Citrulline is made in the liver and intestine, consumed in foods such as watermelon and cucumbers, and available as a dietary supplement. In the United States, the Food and Drug Administration ...

Some supplements contain l-arginine alone, while others combine it with other amino acids or ingredients like citrulline or beetroot extract. Dosage is another essential factor to consider when ...

Some of the most common vasodilators used in supplements include nitric oxide, arginine, and citrulline. Each of these vasodilators works in a slightly different way, so it’s important to choose ...

That being said, most nitric oxide supplements contain a blend of L-arginine and L-citrulline. Found naturally in the body and in certain foods, L-arginine and L-citrulline are amino acids ...

“Pre-workout supplements are designed and intended ... (such as BCCAs), nitric oxide precursors (such as L-arginine and L-citrulline), which help improve blood flow to muscles, enhance oxygen ...