Your healthy gut flora is the foundation of this, so supplementing with the highest quality probiotics you can afford will help a lot
Coconut oil would be the other consideration,
with no known
side effects when taken gradually starting
with 1T daily week one, 2T week 2, until 4T
in week 4. Therapeutic dose is 6T daily-maintenance 4T daily.
Look into the long list of medicinal properties of coconut oil:
Anti-fungal. anti-parasitic, anti-viral, anti-microbial.