Yohimbine is a sexual stimulant, too, and utilised in treating erectile dysfunction in men, while in women, combined with L - arginine glutamate, it has been shown to increase sexual arousal in women suffering from its absence. (fitnessandpower.com)
L - citrulline is an amino acid that may help treat erectile dysfunction by increasing the production of nitric oxide (2). (healthline.com)
[1] This appeal involves a challenge to the validity of the patent of the Pfizer respondents («Pfizer») for Viagra, a drug currently on the market for treating erectile dysfunction («ED»). (slaw.ca)