I agree. I remember a long time ago using saw palmetto to keep my PSA down. My urologist warned me that it produces a false negative PSA result . Don’t know the biochemical reason why but perhaps mushrooms do the same thing?
A friend of mine took a pharmaceutical dose of green tea extract for his leukemia rather than chemo. His doctor at Leahy Clinic in Boston actually encouraged him on this. IT WORKED! His blood was good for years.
Now Green Tea is also touted as lowering PSA and fighting prostate cancer (and others). But the guy GOT prostate cancer and had surgery. So be careful of JUST looking at PSA even though it’s the only real marker we have right now aside from certain genomic tests.
BTW, my friend beat leukemia, beat prostate cancer and then fell off a ladder trying to clean his gutter on the second story of his home. He is still confined to a wheelchair to this very day….sometimes you just can’t win…