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The 8 Best l citrulline nutritional supplements of 2023

Are you trying to find l citrulline nutritional supplements among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling l citrulline nutritional supplements on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 12 hours of research and did 83 l citrulline nutritional supplements tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best l citrulline nutritional supplements you can buy today

No. 1
Dr. Emil's ARGININE Plus - L Arginine + L Citrulline - 2500 MG High Dose NO Booster Tablets - Nitric Oxide Supplement for Vascularity and Heart Health (Arginine AAKG and Citrulline Malate 2:1)
  • Synergistic n.o. booster stacks - we enhanced a blend of L-Arginine AAKG & HCL with L-Citrulline Malate (converted to Arginine in the body), which is a combination clinically shown to increase Arginine blood levels more than supplementation with Arginine alone.
  • 2X more than competitors - our 2500 mg serving size is 50 - 100% stronger than other leading brands in pill form. Competitor dosage ranges (1000mg - 1500mg) have been shown in numerous studies to be largely ineffective in promoting nitric oxide production.
  • High dosage without the powder - combines 2500 mg’s of vital Nitric Oxide precursors: L-Arginine (AAKG & HCL) & L-Citrulline Malate, creating a high dose NO booster in convenient tablet form - avoid cumbersome shake mixing and messy powder without sacrificing the dosage necessary for optimal vascularity & endurance.
  • Doctor-driven, science-backed - bringing Dr. Emil’s unique knowledge as both a medical doctor & recognized authority in the supplementation field (he’s also a former pro athlete!), our blends are painstakingly formulated to provide superior results and are always backed by science - free of gimmicks, fads & false promises.
  • Only the right stuff - all Dr. Emil products are made from all-natural vitamins, minerals & herbal extracts, without the use of harmful additives; NON-GMO and free of hormones & gluten. All products are manufactured in the USA in a GMP certified laboratory.
No. 2
Micro Ingredients L Citrulline Capsules, 1500mg Per Serving, 360 Counts, Citrulline Pre-Workout Supplement, Non-GMO
  • Micro Ingredients Citrulline Supplement, 1500mg Per Serving (3 Capsules), 360 Counts.
  • Preworkout Supplement, Boost Athletic Endurance and Supports Internal Circulation Health.
  • Promotes Heart Health and Fortify Immune Function.
  • No GMOs, No Preservatives, No Artificial Colors, No Flavors, No Soy, No Gluten
  • 3rd Party Lab Tested for Purity and Safety.
SaleNo. 3
Nitric Oxide 3000mg | 120 Capsules | Nitric Oxide Pills with L Arginine and L Citrulline for Men and Women| Non-GMO, Gluten Free Pre Workout Supplement | by Horbaach
1,980 Consomer Reviews
Nitric Oxide 3000mg | 120 Capsules | Nitric Oxide Pills with L Arginine and L Citrulline for Men and Women| Non-GMO, Gluten Free Pre Workout Supplement | by Horbaach
  • NITRIC OXIDE BOOST: Features L-Citrulline and L-Arginine in one powerful, dual-action formula*
  • HORBAACH REFUEL SERIES: Bring your workouts to the next level with superior sports nutrition!
  • EXPERTLY CRAFTED: Our professionally formulated preworkout is backed by our commitment to purity
  • HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed
  • NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Artificial Color & Flavoring & NON-GMO
No. 4
Nutricost Pure L-Citrulline (Base) Powder 250 Grams
  • 3 Grams of L-Citrulline Per Serving (83 Servings)
  • No Malate, Just Pure Base Powder
  • 250 Grams of L-Citrulline Powder Per Bottle
  • Gluten Free, Non-GMO and Vegetarian Friendly
  • Manufactured In a GMP Compliant, FDA Registered Facility
No. 5
Best Naturals L-Arginine L-Citruline Complex Tablets, 250 Count
  • 3rd Party Lab Tested for Purity & Quality.
  • 1000 mg of L-Arginine L-Citrulline Complex per Tablet - 250 Tablets per Bottle.
  • Non-GMO & Gluten-Free.
  • Proudly Made in the USA, GMP Compliant, FDA Registered Facility.
  • No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.
SaleNo. 6
L Citrulline Capsules 1,200mg Per Serving, 210 Count (L-Citrulline Increases Levels of L-Arginine and Nitric Oxide) Muscle Recovery Supplement – Improve Muscle Pump by Double Wood Supplements
  • Manufactured and Tested in the USA; Our L Citrulline capsules are Manufactured in the USA and safety tested for heavy metal and microbes in a state of the art New York facility
  • Supports L Arginine Levels; Research shows that L Citrulline may be more effective at supporting 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 support blood flow, circulation, and the “pump” experienced when lifting weights
  • Supports Energy Levels; Some research suggests L Citrulline support aerobic exercise and muscular endurance
  • Extra Large Bottle: Doublewood includes a whopping 210 capsules, enough to last nearly 4 months
No. 7
Nutricost L-Arginine L-Citrulline Complex 750mg, 240 Capsules - Non-GMO
1,012 Consomer Reviews
Nutricost L-Arginine L-Citrulline Complex 750mg, 240 Capsules - Non-GMO
  • 750mg of L-Arginine and L-Citrulline Complex Per Capsule
  • 240 High Quality L-Arginine L-Citrulline Capsules Per Bottle
  • Gluten Free, Non-GMO, 3rd Party Tested
  • Potent Free-Form Amino Acid Combination
  • Made in a GMP Compliant, FDA Registered Facility
No. 8
NOW Sports Nutrition, L-Citrulline, Extra Strength 1,200 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 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
No. 9
Premium L Arginine - 1340mg Nitric Oxide Booster with L-Citrulline & Essential Amino Acids for Heart and Muscle Gain - Nitric Oxide Boost Supplement for Endurance and Energy - 60 Capsules
928 Consomer Reviews
Premium L Arginine - 1340mg Nitric Oxide Booster with L-Citrulline & Essential Amino Acids for Heart and Muscle Gain - Nitric Oxide Boost Supplement for Endurance and Energy - 60 Capsules
  • Heart health; add L-Arginine to your daily exercise for better heart health; aging and unhealthy lifestyles frequently cause reduced blood circulation; when taken daily especially during exercise, nitric oxide is released into the blood vessels, causing them to expand and improve blood flow throughout the body, reducing your heart muscle’s burden
  • Extra strength L Arginine; combining the power duo of amino acid Arginine Alpha Ketoglutrate (AKG) with Citrulline, plus Niacin and Calcium; this super charged formula packs the 5 optimal Nitric Oxide ingredients for heart health
  • Promoted lean muscle; L Arginine is an essential amino acid that converts into Nitric Oxide, which relaxes blood vessels and boosts blood circulation; expanded blood vessels pump more oxygen to your muscles, increasing your endurance
  • Better workouts, stronger pumps; increase energy and stamina, improve recovery time; recommended for bodybuilders, athletes, competitive sports and regular active people
  • Reliable; made in a GMP certified facility in America and third party safety tested for purity
SaleNo. 10
BulkSupplements.com L-Citrulline Powder - Citrulline Supplement for Circulation & Muscle Recovery - Unflavored, Gluten Free, No Filler - 3g per Servings, 167 Servings (500 Grams - 1.1 lbs)
  • ❤️ Increases Blood Flow - L-Citrulline, also available in Citrulline Malate Powder, is a non-essential amino acid, which is used to make the body's natural source of nitric oxide that helps increase blood flow and circulation.* This L-Citrulline, also available in Citrulline Malate 2 1 which is a pre workout vegan supplement, can help improve overall health and performance, as well as increase the delivery of oxygen and nutrients to your muscles.*
  • 🏃Boosts Exercise Performance - Citrulline Powder, a precursor to L-Arginine, helps increase exercise performance in athletes and bodybuilders. L-Citrulline, also available in Citrulline Malate, allows you to work out harder and longer, making the most of your time in the gym. If you're looking to get the most out of your workouts, this L-Citrulline Powder, used as vascularity supplements for men, is the supplement for you.
  • ⚡ Boosts Energy - L-Citrulline powder may have the ability to support vitality and overall health.* This citrulline supplement, also available in citrulline malate powder, is a way to boost energy levels and help support stamina so you have what you need to get through the day.* Add this L-Citrulline powder to your daily diet for an energy boost!
  • ✨ Pure & Clean - L-Citrulline, also available in L- Citrulline Malate powder, is a powerful amino acid that can help improve your health and fitness.* Our Citrulline, which is powder and capsules form, is sourced from pure and clean ingredients, ensuring that you get the highest quality product possible. Not only that its pure, it's also does not contain any fillers, additives, and artificial flavors.
  • ⭐ High Quality - All products by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We’ve made a significant investment in our in-house lab so we can test our products at multiple stages during production. We third party test products, procedures and equipment when required to ensure compliance, standards and consistency.
No. 11
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
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
No. 12
Now Foods Arginine & Citrulline Veg Capsules
  • NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • PROTEIN METABOLISM*: Arginine and citrulline are two amino acids that are integral to protein metabolism and utilization, as well as to the maintenance of muscle tissue.*
  • NITRIC OXIDE PRECUSOR*/PRE-WORKOUT SUPPLEMENT: Take one capsule up to twice a day, preferably before working out.
  • 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.
No. 14
Pre Workout Nitric Oxide Supplement - Extra Strength L Arginine L Citrulline Supplement with Beta Alanine Nitric Oxide Booster for Enhanced Performance Strength Vascularity and Muscle Recovery
  • Amino acid supplement for men - Boost your workout regimen with our amino acid complex with niacin and calcium that gives your body the tools it needs for optimal performance by protein building
  • Arginine and citrulline - These amino acids form the base of our extra strength workout supplement but we added l citrulline and beta-alanine for even more muscle building and muscle boosting power
  • Nitric acid precursor - Our nitric oxide pills for men work by increasing carnosine production and improving exercise performance and minimizing muscle soreness so you can look and feel your best
  • Pre workout supplement - Function at your best and support your workout goals with our l-arginine l-citrulline and beta alanine capsules and watch your performance skyrocket with proven ingredients
  • Natures Craft quality - We are proud to be a leading name in amino acid nutritional supplements and workout supplements for men because we believe herbal ingredients can work wonders for performance
No. 15
L Arginine L Citrulline Supplement Nitric Oxide Pills for Men | Stamina Endurance Performance for Workouts | L Arginine 500mg Nitrous Oxide Supplements for Men | 60 NO2 L-Arginine Plus Vegan Capsules
  • This ultimate nitric oxide supplement arginine supplement blend of l arginine citrulline and beet root powder gives men superior results necessary for optimal pump, growth, and endurance.
  • With our best seller, you can elevate the benefits of an active male lifestyle through stamina and endurance.
  • High dosage combines vital nitric oxide precursors, l-arginine (AAKG & HCl) & l-citrulline malate, creating a high dose NO in convenient capsule form - avoid cumbersome shake mixing without sacrificing the dosage necessary for optimal pumps.
  • Perfect gym workout supplements for men as the nitric oxide helps to increase blood flow and circulation. With an optimal blood flow supplement for men, your pre-workout prep can provide a powerful 'pump' to quick recovery. Helping you to achieve a bulk muscle look.
  • Stronger than other leading brands our L Arginine blend is the best blood circulation supplement that you can take to be an alpha prime male.
No. 16
L-ARGININE PRO, L-arginine Supplement - 5,500mg of L-arginine Plus 1,100mg L-Citrulline, Powder (Grapeberry / 3 Jars)
  • AMINO ACID AND NITRIC OXIDE FORMULA DESIGNED TO SUPPORT HEART HEALTH: Cardio fitness, pre-workout, performance, energy
  • LEADING L-ARGININE POWDER: Research based on a Nobel Prize winning breakthrough discovery of nitric oxide
  • GREAT TASTE: Quality ingredients and delicious flavor. Easy-to-Mix, Kosher, Sugar-free, Gluten Free
  • QUALITY: If you are not SATISFIED simply return unused containers within 30 days from date of delivery. Formulated, Quality inspected, & Packaged in a cGMP facility.
  • GREAT VALUE: Larger container with more active ingredients than other leading brands! High rated & Great Value.
No. 17
BlueEarth Company L-Arginine 5000mg + L-Citrulline 2000mg Complex Powder Supplement - Nitric Oxide Booster - Blood Pressure Support - Green Apple Flavored - 360g
  • ❤️ NITRIC OXIDE BOOSTER SUPPLEMENT: Healthy Blood Pressure Support by releasing Nitric Oxide into the blood vessel wall that can help relax blood vessels to aid in decreasing blood pressure naturally and increasing blood flow into the muscles for a higher performance and pump during exercise. Our L-Arginine supplement can help lower blood pressure, increase energy/endurance, improve sexual health, support immune system, decrease numbness and pain in legs, feet & hands, and increase circulation.
  • 🏆 BEST L-ARGININE POWDER: L-Arginine 5000mg + L-Citrulline 2000mg amino acid ratio that is based on one of the biggest Nobel Prize Winning Medical Research Breakthroughs by Dr. Louis Ignarro in the last 50 years on the ability to naturally improve blood flow to the body and extremities by releasing Nitric Oxide (NO).
  • 🇺🇸 MADE IN THE USA: Made from the highest quality pharmaceutical grade amino acids, vitamins and minerals in an FDA inspected GMP Facility.
  • ✅ GREAT TASTING: Easy-To-Mix, all-natural formula. Green Apple Flavor.
  • ✅ 100% MONEY BACK GUARANTEE: No Risk, 100% Money Back, Unconditional Guarantee.
SaleNo. 18
BEYOND RAW Chemistry Labs L-Citrulline Powder | Supports Peak Performance | 30 Servings
  • ABOUT THE PRODUCT: Beyond Raw Chemistry Labs’ lab grade L-Citrulline powder is formulated to support nitric oxide production and maximize your muscle pump from challenging lifts in the gym
  • ENHANCE YOUR ROUTINE WITH L-CITRULLINE: A nutritional compound derived from a key amino acid, Citrulline can be recycled to Arginine in the Citrulline-N.O. cycle, contributing to Nitric Oxide production to support peak physical performance. Nitric oxide plays a fundamental role in vascular function and blood flow
  • LAB GRADE SUPPORT: Lab grade supplement powder is made with only fully-dosed pure Citrulline -- no fillers
  • FORMULATION: Enjoy the benefits of enhanced energy and performance with a gluten-free and sugar-free formula.
  • ABOUT THE BRAND: For over 85 years, GNC has been the leading the way in global health and wellness. GNC is committed to meeting the highest standards of quality, safety and efficacy while applying the most up-to-date advances in nutritional science. Whether you're just getting started, or you need to keep going, GNC is committed to sparking your motivation and supporting your desire to live well.
SaleNo. 19
L-ARGININE PRO, L-arginine Supplement - 5,500mg of L-arginine Plus 1,100mg L-Citrulline, Powder (Grapeberry / 1 Jar)
  • AMINO ACID AND NITRIC OXIDE FORMULA DESIGNED TO SUPPORT HEART HEALTH: Cardio fitness, pre-workout, performance, energy
  • LEADING L-ARGININE POWDER: Research based on a Nobel Prize winning breakthrough discovery of nitric oxide
  • GREAT TASTE: Quality ingredients and delicious flavor. Easy-to-Mix, Kosher, Sugar-free, Gluten Free
  • QUALITY: If you are not SATISFIED simply return unused containers within 30 days from date of delivery. Formulated, Quality inspected, & Packaged in a cGMP facility.
  • GREAT VALUE: Larger container with more active ingredients than other leading brands! High rated & Great Value.
No. 20
L-ARGININE PRO, L-arginine Supplement - 5,500mg of L-arginine Plus 1,100mg L-Citrulline, Powder (3 Flavors, 3 Jars)
2,958 Consomer Reviews
L-ARGININE PRO, L-arginine Supplement - 5,500mg of L-arginine Plus 1,100mg L-Citrulline, Powder (3 Flavors, 3 Jars)
  • AMINO ACID AND NITRIC OXIDE FORMULA DESIGNED TO SUPPORT CARDIO WELL BEING: Cardio fitness, pre-workout, performance, energy
  • LEADING L-ARGININE POWDER: Research based on a Nobel Prize winning breakthrough discovery of nitric oxide
  • GREAT TASTE: Quality ingredients and delicious flavor. Easy-to-Mix, Kosher, Sugar-free, Gluten Free
  • QUALITY: If you are not SATISFIED simply return unused containers within 30 days from date of delivery. Formulated, Quality inspected, & Packaged in a cGMP facility.
  • GREAT VALUE: Larger container with more active ingredients than other leading brands! High rated & Great Value.

How to choose a good l citrulline nutritional supplements

Does the idea of finding a fantastic l citrulline nutritional supplements make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in l citrulline nutritional supplements. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top l citrulline nutritional supplements products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top l citrulline nutritional supplements on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top l citrulline nutritional supplements brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top l citrulline nutritional supplements based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the l citrulline nutritional supplements were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good l citrulline nutritional supplements, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your l citrulline nutritional supplements.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting l citrulline nutritional supplements for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our l citrulline nutritional supplements. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what l citrulline nutritional supplements should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on l citrulline nutritional supplements.