Best L-Citrulline in 2020 – Top Products Rated


Lcitrulline is an amino acid made by the body. The body converts Lcitrulline to L-arginine, L-arginine improves blood flow. It does so by creating nitric oxide (NO), a gas that helps dilate blood vessels.

  • Keeps your body active
  • Increases the amount of nitric oxide
  • Help heal intestinal diseases
  • Enhances exercise capacity of the body
  • Used in urea cycle disorders
  • May help erectile dysfunction
  • Supports a healthy immune system
  • Helps in neuro-degenerative diseases
  • Changes in growth hormonal levels
  • Improves patients with heart failure
#1 Healthy4LifeOnline - L Citrulline Capsules 1,200mg Per Serving, 210 Count (L-Citrulline Increases Levels of L-Arginine an
  • MADE AND TESTED IN THE USA - Our L-Citrulline capsules are made in the USA and safety tested for heavy metal / microbes in a state of the art New York facility.
  • BOOST L-ARGININE LEVELS – Research shows that L Citrulline may be more effective at increasing levels of L-Arginine in the body when compared to direct L Arginine supplementation.
  • BOOST NITRIC OXIDE LEVELS – L-Citrulline supports the synthesis of Nitric Oxide which may help enhance blood flow, circulation, and the “pump” experienced when lifting weights.
  • REDUCE FATIGUE – Some research suggests L Citrulline may reduce fatigue and improve endurance for aerobic and anaerobic exercise.
#2 Healthy4LifeOnline - Nutricost L-Citrulline 750mg, 180 Capsules - 1500mg Per Serv, Gluten Free
  • 750mg of L-Citrulline Per Capsule, 1500mg Recommended Serving Size
  • 180 Capsules Per Bottle
  • High Quality L-Citrulline, Non-GMO, Gluten Free
  • Made in a GMP Compliant, FDA Registered Facility
  • Non-GMO and Gluten Free
#3 Healthy4LifeOnline - NOW Sports Nutrition, L-Citrulline, Extra Strength 1200 mg, Amino Acid, 120 Tablets
  • 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, a by-product of protein metabolism.
  • CLASSIFICATIONS/CERTIFICATIONS: Informed-Sport/Informed-Choice, Steroid Free, Non-GMO, Kosher, Vegan, Soy Free, Vegan/Vegetarian, Nut Free, Made without Gluten, Dairy Free, Egg Free, Keto Friendly
  • 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
  • Directions: As A Dietary Supplement, Take 1 Tablet 1 To 2 Times Daily Between Meals.
#4 Healthy4LifeOnline - NOW Supplements, L-Citrulline 750 mg, Supports Protein Metabolism*, Amino Acid, 180 Veg Capsules
  • 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.*
  • 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.*
  • CERTIFICATIONS/CLASSIFICATIONS: Dairy Free, Egg Free, Kosher, Made without Gluten, Non-GMO, Nut Free, Soy Free, Vegan/Vegetarian
  • 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
#5 Healthy4LifeOnline - L-Citrulline Powder by BulkSupplements (1 Kilogram)
  • Preworkout and Boost athletic endurance*
  • Support cardiovascular health*
  • Promote heart health*
  • Fortify immune function*
  • Contribute to sexual wellness and aid libido*
#6 Healthy4LifeOnline - L Citrulline 2400 mg | 180 Capsules | Maximum Strength | Non-GMO, Gluten Free L-Citrulline Supplemen
  • BOLD CITRULLINE: Get peak support for your fitness routine from this non-essential Amino Acid!
  • MAXIMUM STRENGTH: Delivers 2,400 mg of L-Citrulline (Free Form) per serving in daily capsules
  • EXPERTLY CRAFTED: Our premium formula is backed by our commitment to purity and potency
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Lactose, Soy, Artificial Flavor, Preservatives and Non-GMO
#7 Healthy4LifeOnline - L-Citrulline DL-Malate 2:1 (500 Grams)
  • Helps boost energy and Preworkout
  • Aids exercise recovery and Supports circulation*
  • Contributes to cardiovascular health and Promotes heart health*
  • Fortifies the immune system and Benefits sexual health*
  • May help aid libido*
#8 Healthy4LifeOnline - Amazing Formulas L Citrulline 2000mg Per Serving 120 Tablets (Non-GMO,Gluten Free) - Promotes Health
  • SUPPORT FOR YOUR WORKOUT L-Citrulline can be converted to L-Arginine in the body to increase nitric oxide levels and enhance circulation. Many pro trainers recommend citrulline supplements for boosting endurance and combating fatigue.
  • CITRULLINE PILLS WITH NO UNWANTED FILLERS Our citrulline caps are made without artificial preservatives, colorants, flavors or additives. It is free of sugar, starch, milk, lactose, soy, gluten, wheat, fish and yeast
  • OPTIMUM DOSAGE Each serving of 2 tablets of our L-Citrulline dietary supplement provides 1000 mg of L-citrulline, making it an optimum and effective dosage
  • QUALITY YOU CAN TRUST All Amazing Formulas products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world. Our product is free of preservatives, artificial colors and artificial sweeteners, making it a great choice dietary supplement
  • PURITY & POTENCY All our products are proudly made in USA with Guaranteed Purity & Potency. We offer best quality products for the best value. All our products are Third Party Tested. We do not compromise on quality
#9 Healthy4LifeOnline - Nutricost L-Citrulline Malate (2:1) Powder (600 Grams)
  • High Quality L-Citrulline Malate 2:1 Ratio
  • 600 Grams Per Bottle
  • 3 Grams of L-Citrulline Malate Per Scoop (197 Servings)
  • Gluten Free and Non-GMO
  • Manufactured In a GMP Compliant, FDA Registered Facility
#10 Healthy4LifeOnline - Doctor's Best L-Citrulline, Non-GMO, Vegan, Gluten Free, Soy Free, 200g
  • Helps support nitric oxide metabolism & vascular health
  • Helps support muscle protein synthesis and relieve muscle fatigue
  • Helps improve circulation & muscle maintenance
  • Non-GMO, Gluten Free, Soy Free, Vegan

10 Benefits of L-Citrulline

The amino acids are the building blocks of protein which in itself is the essential nutrient for the body. The amino acids come in two different types, one is the essential amino acids and other is the non-essential amino acids. L-citrulline is a later type of amino acid. It is produced by the body and plays multiple roles to improve the body conditions. The external food sources of L-citrulline are watermelon, cucumber, pumpkin, melon, and squash. The top 10 functions that it plays in the human body are:

Keeps your body active

The powdered form of L-citrulline supplement is used by many people all around. A study was carried out on 18 men with fatigue. They took the supplement before exercise and reported a reduction in fatigue. The study further showed that the amount of ATP increased in these individuals.

Increases the amount of nitric oxide

The role of nitric oxide in the body is to relax the vessels. The relaxed arteries ensure smooth blood flow and keep the blood pressure within an optimum range. It helps prevent many cardiac diseases.

Help heal intestinal diseases

The experiments show that L-citrulline improves digestive tract conditions. The intestinal diseases like the celiac disease, short bowel disorder, and damage caused to small intestines by radiations are said to improve with the use of this supplement.

Enhances exercise capacity of the body

The University Of Cordoba, Spain carried out a study on the effects of L-citrulline on the improved physical performance of the men. It was found out that one dose of the supplement enhanced the user ability to do flat barbell bench presses.

Used in urea cycle disorders

L-citrulline improves patients with urea cycle disorders by reducing the level of ammonia in the body. It promotes weight gaining and increases protein intake.

May help erectile dysfunction

The issue of erectile dysfunction is common in men these days. The L-citrulline supplements are known for male enhancement with the use of the supplement. The study conducted at the University Of Foggia, Italy shows improved results in men taking this supplement.

Supports a healthy immune system

The immune system is strengthened by proteins and other nutrients. The supplement is known to benefit the cells like neutrophils. It enhances the cell’s fighting function and protects the body from invading agents.

Helps in neuro-degenerative diseases

The neurodegenerative diseases are tough to handle. For such diseases, every option available is a blessing. The experiments to find out L-citrulline effect on Parkinson’s diseases and dementias is under action.

Changes in growth hormonal levels

The L-citrulline is known for increasing the levels of arginine in the body. This action takes place after exercise. The arginine is known for increasing the level of growth hormone by blocking the release of GH inhibiting hormone.

Improves patients with heart failure

One of the main functions of this non-essential amino acid is to protect the patient from worsening heart conditions like heart failure. Its positive role with nitric oxide keeps the vessels dilated. It increases the pumping volume of the heart.

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Content Contributor: Dwayne K

Long time fitness enthusiast and multi-platform fitness blogger. Dwayne brings his passion for online marketing and fitness together in this website. Dwayne has been working out since his days in college and has never stopped. As he's aged, almost 60 now, I've managed to stay off medications by exercising, eating properly and using supplements. Dwayne still works out at the gym 5-6 times a week.

Amazon Best Rated Products - Last Updated on 2020-09-22.

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