welche diät passt zu mir — which blood markers matter?

The question of which diet suits you is highly individual. Blood markers can offer clues but not a definitive prescription. Relevant markers include: fasting glucose and HbA1c (carb tolerance), triglycerides and LDL/HDL (lipid metabolism), hs-CRP (inflammation), vitamin D and iron status (micronutrient levels). Thyroid (TSH) and uric acid may also matter. Genetic tests for variants like MTHFR (folate metabolism) or APOE (lipid metabolism) add signals, but effect sizes are modest. Evidence for personalized nutrition based on blood markers is growing but still mixed. Many consumer tests overstate their predictive power. A doctor or dietitian should interpret results in context. Safety note: extreme diets without medical supervision risk nutrient deficiencies or metabolic issues.