Chances are, if you think you have ED, you’ve already looked into dietary supplements — and pretty much any option other than seeing a healthcare professional. We get it. Talking about ED with a white ...

L-arginine, an amino acid essential for protein synthesis, is found in such foods as red meat, fish, and dairy products. 1 This compound is the main precursor for the body’s production of nitric oxide ...

There are many nutrients that your body relies on that it can’t produce itself, such as essential amino acids. L-arginine is one essential amino acid that your body uses to build proteins, and it’s ...

L-arginine is one of many amino acids the body needs to function properly. Like other amino acids, L-arginine plays a role in building protein. The body can use the protein to help build muscle and ...

Would using l-arginine capsules (to provide nitric oxide) in combination with sildenafil and grapefruit juice allow patients with erectile dysfunction to reduce the dose of sildenafil? —Alberto Saenz, ...