### Clue: Potentially wretches with a gram being gained? (14)
### Answer: WEIGHTWATCHERS 
 ### Explanation: Definition: Potentially wretches with a gram being gained?
 **Anagram of**(Potentially) [WRETCHES WITH A **plus**(… being gained) G(abbrev. for "gram") ].
Defn: Those who would be feeling wretched, if they as much as gained a gram in weight, instead of losing kilos.