Low testosterone levels appear to be linked to the severity of the curve in peyronie's disease (See: Testosterone deficiency). Of course correlation does not imply causation, but even if this link comes to nothing, many men with peyronie's disease do suffer from ED. Should you wish to attempt to address this issue with a natural approach I have a suggestion for boosting testosterone levels, based on the below study.
- A combination of five herbal extracts (Panax quinquelotius (Ginseng), Eurycoma longifolia (Tongkat Ali), Epimedium grandiflorum (Horny goat weed), Centella asiatica (Gotu Kola) and flower pollen extracts) was demonstrated to be comparable to the effects of sildenafil citrate. The study is recent and was carried out on rats, but there are various reports of Tongkat Ali and Horny Goat Weed combatting ED in humans, so this combination may well be worth trying. I've seen a few studies relating to Tongkat Ali raising testosterone levels. Check out the study below - http://www.ncbi.nlm.nih.gov/pubmed/19494825
Of course not all ED problems relate to low testosterone levels, far from it. Therefore there are various other approaches worth trying if your T-Levels are fine:
- L-arginine (see L-Arginine) alone has the ability to combat ED, but for many men it is insufficient. In combination with pycnogenol though, it is much more effective. The synergy between l-arginine and Pycnogenol appears to significantly increase the effects of l-arginine on either atime related or dose relates basis, depending on how you read this. - http://www.ncbi.nlm.nih.gov/pubmed/12851125
- A new study on diabetic men suffering from erectile dysfunction (due to vascular damage and the role of metabolic factors) suggests that propionyl-L-carnitine, L-Arginine and nicotinic acid (Ezerex) help to combat erectile dysfunction. They appear to be somewhat more effective when used with an inhibitor of 5-phosphodiesterase such as Levitra. On the IIEF5 scoring system (http://ts-si.org/files/IIEF-5ScoringSystem.pdf) the most effective version of the treatment showed an increment of 5 points, which in my view means that it's a good option for many men suffering from ED - http://www.ncbi.nlm.nih.gov/pubmed/19624286