There was an authorised book set in the same fictional universe.
On Fire: A Teen Wolf Novel by Nancy Holder
and a brief (3 part) comic serial.
Teen Wolf: Bite Me
During the series' run, there was an online viral game website
Teen Wolf: The Hunt
There seems to be no "base strength" equivalent, as to say "the weakest werewolf can bench at least 800 lbs". If anything, this seems to be a highly "personalized" aspect; in one season 4 or 5 episode, Scott, now a true Alpha, is taking on a humongous werewolf bruiser... and while holding his own, he can't over power the guy by sheer force. To which this ...