be on a diet

Examples (10)

• I'd love a dessert, but I'm on a diet.
• She was on a strict diet before her wedding.
• How long have you been on this diet?
• He will be on a special diet for the next six weeks.
• They're both on a high-protein diet to build muscle.
• You don't look like you're on a diet at all!
• If I were on a diet, I couldn't eat this delicious cake.
• The doctor advised that the patient be on a low-sodium diet.
• Being on a diet is challenging, especially during the holidays.
• My doctor says I need to be on a gluten-free diet for health reasons.