Use the phrases to complete the sentences.

1. Jenny is on a ... so don't offer her any bread!

2. If you want to avoid ... drink lots of water and eat oily fish.
3.Cleaning your teeth twice a day helps to prevent ... .
4. My personal trainer at the gym gave me some very good ... .

5. I love ... but it gives me terrible indigestion.
6. Since I have been taking ... feel much fitter.