Function Health Worth It? Real Cost vs Value
Updated August 10, 2024
Is Function Health worth it? After four rounds of Function Health testing since August 2024, I have a clear answer. To me it is, but whether Function is worth it to you depends on what other services you are comparing it to and what you expect to get from the data.
This is not a full review of the platform (you can read my complete Function Health review for that). This article is specifically about the cost, the value of what you get for that cost and whether the membership makes financial sense for different kinds of people.
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What Function Health Actually Costs in 2026
Function Health costs $365 per year. This is down from their original price at launch of $499 per year. As a reader of Heal Nourish Grow, you can get an additional $25 off and skip the wait list, just by using this link, bringing your cost down to $340 a year. For that price, you get two comprehensive blood draws at Quest Diagnostics (over 100 biomarkers each), clinician-reviewed notes after both rounds, a biological age calculation, AI health coach access and a dashboard that tracks trends across all your testing rounds. The membership is HSA and FSA eligible, which means you can pay with pre-tax dollars and reduce the effective cost by 25 to 35 percent depending on your tax bracket.
There are no per-test fees, no surprise charges and no additional cost for biological age or clinician notes. Optional add-ons like the Galleri multi-cancer screening, ApoE genotyping, the Omega panel and the newer full-body MRI scan are available at extra cost, but the base membership covers everything most people need.
The Cost Per Biomarker Math
My February 2026 dashboard showed 130 biomarkers tested (including add-ons I selected). At $365 per year for two draws, that works out to roughly $1.40 per biomarker per draw, or $2.81 per biomarker annually. Factor in the $25 reader discount and HSA or FSA pre-tax dollars, and the real cost per biomarker drops even further, which is the number that matters when you are deciding whether this membership earns its place in your budget.
To put that in perspective, ordering comparable tests piecemeal through a direct-to-consumer lab service like Ulta Labs or LabCorp OnDemand would cost $1,500 or more. Even a basic panel through your doctor, assuming insurance covers it, typically tests 20 to 30 markers and does not include things like Lp(a), heavy metals, ApoB or inflammatory markers like hs-CRP that Function Health includes in the base panel.
For comparison, InsideTracker's Ultimate test covers up to 54 biomarkers for $489 a year, working out to roughly $9.06 per biomarker. Hundred Health costs $199 per year for over 160 biomarkers across two draws (although you can save $50 at Hundred with my link). Superpower starts at $199 per year for its baseline panel. On a straight cost-per-biomarker basis Hundred Health and Superpower now come in lower, but Function Health still costs a fraction of InsideTracker, and its price includes two draws a year, a deep add-on menu and the full clinician review that the cheaper baseline panels do not match.
One way to squeeze more value from labs you have already paid for: the CBC in every panel can double as an aging biomarker. My free biological age calculator turns those numbers into a blood age estimate using the protocol from a 2026 study of 163,000 people, at no cost beyond the testing you were doing anyway.
| Service | Annual price | Biomarkers | Draws per year | Cost per biomarker |
|---|---|---|---|---|
| Function Health | $365 ($340 with my link) | 100+ (130 with add-ons) | 2 | ~$2.81 |
| Hundred Health | $199 ($149 with my link) | 160+ | 2 | ~$1.24 |
| InsideTracker (Ultimate) | $489 | Up to 54 | 1 | ~$9.06 |
| Superpower | $199 | 102 (baseline) | 1 | ~$1.95 |
Annual cost and cost per biomarker across the main Function Health alternatives. Hundred Health and Superpower share the lowest entry price at $199, while Function Health costs more but includes two draws a year and full clinician review.
What the Testing Was Actually Worth to Me
The real answer to whether Function Health is worth it came from what the testing actually surfaced. Across four rounds it tracked my recovery from NPC competition prep (my hemoglobin had dropped to 8.6 g/dL and rebounded to 14.3 by February 2026), validated that my keto approach is working (glucose 86, HbA1c 5.2 and insulin 2.7, flagged by my clinician as outstanding blood sugar balance), confirmed a consistently low inflammatory baseline and returned a biological age of 37.3. I walk through all of those results, the screenshots and the full clinician notes in detail in my Function Health review. For the cost question, the point is simpler: the data was specific, personal and actionable, which is exactly what turns a $365 membership into something worth renewing.
The longitudinal angle is where the value really compounds. One of my liver enzymes once spiked after a hard leg workout and looked alarming on paper, but because I could watch it drop back to normal on the very next draw, I avoided unnecessary worry and a round of follow-up testing with my doctor. That is the kind of money-and-stress saving a single one-time panel simply cannot give you, and for me it is a real line item in the value calculation.
How the Cost Compares to Alternatives
On pure cost and value, Function Health sits in a strong middle position. A standard annual physical tests roughly 20 markers and misses most of what Function catches. Superpower is cheaper at $199 a year but tests once rather than twice and covers less depth. InsideTracker runs well over $700 for comparable testing, while Hundred Health now comes in lower at $199 a year for 160+ markers across two draws. For the full head-to-head detail I keep dedicated comparisons: my Function Health vs Superpower and InsideTracker vs Function Health breakdowns go marker by marker, and I am pulling the wider field together in a full Function Health alternatives roundup.
Who Function Health Is Not For
Function Health is not a replacement for your primary care doctor. It does not diagnose or treat conditions. If you get an alarming result, you still need to follow up with your physician.
It is also not worth it if you are not going to do anything with the data. If you get your results and never look at them again, or never make any changes to impact your labs, you are paying $365 for a dashboard you do not use. The value comes from tracking trends over time, making lifestyle adjustments based on what you learn and retesting to see if those adjustments are working.
And if you are on a tight budget, Superpower at $199/year is a legitimate alternative that covers the fundamentals. You can read my Superpower review here.
Is There a Function Health Discount Code?
Yes. Heal Nourish Grow readers can save $25 on a Function Health annual membership through my referral link. No promo code or coupon is needed at checkout. The discount applies automatically when you sign up through the link. Use this link to skip the waitlist and save $25 on Function Health. This brings your first year down to $340, or about 93 cents a day for 100+ biomarkers tested twice a year with full clinician review.
Function Health does not have a traditional discount code or coupon code field at checkout. Their pricing model works through referral links instead of promo codes, which is why you will not find an active Function Health discount code on coupon aggregator sites that actually applies the savings. Search results for Function Health promo code or Function Health coupon code often return expired or never-valid codes from third-party sites. The referral link is the only reliable way to get a Function Health discount in 2026.
The $25 savings stacks with HSA and FSA eligibility. If you pay with HSA or FSA pre-tax dollars, your effective cost drops further by 25 to 35 percent depending on your tax bracket. Combined with the $25 referral discount, that brings the real out-of-pocket cost closer to $220 to $255 for a full year of biomarker testing.
The Bottom Line
At $1 per day, Function Health has paid for itself multiple times over in what it has taught me about my body. The hemoglobin recovery alone would have been worth it. The biological age result is motivating. The metabolic validation gives me confidence in my nutrition approach. And the longitudinal data has fundamentally changed how I think about health testing.
If you are the kind of person who tracks their sleep, wears a health wearable or pays attention to what you eat, Function Health gives you the blood-level data that makes all of that other data more meaningful. You can skip the waitlist for Function Health here.
Get the Free Blood Test Biomarker Cheat Sheet
I put together a downloadable cheat sheet with the most important biomarkers to track, what optimal ranges look like and which ones most doctors skip. Just click the button at the bottom of the email to download your copy.
frequently asked questions
How much does Function Health cost?
Function Health costs $365 per year. This includes two comprehensive blood draws covering 100+ biomarkers each, clinician-reviewed notes, biological age calculation and AI health coach access. The membership is HSA and FSA eligible. Optional add-ons like ApoE genotyping and the Galleri cancer screening are available at additional cost.
Can you use HSA or FSA for Function Health?
Yes. Function Health is HSA and FSA eligible, which means you can pay with pre-tax dollars. Depending on your tax bracket, this can reduce the effective cost by 25 to 35 percent, bringing the real price closer to $235 to $275 per year.
Is Function Health covered by insurance?
No. Function Health is a membership service and is not covered by health insurance. However, the HSA and FSA eligibility partially offsets the out-of-pocket cost. If you tried to order the same biomarkers through traditional lab channels, the total cost would exceed $1,500 even with insurance co-pays.
Is there a Function Health discount code?
Yes. Heal Nourish Grow readers can save $25 on the annual Function Health membership through my referral link. No code is needed at checkout, the discount applies automatically. Use this link to save $25 on Function Health. This brings your first year cost down to $340 instead of $365.
Does Function Health have a promo code or coupon code?
Function Health does not use traditional promo codes or coupon codes at checkout. Discounts are applied through referral links instead. My referral link gives you $25 off your annual membership with no code required. Most Function Health promo code results on coupon aggregator sites are expired or never valid in the first place, because the platform has never used a code-based discount model.