What to watch with Glukose and longevity?

When linking glucose and longevity, the key focus is on glycemic control and insulin sensitivity. Chronically elevated blood glucose accelerates aging through oxidative stress, inflammation, and the formation of Advanced Glycation Endproducts (AGEs), which are strongly associated with age-related diseases. Established biomarkers include fasting glucose, HbA1c (long-term glucose), and HOMA-IR for insulin resistance. Postprandial glucose spikes are also an independent risk factor for cardiovascular disease and premature aging. Consumer DNA tests analyzing single genes like TCF7L2 or PPARG offer only weak, non-clinical predictions for glucose metabolism; their effect sizes are small and not actionable. Instead, regular monitoring with validated biomarkers (HbA1c, fasting insulin) combined with lifestyle interventions (diet, exercise, sleep) is evidence-based. Continuous glucose monitors (CGMs) can be useful for metabolically at-risk individuals but are not necessary for longevity in healthy people. Caveat: No consumer DNA test can predict lifespan or replace medical advice.