Lose 8 pounds in June

Hello! First, I’m going to lose at least 8 pounds. What’s your take on supplements?
I’m 51 and needing some help ( I’ve been told with a stronger immune system ). BEFORE June 1 I was taking the following on most days . gummie multi – vitamin 2 g of sugar , Apple cider vinegar gummies 1 g of sugar and a powdered pack of vitamin C 6 g of sugar these types of supplements were NOT recommended by a doctor.