5 2 with replacement shakes - diet tonic?

[Ariawyn]

Im doing 5 2with replacement shakes

Can I have 3 slimfast shakes and drink diet tonic as well?

Or do I need to be more restrained?

Hi im doing the same with slimfast find it works for me i swim x3 a week walk x2 for 45 mins a week been doing for 2 weeks now 😊

The advice in the book is to avoid artificially sweetened drinks as it doesn't help re-educate your taste for sweet things.