There aren't. Or at least, if there are, Jonah Falcon isn't telling me.
Jonah, of course, is famous for his record-breaking 13.5-inch penis and it's pretty clear based on recent photos that Jonah has been working out.
But when asked, he referred to the usual stuff about working out and eating better.
C'mon Jonah -- what are your secrets? And why won't you share?
See more of my friend Jonah Falcon and his record-breaking 13.5-inch penis in this special gallery.
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- Penises Chopped, Chewed & Tattooed