Defy Medical vs Function Health
A detailed head-to-head comparison of Defy Medical and Function Health — pricing, peptides, consultation models, and patient reviews.
At a Glance
Rating★★★★☆ 4.1/5
Starting Price$120/mo
Peptides32
ConsultationVideo Telehealth
Lab TestingYes
Shipping3-5 business days
Pros
- Longest-running telehealth peptide provider
- Wide peptide and hormone catalog
- Video consultations with experienced physicians
- Comprehensive lab panels included
Cons
- Higher initial consultation fee (~$250)
- Separate lab and medication costs
- Not the cheapest per-medication pricing
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
Pros & Cons
Peptide Pricing Comparison
| Peptide | Defy Medical | Function Health |
|---|---|---|
| AOD-9604 | $160/monthly | Not offered |
| BPC-157 | $165/monthly | Not offered |
| CJC-1295 / Ipamorelin | $180/monthly | Not offered |
| Dihexa | $200/monthly | Not offered |
| Epithalon | $250/per-cycle | Not offered |
| FOXO4-DRI | $450/per-cycle | Not offered |
| GHK-Cu | $145/monthly | Not offered |
| GHRP-2 | $150/monthly | Not offered |
| GHRP-6 | $150/monthly | Not offered |
| Gonadorelin | $140/monthly | Not offered |
| IGF-1 LR3 | $250/monthly | Not offered |
| Kisspeptin | $200/monthly | Not offered |
| KPV | $130/monthly | Not offered |
| Liraglutide | $220/monthly | Not offered |
| LL-37 | $180/monthly | Not offered |
| Melanotan II | $120/per-vial | Not offered |
| MK-677 | $120/monthly | Not offered |
| MOTS-c | $220/monthly | Not offered |
| NAD+ | $220/monthly | Not offered |
| Oxytocin | $120/monthly | Not offered |
| P21 | $180/monthly | Not offered |
| Pentadeca Arginate | $175/monthly | Not offered |
| PT-141 | $150/per-vial | Not offered |
| Retatrutide | $450/monthly | Not offered |
| Selank | $120/monthly | Not offered |
| Semaglutide | $280/monthly | Price unavailable |
| Semax | $120/monthly | Not offered |
| Sermorelin | $175/monthly | Not offered |
| SS-31 | $280/monthly | Not offered |
| TB-500 | $180/monthly | Not offered |
| Tesamorelin | $350/monthly | Not offered |
| Thymosin Alpha-1 | $220/monthly | Not offered |
| Tirzepatide | Not offered | Price unavailable |
Frequently Asked Questions
Is Defy Medical or Function Health better?
Defy Medical offers 32 peptides with a 4.1/5 rating and video telehealth consultations. Function 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, Defy Medical or Function Health?
See the pricing table above for a detailed comparison.