Probiotics and prebiotics (kefir and oat bran or rice bran), or supplements (Inulin and fructo-oligosaccharides) will replenish the flora, and they will produce acids which control the pathogens.
You can also take some coconut oil with meals, like 2 tbspoons. It contains lauric and caprylic acids, both great antifungals.
You cannot kill the candida. It is part of the body, but you have to restore the healthy flora, in order to control it's overgrowth and mutation.