Key Parameters 2023 Hemoglobin A1c metabolic C-Peptide proxy marker for insulin production (pancreas) Vitamin D – 25 DHEA-S Adrenal gland function ESR erythrocyte sedimentation rate; rough marker for chronic inflammation Iron (Fe) Iron (Fe) Ferritin related to hyperinsulinemia and inappropriate chronic inflammation Fasting Insulin metabolic, pancreas GGT liver and biliary system: gall bladder, pancreas, kidneys … Continue reading Blood Markers