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You might live an active lifestyle or are a health-conscious individual, but still can’t seem to get a grasp on your health. Your biomarkers, aka characteristics in your blood, are a sign of normal/abnormal processes. Understanding the breakdown of these biomarkers can be complicated. That’s where at-home diagnostics come into play.
At-home diagnostics allow you to understand your biomarkers in a digestible way. They provide you with actionable insights that allow you to adjust your lifestyle for better health. Using a blood sample, you can get real-time results with plans to proactively monitor your health. I compared the top 2 tests on the market — SiPhox Health and Function Health — on convenience, affordability, and integration. Which one is the best?
Quick Verdict
With its affordable price, convenience, and breadth of testing, SiPhox Health stands out as the best choice.
| SiPhox | Function Health | |
|---|---|---|
| Method of Test | Finger prick or EasyDraw from the arm | Blood drawn in lab |
| Convenience | 9/10 | 7/10 |
| Target Areas | Comprehensive: Heart, Metabolic, Hormonal, Thyroid, Inflammation, Nutrients, and more | Comprehensive: Heart, Metabolic, Hormonal, Thyroid, Inflammation, Nutrients, and more |
| # of Biomarkers | 20-50 (depends on plan), 100+ if you upload your standard yearly physical blood test from primary care | 100+ |
| Frequency options | Every month, 3 months, or 6 months | 6 months |
| Price per Year | $99-$243 | $499 |
| Wearable Integration? | YES | NO |
| Our Rating | ★★★★½ | ★★★★☆ |
Convenience

SiPhox has a convenient, streamlined process.
With just a few questions, you can communicate your healthcare goals to SiPhox Health. They will provide you with a personalized, healthcare program. You’ll receive an at-home blood test, assessing various biomarkers, such as cardiovascular and nutritional health.
The at-home blood marker test is incredibly easy to use. All it takes is an EasyDraw shoulder collector or finger-prick. There is minor discomfort, but it eliminates the stress of lab visits. Experts will review your results and write personalized insights and recommendations. You’ll then receive a custom action plan. Frequency ranges from every month to every six months.

Function Health requires a lab test.
Function Health offers one membership that comes with 100 lab tests and two lab visits a year (at participating providers like Quest Labs.) In two to three weeks, a clinician will review your lab results and deliver notes to your Function dashboard. This will come with personalized lists of foods to consume and avoid, along with specific adjustments to make in your daily life.
Affordability
SiPhox Health is the lower cost-per-biomarker.
Prices depend on the frequency of tests. If you test monthly, you can pay as low as $99 per kit. Every three months is $113 per kit. A one-time purchase is $145 per kit. Every six months is $127 per kit.
Function Health is a higher price for not-as-comprehensive action plans.
The Function Health annual membership comes with the ability to test over 100+ biomarkers and two lab visits a year. This is priced at $499. The higher price tag does all you to test for a variety of health categories.
Wearable Integration
SiPhox Health has real-time integration with wearables.
A convenient feature that optimizes daily lifestyle monitoring is the integration with smart devices, such as an Apple Watch or Whoop. SiPhox is compatible with 300+ devices. This takes your biomarker insights and combines them with wearable data for personalized coaching and daily monitoring.
Some of their programs come with devices to track your levels. The Heart and Metabolic program comes with a blood pressure monitor to identify and prevent any health issues. You can upgrade the Core Health program (metabolic, cardiovascular, and hormonal wellness) to have a continuous glucose monitor. SiPhox’s technology allows you to go about your day stress-free while staying on top of your health.
Function Health offers no wearable device integration.
Bottom Line
As you age, there might be hidden issues, such as hormone imbalances or high cholesterol, that only your biomarkers can reveal. Understanding your blood results can be complicated, but with the biomarker test, you can get a grasp of your health easily. Though Function Health is comprehensive in tracking biomarkers, it lacks the convenience that SiPhox provides.
SiPhox Health allows you to test your blood in the comfort of your own home. It provides personalized coaching and recommendations that are easy to implement. Get $100 off your SiPhox test with a purchase of $300 or more.