That's why the big deal about antioxidant rich foods is well supported by lots of scientific research. (organicauthority.com)
And I'm not willing to die for this suggestion, for it is just a suggestion... which I think has lots of scientific research in its favor. (nakedpastor.com)
A lot of scientific research has gone into where this is and from here accepted cut offs have been established which are used internationally to rate foods as low, moderate or high FODMAP at certain portion sizes. (fodmapfriendly.com)