Anything that treats "bad things happening", or "crazed immune system", or "crazed gut bacteria", will be a bandaid.
I think our first world lifestyles create a perfect storm of bad living that undermines the foundations of a healthy human being from a multitude of vectors. Not enough sunlight, not enough unprocessed fresh foods, not enough exercise, not enough fresh air, long term consumption and exposure to compounds and chemicals that work against your bodies natural processes.
A friend of mine had to go every other month to sit in a chair for 4 hours at a clinic to receive an IV drip that included medication to squash his immune system. Why? Because his immune system was attacking every joint in his body. He could not move without extreme pain without the treatment. Eventually he stopped eating the cheapest and most processed of garbage food, started exercising every day, gave up alcohol and diet sodas, and lost 75lbs. He found that he no longer needed the medication after about a year of turning his life around...