maybe he has low testosterone but much higher DHT. Saw Palmetto is sometimes taken to inhibit the enzyme, 5aReductase, that is involved in conversion of T to DHT.

I don't know if this is relevant but it is interesting.
http://www.nature.com/news/2010/101201/full/news.2010.641.html

Low T is not uncommonly reported in heavy metal detox groups. For example this recent post with hormone test results by a 20-something with low sex drive, etc.
https://groups.yahoo.com/neo/groups/frequent-dose-chelation/conversations/mes...