Skele-gro: A potion with a burning taste that re-grows bones. Madam Pomfrey gives it to Harry in Chamber of Secrets after Lockhart removes his bones following a Quidditch match. When the drinker has all of their bones, it can increase their size. Draco Malfoy references this in the Goblet of Fire, when he says that he'd always assumed Hagrid's unusual size was due to swallowing a bottle of Skele-gro. Bill Weasley\Fleur Delacour administer it to Griphook in the seventh book.

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