If you really want to reduce blood sugar levels then don't eat food that raise blood sugar, including a number of the ones on this list.
edit: “They are foods the will raise blood sugar levels LESS if you eat them instead of other foods that will do so even more.”
“These aren’t foods that reduce blood sugar levels. They are foods the will raise blood sugar levels if you eat them instead of other foods that will do so even more.”
Being part of the media, they’re not allowed to tell you to eat meat and other animal foods, as that contributes to climate change, which, apparently, is a higher priority than the health of their readers.