It should be fine, as long as you have a bottle cap of plain calcium in their cage. Personally, I use the Rephashy Calcium Plus for dusting with great success.
IMO Newborn hatchlings need Calcium as much as breeding females if not more. I would provide them all with a soda cap full in their tank at all times. Good luck!
I used to use herptivite but since my bottle ran out I have been keeping a bit of vionate in the food dishes of the hatchlings (the mealworms eat it as they wait to be eaten) and dusting feeders with Repashy Calcium Plus. I think calcium is the most important thing for hatchlings to have. I don't think dusting with vitamins every feeding would hurt but I think it's unnecessary, I think every other feeding would be fine.