InsideTracker vs Function Health
Complete Head-to-Head Comparison
Compare costs, biomarker coverage, and value to find the best blood testing service for your needs
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
InsideTracker
Annual Cost$761
Tests per Year2
Total Biomarkers54
Cost per Test$380
Function Health
Annual Cost$365
Tests per Year2
Total Biomarkers160+
Cost per Test$182
Service Details
| Feature | InsideTracker | Function Health |
|---|---|---|
| Lab Locations | Quest/Labcorp | 2000+ Quest |
| Key Features | DNA integration, fitness tracker data, biological age (InnerAge), TERRA AI health guide, 10 healthspan categories | Cancer markers, autoimmune panel (ANA), advanced lipids (ApoB), heavy metals (lead), Omega-3, clinician review |
| Notes | $149/yr membership + $340/test. New customer bundle:$761 for membership + 2 tests. Mobile draw $99-119 extra. Estradiol/Progesterone add-on $99 | $365/year. 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. |
Biomarker Coverage Comparison
42
Tests in Common
0
Only in InsideTracker
66
Only in Function Health
Tests Only in Function Health
- VLDL Cholesterol(Lipid Panel / Cardiovascular Health)
- Lipoprotein (a)(Lipid Panel / Cardiovascular Health)
- LDL Particle Number(Lipid Panel / Cardiovascular Health)
- LDL Particle Size(Lipid Panel / Cardiovascular Health)
- Uric Acid(Metabolic Health / Glucose)
- ALP (Alkaline Phosphatase)(Liver Function)
- Bilirubin (Total)(Liver Function)
- Total Protein(Liver Function)
- Globulin(Liver Function)
- BUN (Blood Urea Nitrogen)(Kidney Function)
- eGFR (Estimated Glomerular Filtration Rate)(Kidney Function)
- BUN/Creatinine Ratio(Kidney Function)
- Sodium(Electrolytes &Minerals)
- Potassium(Electrolytes &Minerals)
- Chloride(Electrolytes &Minerals)
- Carbon Dioxide (CO2)(Electrolytes &Minerals)
- Calcium(Electrolytes &Minerals)
- Free T4 (Thyroxine)(Thyroid Function)
- Free T3 (Triiodothyronine)(Thyroid Function)
- TPO Antibodies (Thyroid Peroxidase)(Thyroid Function)
- Thyroglobulin Antibodies(Thyroid Function)
- Iodine(Thyroid Function)
- Selenium(Thyroid Function)
- Estradiol (E2)(Sex Hormones (Male))
- PSA (Prostate Specific Antigen)(Sex Hormones (Male))
- FSH (Follicle Stimulating Hormone)(Sex Hormones (Female))
- LH (Luteinizing Hormone)(Sex Hormones (Female))
- Prolactin(Sex Hormones (Female))
- AMH (Anti-Mullerian Hormone)(Sex Hormones (Female))
- ESR (Erythrocyte Sedimentation Rate)(Inflammation &Immune Markers)
- Homocysteine(Inflammation &Immune Markers)
- Vitamin B12(Vitamins &Nutrients)
- Folate(Vitamins &Nutrients)
- Omega-3 Index / Fatty Acids(Advanced / Specialty Markers)
- Heavy Metals - Lead(Advanced / Specialty Markers)
- Heavy Metals - Mercury(Advanced / Specialty Markers)
- IGF-1 (Insulin-like Growth Factor)(Advanced / Specialty Markers)
- HOMA-IR (Insulin Resistance)(Advanced / Specialty Markers)
- ANA Screen (Antinuclear Antibodies)(Autoimmune Markers)
- ANA Titer(Autoimmune Markers)
- ANA Pattern(Autoimmune Markers)
- Rheumatoid Factor (RF)(Autoimmune Markers)
- Celiac Disease Panel (Comprehensive)(Autoimmune Markers)
- CEA (Carcinoembryonic Antigen)(Cancer Screening Markers)
- CA-125 (Ovarian Cancer)(Cancer Screening Markers)
- CA 19-9 (Pancreatic/GI Cancer)(Cancer Screening Markers)
- AFP (Alpha-Fetoprotein - Liver Cancer)(Cancer Screening Markers)
- Neutrophil/Lymphocyte Ratio(Additional Specialized Tests)
- LDL-P (LDL Particle Number)(Additional Specialized Tests)
- LDL Particle Size Analysis(Additional Specialized Tests)
- HDL Subfractions (Large/Small)(Additional Specialized Tests)
- Cystatin C(Kidney Function)
- Reverse T3(Thyroid Function)
- Pregnenolone(Sex Hormones (Male))
- Zinc(Electrolytes &Minerals)
- Copper(Electrolytes &Minerals)
- Oxidized LDL (OxLDL)(Lipid Panel / Cardiovascular Health)
- Fibrinogen(Inflammation &Immune Markers)
- Lipase(Liver Function)
- PTH (Parathyroid Hormone)(Electrolytes &Minerals)
- Osteocalcin(Advanced / Specialty Markers)
- Leptin(Advanced / Specialty Markers)
- Adiponectin(Advanced / Specialty Markers)
- C-Peptide(Metabolic Health / Glucose)
- Immature Granulocytes(Complete Blood Count (CBC))
- Apolipoprotein A1 (ApoA1)(Lipid Panel / Cardiovascular Health)
Complete Biomarker Comparison by Category
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Ready to Choose?
Based on this comparison, make an informed decision about your blood testing provider
Frequently Asked Questions
Which provider is better:InsideTracker or Function Health?
Function Health provides better value with 43.8 biomarkers per $100 spent, offering more comprehensive coverage for your investment.
However, the best choice depends on your specific health goals, budget, and which biomarkers are most important for your situation.
How much do InsideTracker and Function Health cost per year?
InsideTracker costs $761 per year for 2,
while Function Health costs $365 per year for 2.
The cost per test is $380
for InsideTracker and $182
for Function Health.
What biomarkers does InsideTracker test that Function Health doesn't?
InsideTracker doesn't include any unique biomarkers that Function Health doesn't also test.
Can I use insurance with InsideTracker or Function Health?
Both InsideTracker and Function Health are direct-to-consumer services that typically don't accept insurance.
However, you may be able to submit receipts to your insurance for reimbursement if you have out-of-network benefits,
or use HSA/FSA funds for payment. Check with your insurance provider and the testing companies for specific policies.
How often should I get blood work done?
Most health optimization experts recommend testing 2-4 times per year to establish baselines and track trends.
InsideTracker includes 2 in their annual membership,
while Function Health includes 2.
More frequent testing allows you to track the effectiveness of interventions and catch changes early.
Where can I get blood drawn for these tests?
InsideTracker uses Quest/Labcorp,
while Function Health uses 2000+ Quest.
Both typically have thousands of collection centers nationwide. You'll schedule your blood draw through their platform after ordering.
Frequently Asked Questions
Which is cheaper, InsideTracker or Function Health?
Function Health is cheaper at $365/year compared to InsideTracker at $761/year.
Which tests more biomarkers, InsideTracker or Function Health?
InsideTracker tests 54 biomarkers while Function Health tests 160+ biomarkers.
What is InsideTracker best for?
InsideTracker offers 54 biomarkers for $761/year with 2 test(s) per year. Key features include:DNA integration, fitness tracker data, biological age (InnerAge), TERRA AI health guide, 10 healthspan categories
What is Function Health best for?
Function Health offers 160+ biomarkers for $365/year with 2 test(s) per year. Key features include:Cancer markers, autoimmune panel (ANA), advanced lipids (ApoB), heavy metals (lead), Omega-3, clinician review
Which offers better value, InsideTracker or Function Health?
Function Health offers better value with approximately 43.8 biomarkers per $100 spent, compared to InsideTracker's 7.1 biomarkers per $100.