Best Capsules L-Arginine Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 10, 2025

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Capsules L-Arginine Supplements are a popular choice among athletes and fitness enthusiasts looking to enhance their performance and muscle growth. L-Arginine is an amino acid that plays a crucial role in the production of nitric oxide, which helps to dilate blood vessels and increase blood flow to the muscles. This supplement is also believed to aid in the healing of injuries and improve immune function. Capsules L-Arginine Supplements are available in various dosages and can be taken before or after a workout for maximum benefits. It is important to note that individuals should consult with a healthcare professional before taking any dietary supplements.

At a Glance: Our Top Picks

Puritan's Pride L-arginine Capsules Cover #TOP 1
Puritan's Pride L-arginine Capsules
ftb score rating icon 9.9
Horbaach L-Arginine L-Citrulline Complex Cover #TOP 2
Horbaach L-Arginine L-Citrulline Complex
ftb score rating icon 9.8
Havasu Nutrition L Arginine NO Booster Cover #TOP 3
Havasu Nutrition L Arginine NO Booster
ftb score rating icon 9.6

Top 10 Capsules L-Arginine Supplements

Puritan's Pride L-arginine Capsules

Puritan's Pride
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Puritan's Pride L-arginine Capsules Cover
Puritan's Pride L-Arginine 1000 mg-100 Capsules

Get the most out of your workouts and boost your immune system with Puritan's Pride L-arginine 1000 Mg Capsules. Arginine serves as a source of energy and supports exercise effects, and is one of the most important amino acids in immune function. Be mindful of product delivery as exposure to heat or sunlight may lead to melting or damage. This unflavored supplement comes in a bottle of 100 count capsules, making it convenient for adult use.

What We Like
Supports energy and exercise effects
Boosts immune function
100 count capsule bottle for convenience

Horbaach L-Arginine L-Citrulline Complex

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Horbaach L-Arginine L-Citrulline Complex Cover
Horbäach L-Arginine L-Citrulline Complex | 3000mg | 250 Capsules | Non-GMO, Gluten Free Supplement

Horbaach Arginine Complex is a powerful amino acid complex that combines L-Arginine and L-Citrulline. With each serving delivering 3,000 mg of this potent formula, it provides maximum support for your body. The quick-release capsules make it convenient to take, ensuring you can easily incorporate it into your daily routine. Backed by a commitment to purity and potency, this expertly crafted supplement is laboratory tested and made with trusted ingredients. It is also free of gluten, wheat, milk, lactose, soy, artificial color, flavor, preservatives, and is non-GMO. Experience the benefits of this superior quality supplement and enhance your overall well-being.

What We Like
Amino acid complex
Convenient quick-release capsules
Expertly crafted

Havasu Nutrition L Arginine NO Booster

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Havasu Nutrition L Arginine NO Booster Cover
L-Arginine Capsules for Active Males - 120 Count, Non-GMO, 1200mg Blend of L Arginine and L Citrulline - Arginine Supplement for Enhanced Performance - L Arginine 1000mg for Muscle Support

Havasu NO Booster provides essential amino acids for building lean muscle mass, improving endurance, and enhancing performance. By increasing nitric oxide levels in your bloodstream, it boosts blood flow, aiding in muscle growth and circulatory health. Adding Beet Root with L-Arginine and L-Citruline further enhances nitric oxide production, making it a potent supplement for performance and vascular growth. The NO also helps blood vessels relax, promoting healthy blood flow for overall well-being.

What We Like
Muscle growth
Improved endurance
Enhanced performance

NOW L-Arginine 500mg, 250 Capsules

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NOW L-Arginine 500mg, 250 Capsules Cover
NOW Foods Supplements, L-Arginine 500 mg, Nitric Oxide Precursor*, Amino Acid, 250 Veg Capsules

NOW L-Arginine 500mg is a non-GMO, kosher, and soy-free amino acid supplement, involved in urea metabolism, protein production, and blood vessel dilation. The product is GMP quality assured, ensuring compliance with sanitation, processing, documentation, and testing requirements for consistent and safe product quality. NOW L-Arginine is packaged by a family-owned business in the USA since 1968.

What We Like
Non-GMO, kosher, and soy-free
Plays an important role in dilation of blood vessels
Compliant with mandatory and voluntary manufacturing practices
#TOP 5

Force Factor L-Arginine Nitric Oxide Supplement

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FORCE FACTOR L-Arginine Nitric Oxide Supplement with BioPerine to Help Build Muscle and Support Stronger Blood Flow, Circulation, Nutrient Delivery, and Pumps, L-Arginine 3000mg, 3g, 150 Capsules

Force Factor L-Arginine Nitric Oxide Supplement is designed to strengthen blood flow, provide an optimal daily dose of 3000mg of L-Arginine, and ensure superior absorption with BioPerine. This supplement is ideal for enhancing performance, delivering essential nutrients and oxygen to muscles, and supporting nutrient delivery and pumps. Additionally, it is formulated to stack well with other Force Factor supplements and is produced in cGMP facilities in the USA with high-quality ingredients sourced from all over the world.

What We Like
Contains an optimal daily dose of 3000mg L-Arginine
Enhances blood flow for better nutrient delivery and oxygen to muscles
Superior absorption with BioPerine
Ideal for stacking with other Force Factor supplements
Made in cGMP facilities in the USA with high-quality ingredients
#TOP 6

BulkSupplements L-Arginine 5000mg Capsules

BulkSupplements L-Arginine 5000mg Capsules Cover
BulkSupplements.com L-Arginine 5000mg Capsules - Arginine Supplement, Nitric Oxide Supplement, L-Arginine Capsules - Gluten Free, 8 Capsules per Serving, 240 Capsules (Pack of 1)

BulkSupplements L-Arginine offers a powerful 5000mg dose per serving to help you reach your fitness goals. Whether you’re an athlete or just someone who enjoys staying active, these capsules fit easily into your routine. With 8 capsules per serving, you can easily control your intake to match your personal needs. Plus, you can feel secure knowing that this supplement undergoes rigorous third-party testing, ensuring quality and transparency in every batch. Choose this product for a reliable boost to your performance and strength.

What We Like
High potency per serving
Easy intake management
Third-party tested for quality
Adaptable for various lifestyles
#TOP 7

Nutricost L-Arginine L-Citrulline Capsules

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Nutricost L-Arginine L-Citrulline Complex 750mg, 240 Capsules - Non-GMO

Get the perfect combination of L-Arginine and L-Citrulline with Nutricost's high quality supplement. Each capsule contains 500mg of L-Arginine and 250mg of L-Citrulline, providing 750mg per capsule. This potent free-form amino acid combination comes in a 240 capsule bottle, and is non-gmo, gluten-free and 3rd party tested for safety and quality. Made in a GMP compliant, FDA registered facility, this supplement is perfect for adults who want to improve their overall well-being and performance.

What We Like
Contains a powerful blend of L-Arginine and L-Citrulline
Non-GMO, gluten-free, and 3rd party tested for safety and quality
Comes in a 240 capsule bottle, providing a long-lasting supply
Made in a GMP compliant, FDA registered facility

Pure Encapsulations L-Arginine Supplement

Pure Encapsulations L-Arginine Supplement Cover
Pure Encapsulations L-Arginine - 1,400 mg - Support Nitric Oxide Production - Heart Health & Blood Flow - Gluten Free & Non-GMO - 180 Capsules

The Pure Encapsulations L-Arginine supplement supports healthy blood flow by helping to dilate blood vessels. As an amino acid precursor of nitric oxide, it also helps with immune support, memory, and heart health. Made with premium ingredients, it is carefully manufactured and tested for purity. What sets it apart is what it doesn't contain: wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

What We Like
Supports healthy blood flow by dilating blood vessels
Helps with immune support, memory, and heart health
Made with premium ingredients and carefully tested for purity
Free from various allergens, artificial ingredients, and unnecessary additives

Dorado Nutrition L Arginine L Citrulline 3000mg Supplement

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Dorado Nutrition L Arginine L Citrulline 3000mg Supplement Cover
L Arginine L Citrulline Supplement 3000mg (240 Capsules) Nitric Oxide Pills for Men - Stamina, Endurance, Performance for Workouts - NO Supplements for Men - Gluten Free, Non-GMO, Vegan Capsules

Dorado Nutrition L Arginine L Citrulline 3000mg Supplement is a powerful nitric oxide booster that supports muscle pumps, endurance, and performance during workouts. With its cutting-edge ingredients, this supplement promotes nitric oxide production and blood flow to the muscles, resulting in increased strength, stamina, and muscle fullness. By fueling nutrient delivery to working muscle tissue, it creates an optimal environment for muscle growth and recovery. Made in the USA and manufactured in a GMP certified facility, this gluten-free, non-GMO, and vegan supplement is of premium quality. Experience skin-tearing pumps, enhanced energy, and delayed fatigue with Dorado L Arginine L Citrulline Supplement.

What We Like
Supports nitric oxide production
Enhances muscle growth and recovery
Boosts workout endurance and performance
#TOP 10

Dr. Emil - L Arginine

GTH-L-ARG3000-6115
Dr. Emil - L Arginine Cover
Dr. Emil - L Arginine (3150mg) Highest Capsule Dose - Nitric Oxide Supplement for Vascularity, Endurance and Heart Health (AAKG and HCL) - 90 Tablets

Dr. Emil L Arginine is a powerful nitric oxide supplement that offers several benefits for your vascularity, endurance, and heart health. With a potent blend of AAKG and Arginine HCI, this supplement enhances N.O. levels, promoting better blood flow to your organs and muscles. The 3150 mg serving size is the highest available in pill form, providing you with the same dosage as a powder but without the hassle. Compared to other leading brands, Dr. Emil L Arginine contains 2-3 times more Arginine per dose, making it more effective in promoting nitric oxide enhancement. Formulated by Dr. Emil, a medical doctor and recognized authority in the supplementation field, this product is backed by science and free of gimmicks or false promises. Made from all-natural ingredients and free of harmful additives, Dr. Emil L Arginine is a reliable choice for your health and fitness goals.

What We Like
High dosage
N.O. boosting
More effective
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Frequently Asked Questions (FAQs)

1. What is the supplement L-arginine used for?

It can be made in a lab and used in supplements. People use L-arginine for chest pain and various blow flow issues, erectile dysfunction, high blood pressure during pregnancy, and a serious disease in premature infants called necrotizing enterocolitis (NEC).

2. What is the best form of L-arginine to take?

Best L-Arginine Supplements. Best L-Arginine: NutraChamps L-Arginine.Best L-Arginine Powder: L-Arginine Base.Best L-Arginine Capsules: Now Foods Supplements L-Arginine.Best L-Arginine for Nitric Oxide Boost: Havasu Nutrition Extra Strength L-Arginine.

3. Does L-arginine work like Viagra?

Erectile Function Because L-arginine relaxes blood vessels, it may help men whose erectile dysfunction (ED) is due to poor blood flow. It may increase the effectiveness of medications like sildenafil (Viagra). Taking L-arginine with medication for ED could cause blood pressure to go too low.

4. Is L-arginine good to take everyday?

Although higher doses are often used in research and clinical settings, it's recommended that daily dosing of L-arginine be kept under 9 grams per day to avoid potential gastrointestinal side effects, including nausea, diarrhea, and bloating.

Editor's Notes

During our capsules l-arginine supplement research, we found 24 capsules l-arginine supplement products and shortlisted 10 quality products. We collected and analyzed 324,156 customer reviews through our big data system to write the capsules l-arginine supplements list. We found that most customers choose capsules l-arginine supplements with an average price of $18.58.

The capsules l-arginine supplements are available for purchase. We have researched hundreds of brands and picked the top brands of capsules l-arginine supplements, including Puritan's Pride, HAVASU NUTRITION, NOW Foods, Force Factor, BulkSupplements. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.