Grape Seed Oil
In studies, grape seed oil has been proven to be very effective against yeast infections. Consuming the oil regularly is known to protect against yeast build up that causes the infections. Grape seed oil can be consumed by cooking with it, putting it in sauces, applying it as a spreads or many other culinary uses.
Black walnut contains juglone and tannins, which can rid the body of yeast thereby protecting your body from the increased toxicity in your bloodstream. This same antifungal action makes black walnut very useful against yeast infections.