vs
Function’s annual membership includes an initial blood panel, a smaller follow-up panel and written clinician review. InsideTracker pairs its Ultimate blood test with an annual interpretation and tracking membership. Compare the tests you receive and the help provided after the results arrive.
At a glance
1 annual membership
1 annual membership
$365/yr
$489/yr
125 markers
67 again at a follow-up
47 markers
- Membership$365/yr125 markers
- Membership + Ultimate$489/yr47 markers
Compare offerings
$365/yr
First year
Annual membership
Then $365 per year
$489/yr
First year
Annual membership
125 markers
67 again at a follow-up
47 markers
What’s included
Markers in each selected offering. Where the other provider sells a marker as an add-on, it’s labelled.
Heart health
- Large HDL Particle Number
- LDL Particle Number (LDL-P)
- LDL Particle Size (peak diameter)
- LDL Pattern
- Lipoprotein(a) [Lp(a)]
- Medium LDL Particle Number
- Non-HDL Cholesterol (Non-HDL-C)
- Small LDL Particle Number
- Total Cholesterol to HDL Ratio
Metabolic health
- Chloride
- Leptin
- Total Carbon Dioxide (CO2)
- Heart health5
- Metabolic health5
- Hormones5
- Thyroid1
- Nutrition6
- Inflammation1
- Liver health3
- Blood health10
- Proteins1
Nutrition
- Folate (Vitamin B9)
- Magnesium (red blood cell)Add-on with Function
- Magnesium (serum)
- Vitamin B12Add-on with Function
Blood health
- BasophilsAdd-on with Function
- EosinophilsAdd-on with Function
- LymphocytesAdd-on with Function
- MonocytesAdd-on with Function
- NeutrophilsAdd-on with Function
Muscle health
- Creatine Kinase (CK)
Getting tested
Function includes initial and follow-up testing within the membership year. InsideTracker’s starting package includes one Ultimate blood test; its annual membership does not mean another blood draw is included.
Included
Included
Extra fee—amount not published
Additional fee varies by location and is paid during scheduling; address availability applies.
Extra fee—amount not published
$119 mobile collection; subject to address availability.
Results and help
Both provide online results and tracking. Function includes written clinician review. InsideTracker focuses on interpreting results through its dashboard and app.
Biomarker values with explanations, action items and a written clinician summary.
Personalized analysis, health-category scores and recommendations in your InsideTracker dashboard.
Web · iPhone · Android · Download results as PDF and upload previous records
Web · iPhone · Android
First results typically begin within 48 hours; the full panel and written review arrive progressively.
Usually 7–10 business days.
Clinician review AI assistant Contact about concerning results
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Cost and terms
Function bundles testing into its annual membership. InsideTracker’s package combines one blood test with a membership; separate testing purchases and membership renewal are distinct costs.
Purchase: $365
Purchase: $489