Witch Watchers was a wizarding weight management company. They ran an advert in the Daily Prophet in 1996 for a new line of diet potions that supposedly allowed users to eat as much as they pleased while still losing weight.
Behind the scenes
- The naming may be a play on the real-life weight-loss program Weight Watchers.
- Harry Potter and the Half-Blood Prince (film) (Mentioned only)
- Harry Potter Limited Edition (Mentioned only)