This is a great product to base a rebuild of the microbiome. I have a scoopful every day in a smoothie. For me it works best if I steer clear of grains and dairy - it stabilises my gut so I don't have the bowel problems that I used to have.
this has helped my immune system lot
Bragg Apple Cider Vinegar
Herbs of Gold Magnesium Forte
ATP Science Gutright