Function Health vs Parsley Health
A detailed head-to-head comparison of Function Health and Parsley Health — pricing, peptides, consultation models, and patient reviews.
At a Glance
RatingNo reviews
Starting PriceN/A
Peptides2
ConsultationHybrid
Lab TestingNo
Shipping3-5 business days
Pros
- 100+ biomarker panel at ~$499/year is genuinely competitive
- Testing-first approach means GLP-1 prescriptions (and other treatments) are grounded in actual metabolic data, not just a questionnaire
- Physician interpretation built into results makes the data actionable for patients without a clinical background
- Strong credibility through association with physicians like Dr. Mark Hyman and the longevity/preventive medicine community
- Annual retesting creates a longitudinal health picture that most patients have never had access to before
- Platform is useful independent of any prescription
Cons
- Not designed for patients who simply want a fast path to a GLP-1 prescription
- The annual membership fee (~$499) is charged before any prescriptions are issued, which may not appeal to patients primarily motivated by medication access
- GLP-1 prescription availability is secondary to the testing mission and should be verified
- The platform skews toward patients who are health-data-oriented; patients who find extensive lab data overwhelming or anxiety-inducing may not enjoy the experience
- Geographic availability for prescription services may be more limited than for testing
RatingNo reviews
Starting PriceN/A
Peptides2
ConsultationHybrid
Lab TestingNo
Shipping3-5 business days
Pros
- Most thorough metabolic workup available in a telehealth context
- Integrated care model: nutrition, lifestyle, and medication treated as a unified plan rather than isolated interventions
- Functional medicine physicians spend significantly more time per patient than conventional telehealth
- Appropriate for patients who have tried GLP-1 elsewhere without adequate results and want a diagnostic explanation
- Longitudinal relationship with consistent provider rather than rotating clinicians
Cons
- Price is a significant barrier
- Slower onboarding; patients wanting rapid prescription access should look elsewhere
- Does not accept insurance for membership, limiting accessibility for most patients
- In-person options limited to two cities; telehealth state coverage incomplete
- Functional medicine framing
Pros & Cons
Peptide Pricing Comparison
| Peptide | Function Health | Parsley Health |
|---|---|---|
| Semaglutide | Price unavailable | Price unavailable |
| Tirzepatide | Price unavailable | Price unavailable |
Frequently Asked Questions
Is Function Health or Parsley Health better?
Function Health offers 2 peptides and hybrid consultations. Parsley Health offers 2 peptides and hybrid consultations. The best choice depends on which peptides you need, your budget, and preferred consultation model.
Which is cheaper, Function Health or Parsley Health?
See the pricing table above for a detailed comparison.