Fudd's Grow-All is a medicinal potion used to heal and regrow bones; it is similar to the British product Skele-Gro.
Maximilian King packed a supply of the potion for his journey through the Lands Below in May 2009, and took a dose after being kicked in the chest by the deer-woman Bewi.
During the Summer of 2010, Alexandra Quick was given a dose of the potion by Dr. Livia Pruett after a ghastly Splinching accident. In June 2011, Quick was given another dose to mend a broken jaw and several damaged teeth.