitric oxide supplement may help build muscle for increased athletic and workout performance.
Vasodilation Supplement - Our formula supports the production of nitric oxide which can aid in recovery and endurance, and may improve blood flow throughout the body.
Clean Formula - Our L arginine supplements for men & women are made and lab tested in American cGMP facilities with zero fillers so you can supplement in confidence
Why EVL - EVL is a leading name in full stack bodybuilding supplements because we take our quality seriously and only use the finest lab tested performance maximizing ingredieClean Formula - Our L arginine supplements for men & women are made and lab...
L-Arginine L-Citrulline Complex - Each serving contains a 1200mg blend of L-Arginine and L-Citrulline, ensuring maximum performance and muscle support during physical activities.
Supports Nitric Oxide Production - Our l arginine supplement for men and women helps support nitric oxide production, which may promote peak performance during exercise and support overall physical vitality.
Exercise Endurance - Fuel your active lifestyle with l-arginine for men and women, formulated to assist with endurance and recovery, helping you stay on top of your fitness goals.
Two-Month Supply - With 120 capsules per bottle, our L-Arginine and L-Citrulline supplement offers a convenient 2-month supply, providing long-term support for your fitness and wellness goals with ease.
Vegan & Non-GMO - Crafted with vegan and non-GMO ingredients, our L-Arginine capsules are produced to meet high standards, ensuring you get a reliable and hassle-free supplement for your active lifestyle.
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best L-Citrulline Nutritional Supplements
Understanding L-Citrulline Forms
L-Citrulline is available in a few primary forms. The most common is pure L-Citrulline, which is readily absorbed by the body. Another form is Citrulline Malate, which combines L-Citrulline with malic acid. Malic acid plays a role in energy production, so this blend is often favored by athletes seeking enhanced endurance. When choosing, consider whether you prefer a standalone supplement or one that includes malic acid for potential added benefits.
Dosage and Potency
Effective dosages of L-Citrulline can vary, but common recommendations often range from 3 to 6 grams per day. Some studies suggest higher doses may be beneficial for specific outcomes, but it's wise to start with a lower dose and assess your tolerance. Always check the supplement facts label to understand the amount of L-Citrulline per serving. Higher potency doesn't always mean better; consistency and appropriate dosing are key.
Purity and Third-Party Testing
The quality of L-Citrulline supplements can differ significantly. Look for products that clearly state their purity and are free from unnecessary fillers, artificial colors, or allergens. Reputable brands often invest in third-party testing from independent laboratories. This testing verifies the product's potency, purity, and absence of contaminants, providing an extra layer of assurance for consumers.
Additional Ingredients and Formulations
While pure L-Citrulline or Citrulline Malate are the main components, some supplements may include other ingredients. These can range from other amino acids to vitamins or herbal extracts. Consider your overall supplement regimen and whether these additional ingredients complement your goals or might interfere with other supplements you are taking. Opt for formulations that align with your specific health and fitness objectives.
Comparison Tips
Form: Decide between pure L-Citrulline or Citrulline Malate based on your goals (e.g., general health vs. athletic performance).
Dosage: Verify the L-Citrulline content per serving and ensure it falls within recommended ranges (typically 3-6g daily).
Quality Assurance: Prioritize products with clear ingredient lists and evidence of third-party testing for purity and potency.
Added Ingredients: Evaluate any additional components to ensure they support your needs and don't conflict with other supplements.
Frequently Asked Questions
What is L-Citrulline used for?
L-Citrulline is an amino acid that the body uses to produce nitric oxide. Nitric oxide helps to relax blood vessels, which can improve blood flow and may benefit cardiovascular health and exercise performance.
What is the difference between L-Citrulline and Citrulline Malate?
L-Citrulline is the pure amino acid form. Citrulline Malate is a compound that combines L-Citrulline with malic acid, which is involved in energy production. Citrulline Malate is often preferred by athletes for its potential to enhance endurance.
What is a good dosage for L-Citrulline?
Typical daily dosages range from 3 to 6 grams. Some research explores higher doses for specific benefits, but it's generally recommended to start lower to assess tolerance and consult with a healthcare provider for personalized advice.
When is the best time to take L-Citrulline?
For athletic performance, L-Citrulline is often taken about 60-90 minutes before exercise to allow for absorption and peak levels. For general health benefits related to blood flow, it can be taken at any time of day, consistently.
Are there any side effects of taking L-Citrulline?
L-Citrulline is generally considered safe for most individuals when taken at recommended doses. Some people may experience mild digestive upset, such as stomach discomfort or diarrhea, especially at higher intake levels.
Does L-Citrulline require third-party testing?
While not always mandatory, third-party testing is a strong indicator of product quality and safety. It verifies that the supplement contains the stated amount of L-Citrulline and is free from contaminants, providing greater consumer confidence.
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