If you don't have insulin resistance then monitoring glucose won't help, because in a metabolically healthy system glucose remains in a healthy narrow homeostas

If you don't have insulin resistance then monitoring glucose won't help, because in a metabolically healthy system glucose remains in a healthy narrow homeostasis as a result of tissue insulin sensitivity. A recent study found that "40% of US adults aged 18 to 44 are insulin-resistant based on HOMA-IR measurements." So that's two out of five of the US population that could well benefit from glucose monitoring, many still far from a diabetes diagnosis. A large fraction of the remainder on the margins could too. If you eat a common modern amount of carbohydrates and ultra processed foods you would be exceptional to die of old age without insulin resistance and its widespread damage. https://www.ncbi.nlm.nih.gov/books/NBK507839/ https://www.ncbi.nlm.nih.gov/books/NBK507839/