Clinical Assessment of a Supplement of Pycnogenol® and l-arginine in Japanese Patients with Mild to Moderate Erectile Dysfunction

A double‐blind parallel group comparison design clinical study was conducted in Japanese patients with mild to moderate erectile dysfunction to investigate the efficacy of a supplement containing Pycnogenol® and L‐arginine. Subjects were instructed to take a supplement (Pycnogenol® 60 mg/day, l‐argi...

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