ED treatment drugs have a high placebo response: if a good result is expected, any highly praised, and often expensive, treatment can be effective. Reputable drugs can also benefit from the same effect.
- Naltrexone
Drug used for treating drug addicts can have some success in patients with inhibited sexual desire.
- Bremelanotide
The experimental drug bremelanotide (formerly PT-141) does not act on the vascular system like the former compounds but allegedly increases sexual desire and drive in males as well as females. It is applied as a nasal spray. Bremelanotide allegedly works by activating melanocortin receptorsin the brain. It is currently in Phase IIb trials.
- Melanotan II
Like bremelanotide the experimental drug Melanotan II does not act on the vascular system either but increases libido. Melanotan II works by activating melanocortin receptors in the brain.
- hMaxi-K
hMaxi-K is a form of gene therapy using a plasmid vector that expresses the hSlo gene, that encodes the alpha-subunit of the Maxi-K channel. It has undergone phase I safety trials.[27]
- Ginseng
A double-blind study appears to show evidence that ginseng is better than placebo.
- Enzyte
Enzyte is a product that has been advertised by saturation coverage on television channels such as CourtTV. However, the Center for Science in the Public Interest (CSPI) has filed a complaint with the Federal Trade Commission (FTC) about Enzyte for deceptive advertising. It is manufactured by Berkeley Nutritionals, which is alleged to be the subject of an investigation by the Attorney General of Ohio and the defendant in class-action lawsuits for false advertising.
Enzyte is a supplement that claims to increase the male libido or frequency of erections of the penis.
The effectiveness of Enzyte is in dispute. Some medical professionals in fact advise against taking Enzyte, saying that it can lead to damage. The Center for Science in the Public Interest have urged the Federal Trade Commission to disallow further television advertising for Enzyte due to a lack of proper studies supporting claims.
Enzyte is said to contain: Tribulus terrestris; Yohimbe Extract; Niacin; Epimedium; Avena sativa;zinc oxide; maca; Muira Pauma; Ginkgo biloba; L-Arginine; Saw Palmetto. Other ingredients: gelatin, rice bran, oat fiber, magnesium stearate, silicon dioxide.
- Prelox
Prelox is a Proprietary mix/combination of naturally occurring ingredients, L-arginine aspartate and Pycnogenol. In double blind tests carried out by Dr. Steven Lamm at New York University School of Medicine, 81.1% of men overall judged Prelox to be effective in improving their ability to engage in sexual activity. Whilst the supplements should be taken daily, the manufacturers claim that it brings the spontaneity back into ones' love life; unlike other products which must be remembered to be taken a fixed time before sexual activity.
