Israel’s SOLVEAT (see here previously) has produced a prototype of its herbal chocolate bar. A preliminary study found that it reduced blood sugar by 10 to 24 percent in 10 out of 12 participants with prediabetes. A clinical trial is underway; patient recruitment is unlikely to be a problem!
https://nocamels.com/2023/11/startups-herb-infused-chocolate-bar-supports-healthy-blood-sugar/