The baseline panel Here is the complete list of tests to request before starting tirzepatide: Metabolic markers: Comprehensive metabolic panel (CMP), which includes glucose, electrolytes, BUN, creatinine, calcium, and liver enzymes Hemoglobin A1c (HbA1c), your 2-3 month blood sugar average Fasting insulin and fasting glucose HOMA-IR calculation (derived from fasting insulin and glucose) Lipid panel: Total cholesterol LDL cholesterol (direct measurement preferred) HDL cholesterol Triglycerides VLDL cholesterol Liver function: ALT (alanine aminotransferase) AST (aspartate aminotransferase) Alkaline phosphatase (ALP) Total bilirubin GGT (gamma-glutamyl transferase), optional but useful Kidney function: Serum creatinine Blood urea nitrogen (BUN) Estimated glomerular filtration rate (eGFR) Cystatin C (recommended for more accurate kidney assessment) Urine albumin-to-creatinine ratio (UACR), especially if diabetic Thyroid function: TSH (thyroid stimulating hormone) Free T4 Free T3 (optional but informative) Thyroid antibodies if history of thyroid disease Complete blood count (CBC): White blood cells, red blood cells, hemoglobin, hematocrit, platelets Differential (neutrophils, lymphocytes, monocytes, eosinophils, basophils) Additional recommended tests: Vitamin B12 (especially if taking tirzepatide with B12 ) Vitamin D Iron panel (ferritin, TIBC, serum iron) Magnesium Pancreatic enzymes (lipase, amylase), baseline reference This might seem like an extensive list

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Glutathione: dehydroascorbate oxidoreductases [PMID: 7476366] Laboratory literature summary: Glutathione: dehydroascorbate oxidoreductases
While this is more than the average weight loss of other GLP-1 drugs, the medicine comes with increased severity of side effects