baby tea, corn niblets

Question

happy holiday to all. My 1 year old lives on Taami instant herbal tea drink the ingredients are: Dextrose, sugar, fennel extract, glucose syrup, is it ok for passover??? Also green giant corn niblets ingred:corn, water, sugar, salt. I also would like to know if vanilla coca- cola is kosher for passover??thanks for your efforts and hard work.