The difference between using magic potions and scientifically formulated equine de-wormer, to target certain parasite species, is the EXODUS product worked in a day.
NO mess, no fuss. Down the hatch, chase with some juice and you are done.
Magic potions are good, but a crap shoot, OTC, cheap and readily available worm and parasite killers like Exodus or Equimax or Safeguard or Zimectrin are better, and they work immediately,