Ginseng, specifically Panax ginseng (often called Oriental or Asian ginseng), has a long history of traditional use in East Asian medicine as a tonic to enhance vitality and male sexual function. Modern scientific studies have begun to validate some of these traditional uses, particularly in the context of the male reproductive system. Several clinical trials and reviews indicate that Panax ginseng may improve erectile function and libido in men, likely due to its ginsenoside content, which can influence nitric oxide synthesis, leading to improved blood flow.

A 2008 systematic review in the British Journal of Clinical Pharmacology found evidence that ginseng could significantly improve erectile dysfunction compared to placebo. Other studies have suggested potential benefits for sperm quality, motility, and count, indicating a broader role in male reproductive health. However, while these findings are promising, many studies have limitations such as small sample sizes, short durations, or methodological weaknesses.

Overall, the evidence supporting the use of Oriental ginseng for the male reproductive system is stronger than for many herbal remedies, but more large, well-controlled studies are needed to confirm efficacy and clarify mechanisms. Thus, ginseng's use is supported by both tradition and emerging scientific evidence, though it is not universally accepted as a standard treatment.