What is the difference between the red, blue and peach top?

Yakult Original (red top) and Yakult Balance (blue top) and Yakult Plus Peach (peach top). They all contain the same number of our unique bacteria; however, Yakult Balance is rich with vitamin D. Yakult Plus Peach is rich in vitamin C and contains fibre. Yakult Balance and Yakult Plus Peach contains less sugar and fewer calories than Yakult Original.