Back to all biomarkers
Metabolic
HbA1c
Glycated hemoglobin — reflects your average blood sugar levels over the past 2-3 months.
Optimal Range
< 5.4% (optimal) · 5.7-6.4% (prediabetic)
Why It Matters
HbA1c is the gold standard for assessing long-term glucose control. Even 'normal' levels above 5.4% correlate with increased cardiovascular and cancer risk in longevity-focused frameworks.