Citrulline is an amino acid that’s involved in the urea cycle, which is the process that helps remove waste from your body. It’s also a precursor to nitric oxide, which is a molecule that helps relax blood vessels and improve blood flow. Citrulline supplements are often used by athletes and bodybuilders to improve exercise performance.

There are many different citrulline supplements on the market, and they vary in terms of price, quality, and key features. To help you find the best citrulline supplement for your needs, we’ve compiled a list of the top five products on the market, based on customer reviews and ratings.

1. BulkSupplements L-Citrulline DL-Malate 2:1 Powder ($11.96)

BulkSupplements L-Citrulline DL-Malate 2:1 Powder is a high-quality citrulline supplement that’s designed to improve exercise performance. The powder is easy to mix and has a neutral taste, making it a good option for athletes who don’t like taking pills or capsules. The 2:1 ratio of citrulline to malate is clinically proven to be effective, and the powder is also vegan and certified kosher.

2. NOW Sports Nutrition, L-Citrulline, Double Strength, 600mg ($9.99)

NOW Sports Nutrition L-Citrulline is a double-strength citrulline supplement that’s designed to improve blood flow and exercise performance. The capsules are easy to take and have a neutral taste, making them a good option for athletes who don’t like taking powder supplements. The double-strength formula is also vegan and certified kosher.

3. Jarrow Formulas, L-Citrulline, Supports Muscle Endurance, 1000mg ($11.99)

Jarrow Formulas L-Citrulline is a high-quality citrulline supplement that’s designed to improve muscle endurance and exercise performance. The capsules are easy to take and have a neutral taste, making them a good option for athletes who don’t like taking powder supplements. The formula is also vegan and certified kosher.

4. Solgar, L-Citrulline, Supports Muscle Endurance, 1000mg ($12.99)

Solgar L-Citrulline is a high-quality citrulline supplement that’s designed to improve muscle endurance and exercise performance. The capsules are easy to take and have a neutral taste, making them a good option for athletes who don’t like taking powder supplements. The formula is also vegan and certified kosher.

5. Vitacost L-Citrulline — 1000 mg per serving – 240 Capsules ($19.99)

Vitacost L-Citrulline is a high-quality citrulline supplement that’s designed to improve muscle endurance and exercise performance. The capsules are easy to take and have a neutral taste, making them a good option for athletes who don’t like taking powder supplements. The formula is also vegan and certified kosher.