For example deflect instead of binding to lectins in your system, to clean you out, could bind to less offensive things in food.
The others could be for maximum absorption, or other conflict that may limit their uptake.
Some thing can counter act each other, like quercertin and Trehalose. They perhaps neutralize each other.
Probiotics I would be curious if they manifest in the stomach or small intestines at larger amounts, so when you do eat food you are effectively moving more through you, but I don't know. After all different foods can cause a decline in the entric bacteria so why not have as many as possible to keep the balance on the good side.