Quick answer: L-citrulline raises arginine and nitric oxide; a small trial in men with mild erection problems found modest benefits at 1.5 g a day. Red ginseng trials suggest small benefits, with low-quality evidence. Both need care with blood pressure, ED and diabetes medicine.
L-citrulline
Found in watermelon, citrulline is turned into arginine in the kidneys, which raises nitric oxide more reliably than taking arginine. A small trial in men with mild erectile dysfunction found more men reported improved hardness than with placebo.
Asian ginseng
Korean red ginseng has been tested in several small trials for erectile function, generally at 600 to 1,000 mg three times a day. Reviews call the evidence promising but of low quality.
Cautions
- Citrulline may add to blood pressure lowering with nitrates or ED pills.
- Ginseng may affect blood sugar and interact with blood thinners.
- Ginseng can cause insomnia in some people.
See Strong Peak safety and maca, fenugreek and Tribulus.
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General information, not medical advice. Strong Peak is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.