Function Health vs Marek Health Complete

Complete Head-to-Head Comparison

Compare costs, biomarker coverage, and value to find the best blood testing service for your needs

Function Health
Marek Health Complete
✓ Independent Analysis✓ Prices verified Aug 2026✓ Complete Biomarker Coverage

Quick Comparison Summary

Best Value
Function Health
43.8 biomarkers per $100
Most Comprehensive
Function Health
160+ biomarkers tested
Most Tests Per Year
Function Health
2 tests/year

Cost & Value Comparison

Service Details

FeatureFunction HealthMarek Health Complete
Lab Locations2000+ QuestNationwide
Key FeaturesCancer markers, autoimmune panel (ANA), advanced lipids (ApoB), heavy metals (lead), Omega-3, clinician reviewHormone optimization focus, TRT support, venipuncture included, Male/Female panels, custom panel builder
Notes$365/year, single membership tier (reduced from $499; Function announced the $365 price directly). 160+ lab tests 2x/year plus on-demand testing. GRAIL cancer screening, MRI/CT scans, Alzheimer's testing, mold reactivity as add-ons. HSA/FSA eligible.Comprehensive panel. 45-min expert review sessions available. Heavy metals and advanced markers

Biomarker Coverage Comparison

74
Tests in Common
31
Only in Function Health
5
Only in Marek Health Complete

Tests Only in Function Health

19 more

Tests Only in Marek Health Complete

Full biomarker tableall 110 markers, side by side

Filter by Category

BiomarkerFunction HealthMarek Health Complete
Complete Blood Count (CBC)
Hemoglobin✓✓
Hematocrit✓✓
Red Blood Cell Count (RBC)✓✓
White Blood Cell Count (WBC)✓✓
Platelet Count✓✓
MCV, MCH, MCHC✓✓
RDW (Red Cell Distribution Width)✓✓
Mean Platelet Volume (MPV)✓✓
Reticulocyte Count—✓
Immature Granulocytes✓✓
nRBC (Nucleated Red Blood Cells)—✓
Neutrophils✓✓
Lymphocytes✓✓
Monocytes✓✓
Eosinophils✓✓
Basophils✓✓
Lipid Panel / Cardiovascular Health
Total Cholesterol✓✓
LDL Cholesterol✓✓
HDL Cholesterol✓✓
Triglycerides✓✓
VLDL Cholesterol✓✓
Apolipoprotein B (ApoB)✓✓
Lipoprotein (a)✓✓
LDL Particle Number✓—
LDL Particle Size✓—
Oxidized LDL (OxLDL)✓—
Apolipoprotein A1 (ApoA1)✓—
Metabolic Health / Glucose
Fasting Glucose✓✓
Hemoglobin A1c (HbA1c)✓✓
Insulin✓✓
Uric Acid✓✓
C-Peptide✓—
Liver Function
ALT (Alanine Aminotransferase)✓✓
AST (Aspartate Aminotransferase)✓✓
ALP (Alkaline Phosphatase)✓✓
GGT (Gamma-Glutamyl Transferase)✓✓
Bilirubin (Total)✓✓
Albumin✓✓
Total Protein✓✓
Globulin✓✓
Lipase✓—
Kidney Function
Creatinine✓✓
BUN (Blood Urea Nitrogen)✓✓
eGFR (Estimated Glomerular Filtration Rate)✓✓
BUN/Creatinine Ratio✓✓
Cystatin C✓✓
Electrolytes & Minerals
Sodium✓✓
Potassium✓✓
Chloride✓✓
Carbon Dioxide (CO2)✓✓
Calcium✓✓
Magnesium✓✓
Zinc✓—
Copper✓—
PTH (Parathyroid Hormone)✓—
Thyroid Function
TSH (Thyroid Stimulating Hormone)✓✓
Free T4 (Thyroxine)✓✓
Free T3 (Triiodothyronine)✓✓
TPO Antibodies (Thyroid Peroxidase)✓✓
Thyroglobulin Antibodies✓✓
Iodine✓—
Selenium✓—
Reverse T3✓✓
Total T3—✓
Sex Hormones (Male)
Total Testosterone✓✓
Free Testosterone✓✓
SHBG (Sex Hormone Binding Globulin)✓✓
PSA (Prostate Specific Antigen)✓✓
DHEA-S✓✓
Pregnenolone✓✓
Sex Hormones (Female)
Estradiol (E2)✓✓
Progesterone✓✓
FSH (Follicle Stimulating Hormone)✓✓
LH (Luteinizing Hormone)✓✓
Prolactin✓✓
AMH (Anti-Mullerian Hormone)✓—
Inflammation & Immune Markers
hs-CRP (High Sensitivity C-Reactive Protein)✓✓
ESR (Erythrocyte Sedimentation Rate)✓—
Homocysteine✓✓
Fibrinogen✓—
Vitamins & Nutrients
Vitamin D (25-Hydroxy)✓✓
Vitamin B12✓✓
Folate✓✓
Ferritin✓✓
Iron (Serum)✓✓
TIBC (Total Iron Binding Capacity)✓✓
UIBC (Unsaturated Iron Binding Capacity)—✓
Stress & Adrenal Function
Cortisol✓✓
Advanced / Specialty Markers
Omega-3 Index / Fatty Acids✓✓
Heavy Metals - Lead✓—
Heavy Metals - Mercury✓—
Creatine Kinase✓✓
IGF-1 (Insulin-like Growth Factor)✓✓
HOMA-IR (Insulin Resistance)✓✓
Osteocalcin✓—
LDH (Lactate Dehydrogenase)—✓
Leptin✓—
Adiponectin✓—
Autoimmune Markers
ANA Screen (Antinuclear Antibodies)✓—
ANA Titer✓—
ANA Pattern✓—
Rheumatoid Factor (RF)✓—
Celiac Disease Panel (Comprehensive)✓—
Cancer Screening Markers
CEA (Carcinoembryonic Antigen)✓—
CA-125 (Ovarian Cancer)✓—
CA 19-9 (Pancreatic/GI Cancer)✓—
AFP (Alpha-Fetoprotein - Liver Cancer)✓—
Additional Specialized Tests
Neutrophil/Lymphocyte Ratio✓—
HDL Subfractions (Large/Small)✓—
Transferrin Saturation✓—
Urinalysis
Pancreas & Digestive

Ready to Choose?

Based on this comparison, make an informed decision about your blood testing provider

Frequently Asked Questions

Which is cheaper, Function Health or Marek Health Complete?
Function Health is cheaper at $365/year, compared with $895/year for Marek Health Complete.
How much do Function Health and Marek Health Complete cost per year?
Function Health costs $365/year for 2 tests ($182 per test). Marek Health Complete costs $895/year for 1 test ($895 per test).
Which tests more biomarkers, Function Health or Marek Health Complete?
Function Health lists more biomarkers: 160+, compared with 100+ for Marek Health Complete. Of the markers in our database, 74 are in both panels.
Which gives more biomarkers per dollar, Function Health or Marek Health Complete?
Function Health gives more biomarkers per dollar: 43.8 per $100 of annual cost, compared with 11.2 for Marek Health Complete. Count alone does not decide it; check whether the markers you need are included.
What does Function Health test that Marek Health Complete doesn't?
31 markers in our database are in Function Health's panel but not Marek Health Complete's, including LDL Particle Number, LDL Particle Size, Iodine, and 28 more.
What does Marek Health Complete test that Function Health doesn't?
5 markers in our database are in Marek Health Complete's panel but not Function Health's, including Reticulocyte Count, LDH (Lactate Dehydrogenase), UIBC (Unsaturated Iron Binding Capacity), and 2 more.
How many tests per year do Function Health and Marek Health Complete include?
Function Health includes 2 tests per year. Marek Health Complete includes 1 test per year.
Where do Function Health and Marek Health Complete draw blood?
Function Health: 2000+ Quest. Marek Health Complete: Nationwide.
Can I use insurance with Function Health or Marek Health Complete?
Both are direct-to-consumer services paid out of pocket. Some buyers pay with HSA/FSA funds or submit receipts for out-of-network reimbursement; check with your plan and the provider.

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