Normally Black-Walnut bark or nut bark you get at a herb store is not really for internal use, it is a fungal killer for like the feet, ect.
Not so sure I would take the quassia chips either, up to you!
Yes, you can beat anything, all you do is obey Nature and a few rules and the parasites soon have no mucus to live on and your friendly bacteria erase Candida/fungus (cancer).
To tell you the truth, being healthy is at least 100 times easier than being sick, the body hates to be sick!
Oh yes, no one uses Black-Walnut Male Buds, they are available a few days per year and then not always easy to find or pick. If you want the best, you read the research and this normally takes you to german books and then you set your goals on doing it the best you can, in other words, you'll have a problem finding the good stuff in a market that is driven by profits. Make your own, or buy the best, many times the best is the cheapest, because it is low volume!