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2018's 10 Best
L-Citrulline Supplements

Boost Nitric Oxide With L-Citrulline

Nitric Oxide is vital for dilating blood vessels, which creates muscle pumps and increased blood flow to deliver nutrients to muscle tissue. This increase in nutrients and oxygen help raise performance, stamina, and energy. Let’s examine L-Citrulline, and discover why it’s necessary in any Nitric Oxide boosting supplement or pre-workout.

L-Citrulline is an amino acid that is a both a precursor and by-product of the amino acid L-Arginine. L-Citrulline is a key player in the Nitric Oxide cycle, and is created when Arginine is converted into Nitric Oxide. Citrulline then gets converted back to Arginine via Arginosuccinate, and is ready to complete the cycle all over again, helping ultimately raise Nitric Oxide serum levels.

This makes L-Citrulline a necessary component in any Nitric Oxide boosting product, even if you are already supplementing with Arginine.

With our comprehensive list of the top 10 best L-Citrulline supplements, you can experience the powerful benefits of L-Citrulline all in one place. Try one of these leading L-Citrulline supplements for enhanced pumps, performance, and lean muscle mass.

#1 - Nutricost L-Citrulline Malate Powder

The Standout: Pure, Cost Effective Formula

Enjoy the full benefits of L-Citrulline with the pure, unhindered formula of Nutricost's L-Citrulline Malate. Providing 3 grams in each serving, L-Citrulline helps to support increased energy levels as well as enhanced blood flow for optimal results during intense training sessions. With 100 serving per bottle at 17 cents per serving, L-Citrulline can boost protein synthesis for stronger, leaner muscle mass gains and reduced recovery time.

  • 3 Grams L-Citrulline Malate
  • 2:1 Ratio
  • 17 Cents Per Serving
  • 100 Servings Per Bottle
  • Boosts Nitric Oxide Levels
  • Combat Fatigue

L-Citrulline Malate is part of the nitric oxide cycle, and is recycled from arginine via the conversion of arginine into nitric oxide, which leaves citrulline as a byproduct. However, Citrulline gets converted back to arginine via arginosuccinate, which in turn helps produce more nitric oxide to raise overall nitric oxide levels.

That makes Nutricost L-Citrulline Malate an amazing option for those looking to up their l-arginine levels, having already maximized the l-arginine supplement intake. With well over 200 5-star reviews on Amazon, it seems many customers are doing just that.

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#2 - Transparent Labs PreSeries BULK

The Standout: Transparent Pre-Workout Formula

Makers of Transparent Labs' PreSeries Bulk emphasize quality products, designed for serious athletes and bodybuilders who are ready to see results utilizing 22 grams with over 20 active ingredients. With a 100% transparent label and an impressive combination of citrulline, beta-alanine, caffeine, a testosterone-supporting complex, and more, PreSeries Bulk delivers explosive power for more focus, strength, endurance, and muscle growth.

  • 6 Grams Citrulline Malate
  • 2:1 Ratio
  • 30 Servings Per Bag
  • 4 Grams Beta-Alanine
  • 4 Grams BCAA

This pre-workout is specifically designed to help promote muscle building. With ingredients like Citrulline Malate, you can expect increased blood flow for optimal nutrient and oxygen delivery. Citrulline Malate also helps normalize suppressed mTOR signalling, allowing for maximum protein synthesis to help muscle growth.

Each scoop contains no proprietary blends, colored dyes, unnecessary fillers, or harmful additives, making Transparent Lab's Pre Series Bulk one of the cleanest pre-workouts on the market.

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#3 - XPI Myonox 2.0

The Standout: Clinically Dosed, Amazing Taste

Get ready to experience a revolution in pre-workout supplements with L-Citrulline. XPI Myonox 2.0 is a cut above other pre-workouts, delivering the highest quality ingredients in potent doses to intensify your workouts and strengthen your body. Citrulline combines with Creatine, Arginine, and more for an intense pre-workout experience.

  • 6 Grams L-Citrulline
  • 2 Grams L-Arginine AKG
  • All-Inclusive Pre-Workout
  • Enhances Nitric Oxide Levels
  • Maximizes Energy

The king of pump, L-Citrulline can increase nitric oxide production and reduce fatigue during and after workouts. Citrulline is reponsible for boosting arginine concentrations in the nitric oxide cycle, and consequently increasing levels of nitric oxide for maximum blood flow.

Myonox 2.0 utilizes 18 carefully selected active ingredients, designed to improve performance, add lean muscle mass, and boost overall workouts.

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#4 - Universal Nutrition Animal Rage

The Standout: One-Of-A-Kind Formula

Comprised of nutrients needed to increase energy, focus, endurance, and performance, Universal Nutrition Animal Rage offers a formula with four powerful complexes. Using L-Citrulline as part of the Endurance & Performance Complex, this ultra-concentrated pre-workout with patented ingredients give precise dosing that can be customized for each level of training for each individual.

  • 5.3 Grams Endurance & Performance Blend
  • 44 Servings Per Bottle
  • Contains Caffeine
  • Boost Stamina

If you need to amp up your training a few notches, Animal Rage is the perfect addition to your regimen that helps increase energy, endurance and stamina. With ingredients like Citrulline Malate to provide the ultimate pump and maximum blood flow, and Beta-Alanine to boost endurance and intensity, you'll soon be hitting those personal records.

Animal Rage provides benefits that will leave other energizing and performance boosting formulas out in the dust. With 3 different sources of caffeine, you can expect a high voltage of energy to help you power through even the most intense workouts. Keep Reading »

#5 - Nutrex Research Outlift

The Standout: High Dosage Pre-Workout

Want a pre-workout for maximum results? Nutrex Research's Outlift is mega-dosed with an advanced formula featuring “The Big Ten” of training supplementation and a whopping 8 grams of 2:1 Citrulline Malate. Increase energy and focus for a whole new level of workout intensity.

  • 8 Grams Citrulline Malage
  • 20 Servings Per Bottle
  • 3 Grams Beta-Alanine
  • 3 Grams Creatine Monohydrate
  • Enhance Powder Output

Shatter plateaus with enhanced nitric oxide-induced muscles pumps that help deliver nutrients to muscle cells during every workout. And with a generous 8 grams of Citrulline Malate, you can bet on your biggest pumps yet.

Outlift contains no proprietary blends, fillers, or cheap stimulating ingredients. Just potent ingredients for powerful results.

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#6 - Cellucor NO3 Chrome

The Standout: Perfected N.O. Booster

Cellucor's NO3 Chrome is a powerful nitric oxide booster designed with cutting edge ingredients to widen and relax blood vessels, increasing the delivery of oxygen and nutrients to working muscles. NO3 Chrome utilizes the power of Citrulline and Arginine to deliver unbelievably intense muscle pumps for your best workout and best body.

  • 750 Mg Extreme Vascularity Complex
  • 1.3 Grams Arginine
  • 30 Servings Per Container
  • Extreme Pumps

NO3 Chrome’s Extreme Vascularity Complex uses Nitrosigine, a variant of arginine, created to deliver maximum vascularity. Also included in the blend is Citrulline Malate, which helps enhance the conversion of Arginine to Nitric Oxide. These long-established N.O. boosters have been shown to increase endurance and reduce post-workout recovery time.

Another plus? NO3 Chrome comes in convenient capsule form, making dosage easy for on-the-go, or perfect for stacking.

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#7 - Universal Nutrition Storm

The Standout: Ultimate Creatine Powder

Universal Nutrition brings you a solid performance enhancer that combines the synergistic benefits of Creatine uptake and N.O. levels from premium L-Citrulline. Storm contains zero calories and zero fat in a blend of nitric oxide boosters and insulin potentiators to noticeably increase athletic performance and add size to your frame.

  • 5 Grams Hypervol Creatine Complex
  • 3.8 Grams iNoxsulin-7 Complex
  • 80 Servings Per Bottle
  • Maximize Muscle Growth

Creatine provides ATP to muscles during high-intensity exercise. Stored in muscular tissue as Creatine Phosphate and released to form ATP during workouts, Creatine also increases the water capacity of muscle cells, increasing size and fullness. Citrulline Malate and other vasodialators are also included to help transport nutrients to muscle cells for even more increased pumps and performance, while helping push Creatine to skeletal muscle.

All in all, Storm uses 4 different and advanced forms of creatine, including creatine monohydrate, magnesium creatine chelate, dicreatine malate and tricreatine malate for superior uptake and results.

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#8 - BSN Nitrix 2.0

The Standout: Convenient Tablet Formula

Nitrix 1.0 by BSN is a pre-workout specially designed to combat workout plateaus for greater muscle gains and results. It supplies your body with key amino acids and nitric oxide precursors, including L-citrulline and creatine monohydrate. Nitrix 2.0 will deliver intense muscle pumps and strengths to ensure your body is working at peak capacity.

  • 3 Grams L-Citrulline
  • 3 Grams Creatine
  • 30 Servings Per Bottle
  • Enhance Performance

Each serving provides a nitric oxide precursor in the form of L-Citrulline, which is utilized in the nitric oxide cycle in the formation of nitric oxide. This excess of Nitric Oxide can help boost muscle performance, endurance and strength.

BSN Nitrix 2.0 was formulated to specifically to get your blood flowing, to help combat workout plateaus while also helping to improve your muscular gains and results.

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#9 - GAT Jetfuse

The Standout: Extreme Boost You Can Feel

Gat Jetfuse is a pre-workout that provides a 20 gram concentrated dose in every scoop. Designed to give massive muscle pumps and extreme vascularity, boost performance and energy, and deliver rapid fast recovery. JetFuse is packed ingredients that effectively promote extreme vasodilation by adding extra Beta-Alanine, Citrulline, and Creatine for unbeatable endurance and intense exercise capacity.

  • 20 Gram Size Promoting Blend
  • 52 Servings Per Bottle
  • Get Massive Pumps
  • Boost Energy

JetFuse is packed with nitric oxide boosting ingredients that effectively promote extreme vasodilation and muscle pumps. Citrulline is included in their 20 gram blend, intended to increase blood flow and vascularity for optimal nutrient transport to vital muscle tissue.

JetFuse bleeds weakness to death and brings strength back to life with over two dozen nutrient powerhouses to create a neural, muscular, vascular, and physiological experience that will catapult your training to the next level.

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#10 - ProSupps Mr. Hyde

The Standout: Skin Splitting Muscle Pumps

This extreme pre-workout amplifier is loaded with 40 servings of an efficacious blend of Creatine HCl, Citrulline Aspartate, L-Leucine, Caffeine, Yohimbe, and more. ProSupps Mr. Hyde delivers intense energy and skin splitting muscle pumps that fuel performance and increase muscle mass.

  • 500 Mg Citrulline Aspartate
  • 2.5 Grams Beta-Alanine
  • 1 Gram Creatine Nitrate
  • 30 Servings Per Bottle

Mr. Hyde can increase muscle mass by dilating your veins for nutrient transport, with the help of Citrulline Apartate. This increase in nutrients to your muscle cells will help make better use of glucose, resulting in increased muscle mass and lower body fat.

Take Mr. Hyde before your workouts to send nutrient and oxygen-rich blood to hard working lean muscle for a whole new level of intensity.

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