Is there a Substitute for OJ and pineapple juice?

Yes, there are several substitutes for Orange Juice and PineApple Juice. For orange juice, you can use grapefruit juice or a blend of lemon and lime juice with a bit of sugar for sweetness. For pineApple juice, mango juice or a mixture of Apple juice with a splash of lemon or lime can work well. Adjust the sweetness and acidity to match your desired flavor profile.