This is a close matchup between two premium clinics. Defy Medical has a wider peptide menu and a longer track record. Marek Health has a higher Trustpilot rating, best-in-class lab diagnostics, and a strong community following built by Derek (MPMD). Both are excellent choices — the decision comes down to which peptides you need and whether you prioritize lab depth or peptide breadth.
| Defy Medical | Marek Health | |
|---|---|---|
| Monthly Cost Est. | ~$200/mo+ (not published) | ~$250–$300+/mo (pay-per-service) |
| Initial Consult | Not published (est. $500–$600+ with labs) | $250 (published) |
| Pricing Model | Per-service, cash-pay | Per-service, cash-pay |
| Labs Required? | Yes — any CLIA lab | Yes — Marek Diagnostics (Quest) |
| Est. Lab Cost | $100–$300/yr ($299 initial panel) | $250/yr est. (or $595 comprehensive) |
| Lab Quality | Accepts any CLIA lab (flexible) | Marek Diagnostics — 80+ biomarkers, Quest partnership |
| Peptides — Core | BPC-157, TB-500, CJC-1295/Ipa, Sermorelin, Tesamorelin, NAD+ | BPC-157, CJC-1295, Ipamorelin, PT-141, Sermorelin, TB-4, GHK-Cu |
| Peptides — Niche | AOD-9604, Epithalon, GHK-Cu, IGF-1 LR3, Kisspeptin, MOTS-C | Fewer niche options |
| Testosterone | Yes (TRT, HCG, more) | Yes — full TRT, HCG, Enclomiphene, Anastrozole management |
| GLP-1 Weight Loss | Limited | Yes — Semaglutide, Tirzepatide |
| Consult Type | 1-hour physician (video) | Physician + health coach |
| Founded | 2016 (Dr. Justin Saya) | ~2020 (Derek / MPMD + Mike Stratton) |
| Trustpilot | 4.2/5 (3,700+ reviews) | 4.8–4.9/5 (880+ reviews, 97% five-star) |
| State Restrictions | No labs: NY/NJ/PA/RI/MA; no peptides: ID/MS | Available in most states |
| Full Review | Read Defy Medical Review → | Read Marek Health Review → |
Neither clinic is cheap, and neither offers a flat monthly subscription. Both charge on a per-service basis. The key difference: Marek Health publishes more of its pricing upfront. The initial consultation is stated at $250, and Marek Diagnostics lab panels are clearly priced on their site. Defy Medical does not publish pricing at all — consultation fees, medication costs, and pharmacy fees require direct inquiry.
In practice, total monthly spend for both clinics tends to fall in a similar range: $200–$300+ per month once labs, consult fees, and protocol costs are accounted for. The advantage of transparency goes to Marek Health; the advantage of a longer operating history and larger patient base goes to Defy Medical.
Not published. Per-service billing. Labs: $299 initial, $230–$257 follow-up. Peptide vials ~$180–$225. Contact required for accurate quotes. No subscription.
$250 initial consult. ~$225–$275/mo base protocols. Labs separate via Marek Diagnostics ($595 comprehensive). Total est. $250–$300+/mo. Per-service, no subscription.
Both clinics offer a strong core peptide menu — BPC-157, CJC-1295, Sermorelin, and TB-series are available at both. The divergence is in the niche options. Defy Medical carries peptides you won't find elsewhere in telehealth: AOD-9604, Kisspeptin, IGF-1 LR3, Epithalon, and MOTS-C. If your protocol calls for one of these specific peptides, Defy Medical may be your only option.
Marek Health's edge is PT-141 (Bremelanotide) — a sexual health peptide not always available at Defy Medical. They also offer GHK-Cu alongside their core menu. For users whose protocol includes PT-141, Marek is the better clinic.
AOD-9604, BPC-157, TB-500, CJC-1295/Ipamorelin, Epithalon, GHK-Cu, IGF-1 LR3, Kisspeptin, MOTS-C, Sermorelin, Tesamorelin, NAD+. ~$180–$225/vial.
BPC-157, CJC-1295, Ipamorelin, PT-141, Sermorelin, Thymosin Beta-4 (TB-4), GHK-Cu. Strong core menu with PT-141 as a notable differentiator.
Defy Medical accepts labs from any CLIA-certified lab and publishes transparent panel pricing — $299 for an initial male panel, $257–$230 for follow-ups. This flexibility is convenient, but the diagnostic platform itself is not proprietary.
Marek Health built Marek Diagnostics as a standalone lab service powered by Quest Diagnostics at 2,000+ locations across the US. Their Total Health Panel covers 80+ biomarkers and is designed specifically for optimization-focused patients. Marek Diagnostics can even be purchased independently without enrolling in a treatment plan. For patients who prioritize deep, comprehensive biomarker tracking, Marek Health has a structural advantage here.
Accepts any CLIA lab. Transparent pricing: $299 initial, $230–$257 follow-up. Lab draws not available in NY, NJ, PA, RI, MA. Flexible but not proprietary.
Marek Diagnostics via Quest: 2,000+ locations, 80+ biomarker panels. ~$595 comprehensive. Available standalone. Industry-leading for optimization patients.
This is the closest matchup in our comparison series. Both Defy Medical and Marek Health are legitimate, high-quality clinics with real physician oversight and compounding pharmacy access.
Pick Defy Medical if your protocol requires niche peptides (Kisspeptin, IGF-1 LR3, AOD-9604, MOTS-C) or if you prefer the 1-hour physician consultation format and the clinic's decade-long operating track record.
Pick Marek Health if you want PT-141, you prioritize top-tier lab diagnostics via Marek Diagnostics, or you want more pricing transparency up front. The 4.8–4.9/5 Trustpilot rating with 97% five-star reviews is legitimately impressive and reflects a patient base that's highly satisfied.
Both are excellent. Defy Medical has the wider menu including niche peptides like Kisspeptin, IGF-1 LR3, AOD-9604, and MOTS-C. Marek Health has a strong core menu with PT-141 as a differentiator. Choose based on which specific peptides your protocol requires.
Both are similarly priced in the premium tier, with total monthly costs often running $200–$300+. Marek Health is more transparent about pricing upfront ($250 initial consult, stated lab costs). Defy Medical requires direct inquiry for all pricing.
Marek Health's Marek Diagnostics platform is best-in-class: Quest partnership, 80+ biomarker panels, available standalone. Defy Medical accepts any CLIA lab with transparent panel pricing ($299 initial), which is more flexible but less comprehensive as a platform.
Marek Health was co-founded by Derek (More Plates More Dates / MPMD) and health coach Mike Stratton. Derek is a widely followed figure in the hormone optimization and fitness community with a YouTube channel and research-backed content approach.
Marek Health has a higher score: 4.8–4.9/5 with 97% five-star ratings from 880+ reviews. Defy Medical holds 4.2/5 from 3,700+ reviews — still strong, but a lower aggregate score. Defy has far more total reviews given their longer operating history.