Anyone do meal replacement shakes for weight loss?

Alana • Married | TTC #3 w/ APS | Mommy to 1 girl 👧🏼 & 1 boy 👦🏼 & 3 angels 👼🏼 |
I am, but was wondering how often you should do them. Like 1 meal a day? Or 1 meal a day every other day a week?
Please don't comment if you're going to say they are bad lol.