You boost your immune response by supporting your immune system and taking care of yourself. Undecenoic acid is also called SF722.
He is completely correct in his statement and antifungals only kill the candida but don’t much else. Its like battling weeds in your yard…they just keep growing back.
Coconut oil also contains undecenoic acid.
Acids break down the barriers that protect yeast, microbes, etc.