Is it really okay to eat low-sugar salad dressing while on a diet?

These days, people place great importance on diet and health.

I went to the supermarket and saw low-sugar diet salad dressing

There are a wide variety of options.

0g or low sugars due to the use of allulose , It is said to be lower in calories than regular dressing.

Would a low-sugar dressing be better to eat with salad than a regular dressing?