Yes, my GI symptoms were very, very low level while I enjoyed my time without infections.
Lion's mane has been scientifically proven to help rebuild the myelin sheath, which is what gets damaged most often with these infections:
www.ncbi.nlm.nih.gov/pubmed/12675022www.livestrong.com/article/509385-lions-mane-mushroom-for-nerve-damage/ Depending on what your exact symptoms are, they could still be from these infections. I have had slowed gastric emptying, intestinal cramping (by far my worst issue), low stomach acid, leaky gut and likely a few more things that I have never bothered to get diagnosed for.