Crossword Clue:

a system of dieting

AnswerCrossword Clue
SPRATOne of a dieting duo.
SYLPHAny girl after a session of dieting.
ITSNOTWILLPOWERStart of a quip re dieting, not smoking, etc.
LAYOFFTHESWEETSA must-do when dieting
DRESSSIZEA person might drop one while dieting
THETHINBLUELINKDocumentary about an online connection to a dieting website?