Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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- Amino acids
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Best Choice
1
BlueEarth Company
BlueEarth Company L-Arginine 5000mg + L-Citrulline 2000mg Complex Powder Supplement - Nitric Oxide Booster - Heart Health, Blood Flow, Energy & Endurance - 30 Servings (Berry Blend)
9.7 simple to consume
9.5 Simple to use
9.1 worth the money
Why we love it
Boosts heart health and circulation with natural ingredients. Enhances workout performance and reduces fatigue. Supports rapid recovery and energy boost. Main highlights
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Enhanced with L-Arginine and L-Citrulline, this supplement boosts nitric oxide production, promoting healthier blood flow and supporting cardiovascular health. Heart Health and Circulation -
Perfect for those looking to maximize workout performance, reduce fatigue, and improve endurance with a convenient, easy-to-mix formula. Ideal for Fitness Enthusiasts -
Customers appreciate the ease of mixing and generally find the taste pleasant, making it a favored alternative to capsules. Positive Taste Feedback
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9.9
Exceptional
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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Value for Money
2
NOW Foods
NOW Sports Nutrition, Arginine & Citrulline 500 mg/ 250 mg, Amino Acids, 240 Veg Capsules
36% Off
9.5 For exercise
8.7 simple to consume
8.4 worth the money
Why we love it
Trusted quality. Supports muscle tissue. Tested for banned substances. Main highlights
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Enhances athletic performance with Arginine & Citrulline, supporting nitric oxide production for muscle growth and recovery. 240 vegan capsules for extended use. Key Features -
Perfect for athletes, bodybuilders, and fitness enthusiasts seeking improved endurance, blood flow, and protein synthesis during intensive workouts. Ideal Use Cases -
Highly praised for its effectiveness in boosting energy levels and helping with recovery post-exercise, as noted in numerous positive reviews. Customer Praise
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9.8
Exceptional
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3
Horbäach
Horbäach L-Arginine L-Citrulline Complex | 3000mg | 250 Capsules | Non-GMO, Gluten Free Supplement
9.9 quality of ingredients
9.7 worth the money
8.0 Flavor
Why we love it
High potency for maximum support. Free from common allergens. Enhances aerobic performance. Main highlights
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Delivers 3,000 mg of L-Arginine and L-Citrulline per serving. Potent Amino Acid Support -
Perfect for those looking to boost aerobic performance. Ideal for Athletes -
Users notice significant improvement in aerobic capabilities. Customer Praised Performance
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9.7
Exceptional
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4
Nutricost
Nutricost L-Arginine L-Citrulline Complex 750mg, 240 Capsules - Non-GMO
9.5 worth the money
9.1 simple to consume
8.7 For exercise
Why we love it
High-quality amino acid blend. Long-lasting supply with 240 capsules. Effective for energy and wellness. Main highlights
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750mg of L-Arginine and L-Citrulline per capsule for enhanced performance. Potent Amino Acid Blend -
Ideal for pre-workout boosts, daily energy, and overall wellness. Versatile Use Cases -
Absorbs well and is well-tolerated, enhancing effectiveness. Highly Praised Absorption
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9.6
Exceptional
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5
HAVASU NUTRITION
L-Arginine Capsules Nitric Oxide Supplement for Men with L-Citrulline - 1200mg L Arginine and L Citrulline Blend - Non-GMO Veggie Capsule for Performance, Endurance and Muscle - 1 Month Supply
9.5 simple to consume
9.3 quality of ingredients
9.1 Flavor
Why we love it
Boosts energy and endurance. Improves blood flow and vitality. Non-GMO and premium quality. Main highlights
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1200mg of L-Arginine and L-Citrulline for maximum benefits. High Potency Blend -
Enhances endurance and recovery for active lifestyles. Ideal for Exercise Performance -
Users report increased energy and stamina. Praised for Energy Boost
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9.5
Excellent
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6
Best Naturals
Best Naturals L-Arginine L-Citruline Complex Tablets, 250 Count
9.1 worth the money
8.4 simple to consume
8.2 Flavor
Why we love it
High potency per tablet. Supports muscle health. Positive customer reviews. Main highlights
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Provides 1000 mg of L-Arginine L-Citrulline Complex per tablet for enhanced performance. High Potency Formula -
Supports muscle health and endurance, perfect for athletes and active individuals. Ideal for Fitness Enthusiasts -
Praised for effectiveness despite large pill size, delivering expected benefits. Positive Customer Feedback on Results
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9.4
Excellent
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7
Source Naturals
Source Naturals L-Arginine L-Citrulline Complex, 120 Tablets, 1000 mg
30% Off
Main highlights
- Well Made Supplement. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no preservatives, or artificial color, flavor or fragrance.
- TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
- Suggested Use: 1 tablet four times daily.
- MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.
- L-Arginine and L-Citrulline are two amino acids bundled into a single powerful supplement.*
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9.3
Excellent
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8
DORADO NUTRITION
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
Why we love it
Boosts workout endurance and strength. Supports muscle growth and recovery. Affordable and long-lasting supply. Main highlights
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Enhances pumps, endurance, and strength with L-Arginine & L-Citrulline. Supports Nitric Oxide and Blood Flow -
Designed for men seeking improved stamina and muscle fullness. Ideal for Workout Performance -
Users report increased energy and effective workout pumps. Customer Praised Energy Boost
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9.0
Excellent
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9
Jarrow Formulas
Jarrow Formulas® Arginine-Citrulline Sustain™, Dietary Supplement, Vascular Support Complex for Nitric Oxide Production and Cardiovascular Health, 120 Tablets, 60 Day Supply
24% Off
9.7 worth the money
9.3 simple to consume
8.7 quality of ingredients
Why we love it
Supports cardiovascular health and blood flow. Formulated for men's health and fitness. Convenient, easy-to-take tablets. Main highlights
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Arginine-Citrulline Sustain combines two amino acids and vitamin C to promote nitric oxide production, enhancing blood flow and cardiovascular health. Supports Cardiovascular Health -
Formulated specifically for men's health, sports, and fitness, this supplement supports overall wellness and physical performance. Ideal for Men's Health and Fitness -
Jarrow Formulas is praised for its high-quality products. Customers report improved blood flow, muscle recovery, and some success in managing cholesterol levels. Reliable Brand with Noticeable Benefits
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8.9
Very Good
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10
DEAL SUPPLEMENT
Nitric Oxide Booster 3,000mg Per Serving, 300 Capsules – 12 in 1 Nitric Oxide Supplement – Arginine & Citrulline Complex with Energy Blend – Marshmallow Root – Promotes Nutrient Flow to Muscles&Heart
Why we love it
Affordable nitric oxide supplement. Supports muscle pumps and energy. Contains non-GMO ingredients. Main highlights
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12-in-1 supplement with 3,000mg per serving for energy. Nitric Oxide Support -
Ideal for gym enthusiasts seeking enhanced energy and heart health. Workout and Health -
Praised for cost-effectiveness compared to other brands. Affordable Price
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8.8
Very Good
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