I've been trying to help a friend level up. It seems that he cannot drop experience kits, or they're very rare in comparison to 110s dropping them. Is it true that players under level 110 cannot drop them at all?

As of right now, it seems like it might be more advantageous to run on a level 110 and farm experience kits in order to level up another toon instead of actually farming orbs on the toon under 110. I'll have to try myself on a lower level toon later on, but this is just a quick observation I've noticed after running on my 110 with a friend who was leveling up.