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Dr. B vs Function Health: Which Is Better?

Head-to-head comparison of Dr. B and Function Health based on our independent scoring across trust, value, experience, product range, and reputation — plus real pricing for the treatments they both offer.

Our Verdict

Dr. B scores higher overall in our independent evaluation (78/100 vs 76.3/100), leading on trust & safety, value, product range, reputation. Function Health comes out ahead on experience.

78
Dr. B
Very Good

Dr. B is a New York async telehealth platform, founded by former Zocdoc CEO Cyrus Massoumi, offering $19 consultations across 30+ conditions including hair loss, acne, and rosacea.

Visit Dr. B
76

Direct-to-consumer lab testing membership offering 160+ biomarkers twice yearly through Quest Diagnostics, with clinician-reviewed results and action plans.

Visit Function Health

Score Breakdown

DimensionDr. BFunction Health
Overall Score78/100 ✓76.3/100
Trust & Safety30%80/100 ✓78/100
Value25%85/100 ✓80/100
Experience20%72/10082/100 ✓
Product Range15%70/100 ✓60/100
Reputation10%78/100 ✓75/100

At a Glance

Founded20212021
HeadquartersNew York, NYAustin, TX
Publicly tradedNoNo
Treatment categories31
Treatments listed32
Starting price$19/mo$49/mo

Pricing Where They Compete

Prices shown are based on our most recent research and may not reflect current pricing. Telehealth providers update their pricing frequently. Always verify pricing directly with the provider before purchasing.

CategoryDr. BFunction Health
Primary Care$19
Async Telehealth Consult
$49–$99
At-Home Blood Draw Add-On

Dr. B

+Flat $19 consult price with no membership is a genuine low-cost outlier versus most direct-to-consumer telehealth
+Founder credibility from Cyrus Massoumi's Zocdoc track record, plus national press coverage (NYT, TIME)
+Broad 30+ condition list spanning hair loss, dermatology, and everyday primary care from a single intake
−Shorter operating history (founded 2021) means less accumulated patient-review volume than established competitors
−Consult is async only — no live video option for patients who prefer to speak with a clinician directly
−Prescriptions route to a local pharmacy for pickup by default rather than home delivery, an extra step some competitors skip
Read the full Dr. B review →

Function Health

+Trustpilot rating of 4.5/5 across 2,960 reviews, among the strongest in the diagnostics-membership category
+160+ biomarkers tested twice yearly at 2,000+ Quest locations nationwide, far exceeding a standard annual physical (roughly 20-30 markers)
+Flat, transparent annual pricing ($365/year) visible before any intake or consult
−Reaching live customer support can be slow, per patient reports
−Results depend on Quest blood-draw logistics; a subset of patients report an inconsistent draw experience
−Membership covers testing and clinician-reviewed insights but not ongoing prescribing or treatment for abnormal results
Read the full Function Health review →

Dr. B vs Function Health — FAQ

Is Dr. B better than Function Health?

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Dr. B scores higher overall in our independent evaluation (78/100 vs 76.3/100), leading on trust & safety, value, product range, reputation. Function Health comes out ahead on experience.

Is Dr. B or Function Health cheaper?

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Dr. B has the lower starting price (from $19/mo vs $49/mo for Function Health). Starting prices are for the cheapest treatment each offers — compare the specific treatment you need, and check what each price includes.

What do Dr. B and Function Health both offer?

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Both platforms treat Primary Care. Dr. B covers 3 treatment categories total and Function Health covers 1.

Still deciding?

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