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15 Best Peptide Therapy Clinics in Seattle, Washington

Every listing is checked against federal records, reviewed for evidence, and confirmed still operating. No pay-to-play. No guesswork.

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Seattle, WA

Peptide Therapy clinics in Seattle

Seattle has a tech-and-outdoor-sports population and full NP practice authority making peptide access straightforward, and peptide therapy has grown into a visible slice of the local wellness market. The clinics we track across South Lake Union, Bellevue, Kirkland, and Queen Anne range from physician-led longevity practices to medspa-adjacent wellness offices offering sermorelin blends and growth hormone peptides. Most local prescribers have training or admitting privileges within the UW Medicine, Swedish, and Virginia Mason network. The scene here skews toward naturopathic-physician-led clinics plus MD-run longevity practices. The regulatory landscape shifted sharply in 2023 and 2024 when the FDA placed several widely prescribed peptides on its Category 2 bulk substances list, restricting which ingredients compounding pharmacies could legally source. That changed access overnight for BPC-157, CJC-1295, ipamorelin, and thymosin beta-4. Sermorelin and tesamorelin remain FDA-approved for specific indications, and reputable Seattle clinics now draw a clearer line between approved peptides and off-label research compounds than they did two years ago.

15 Clinics

Dr. Timothy R. Morris

Seattle, WA

Dr. Timothy R. Morris operates a functional-medicine practice in Seattle serving patients through integrative and naturopathic approaches. The clinic specializes in thyroid health and hormone optimiz…

  • Peptide Therapy
  • Hormone Replacement Therapy (HRT)
 MD on staff

Anti-Aging Northwest

Seattle, WA

Anti-Aging Northwest, a peptide and hormone optimization clinic in Seattle, specializes in bioidentical hormone replacement, testosterone replacement therapy, and peptide protocols for midlife and lo…

  • NAD IV Therapy
  • Vitamin IV Therapy
  • Peptide Therapy
  • Erectile Dysfunction (ED) Treatment
  • Testosterone Replacement Therapy (TRT)

Vaidration

Seattle, WA

Vaidration, an IV therapy clinic in Seattle, offers intravenous hydration and nutrient infusions alongside B12 injections and infrared sauna sessions. The clinic also provides peptide-based weight-lo…

  • Vitamin IV Therapy
  • IV Therapy
  • IV Hydration
  • Peptide Therapy
  • Erectile Dysfunction (ED) Treatment

Dr. Susan Marra

Seattle, WA

Susan L. Marra, MS, ND, a functional medicine clinic in Seattle, specializes in hormone optimization and testosterone replacement therapy alongside red-light therapy. The practice takes an integrativ…

  • Lyme Disease Treatment
  • Red Light Therapy
  • Peptide Therapy
  • Hormone Replacement Therapy (HRT)
  • Testosterone Replacement Therapy (TRT)

The Wellness Firm

Seattle, WA

The Wellness Firm, an integrative medicine clinic in Seattle, specializes in longevity and hormone optimization through testosterone replacement therapy, peptide therapy, and IV nutrient infusions. T…

  • PRP Therapy
  • IV Therapy
  • Arthritis Treatment
  • Peptide Therapy
  • Testosterone Replacement Therapy (TRT)
 MD on staff

2nd Nature

Seattle, WA

2nd Nature, a functional and integrative-medicine clinic in Seattle, specializes in hormone optimization through bioidentical hormone-replacement therapy (BHRT) and comprehensive hormone testing, alo…

  • Ozone Therapy
  • IV Therapy
  • Peptide Therapy
  • Hormone Replacement Therapy (HRT)
MD on staff

DR. REID

Seattle, WA

DR. Reid, a naturopathic practice in Seattle, specializes in hormone replacement therapy and testosterone replacement therapy, alongside peptide protocols including semaglutide and tirzepatide for we…

  • PRP Therapy
  • Shockwave Therapy
  • Ozone Therapy
  • IV Therapy
  • Laser Therapy (LLLT)

Seattle Wellness Programs

Seattle, WA

Seattle Wellness Programs, a peptide and hormone optimization clinic in Seattle, focuses on peptide therapy, platelet-rich plasma injections, and semaglutide-based weight management. Treatment plans …

  • PRP Therapy
  • Laser Therapy (LLLT)
  • Peptide Therapy
  • Red Light Therapy
  • Hormone Replacement Therapy (HRT)

Zen Flow

Seattle, WA

Zen Flow, an IV and infusion therapy clinic in Seattle, offers a broad range of regenerative and supportive-medicine modalities. The clinic provides cell-based therapies including stem-cell and exoso…

  • Stem Cell Therapy
  • NAD IV Therapy
  • Vitamin IV Therapy
  • PRP Therapy
  • Shockwave Therapy

Northwest Restorative Medicine

Seattle, WA

Northwest Restorative Medicine, a regenerative medicine clinic in Seattle, specializes in cell-based and orthobiologic therapies for chronic musculoskeletal pain. The practice offers stem-cell inject…

  • PRP Therapy
  • Shockwave Therapy
  • Arthritis Treatment
  • Migraine Treatment
  • Peptide Therapy
 MD on staff

Functional Medicine Northwest

Seattle, WA

Functional Medicine Northwest, a functional medicine clinic in Washington, specializes in peptide therapy and hormone optimization alongside mitochondrial-support protocols and IV nutrient therapies.…

  • IV Therapy
  • Chelation Therapy
  • Lyme Disease Treatment
  • Peptide Therapy
 MD on staff

Pinnacle Integrative Health

Seattle, WA

Pinnacle Integrative Health, a regenerative medicine clinic in Seattle, combines stem-cell therapy, peptide therapy, and IV therapy with functional-medicine assessment and acupuncture. The practice e…

  • IV Therapy
  • Arthritis Treatment
  • Peptide Therapy
  • Stem Cell Therapy

Meridian Medicine

Seattle, WA

Meridian Medicine, a peptide and hormone optimization clinic in Seattle, specializes in bioidentical hormone replacement therapy and growth hormone therapy for patients pursuing midlife and longevity…

  • Biofeedback Therapy
  • IV Therapy
  • Peptide Therapy
  • Hormone Replacement Therapy (HRT)
 MD on staff

Women's Functional Medicine

Seattle, WA

Women's Functional Medicine Seattle, led by Dr. Erin Thorne, specializes in hormone replacement therapy and peptide therapy for women across midlife transitions and metabolic conditions. The clinic o…

  • Acne Treatment
  • Peptide Therapy
  • Hormone Replacement Therapy (HRT)
  • Testosterone Replacement Therapy (TRT)
 MD on staff

Marty Ross MD Clinic

Seattle, WA

Marty Ross MD Clinic, a functional and integrative-medicine practice in Seattle, focuses on Lyme disease, fibromyalgia, chronic fatigue, and mold toxicity through evidence-based protocols refined ove…

  • Lyme Disease Treatment
  • Peptide Therapy
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Regulatory context

A note on Washington's peptide therapy rules.

Most research peptides used in regenerative medicine (BPC-157, TB-500, CJC-1295, ipamorelin) are not FDA-approved drugs. Sermorelin and tesamorelin hold FDA approvals for specific indications. The FDA placed several peptides into Category 2 on its Bulk Drug Substances Nominated for Use in Compounding list during 2023 and 2024, restricting 503A pharmacy sourcing. Section 503A covers traditional patient-specific compounding; Section 503B covers FDA-registered outsourcing facilities held to cGMP.

  • Revised Code of Washington Title 18 Chapter 18.64 (Pharmacists)
    Governs pharmacy licensure and compounding under the Washington State Pharmacy Quality Assurance Commission.
  • Revised Code of Washington Title 18 Chapter 18.71 (Physicians)
    Regulates physician prescribing and delegation.
  • Revised Code of Washington Title 18 Chapter 18.36A (Naturopathy)
    Licenses naturopathic physicians with prescriptive authority within the state ND formulary.

The Washington State Pharmacy Quality Assurance Commission inspects compounding pharmacies for USP compliance. Non-resident pharmacies shipping peptides into Washington must hold a current non-resident pharmacy license. The Commission publishes disciplinary actions. Washington is a full license naturopathic state with active ND prescribing oversight.

Sources: fda.gov · doh.wa.gov · doh.wa.gov

Peptide Therapy in Seattle, answered.

Seattle clinics most commonly offer sermorelin and sermorelin plus ipamorelin blends for growth hormone support, both of which are FDA-approved for adult GH deficiency. Healing peptides like BPC-157 and thymosin beta-4 (TB-500) are sometimes offered, but neither is FDA-approved and both landed on the FDA's Category 2 bulk list in 2023, which restricts compounding pharmacy sourcing. CJC-1295 and tesamorelin (Egrifta) appear in some protocols; tesamorelin is FDA-approved for HIV-associated lipodystrophy only. Melanotan II, epithalon, and selank are not FDA-approved.

$450 to $700 per month for sermorelin or sermorelin plus ipamorelin blends. $600 to $1,100 per month for BPC-157 plus TB-500 protocols when available through compounding. $550 to $950 per month for peptide plus hormone optimization bundles. Expect $400 to $900 upfront for initial labs (CBC, CMP, IGF-1, hormone panel, inflammatory markers) and the intake consult. Most clinics expect a 3 to 6 month commitment with monthly or quarterly follow-ups, and injection supplies and shipping from the compounding pharmacy are usually bundled into the monthly price.

Sermorelin and tesamorelin are FDA-approved for specific indications, so those are the only peptides a Washington clinic can prescribe as standard practice with full FDA backing. BPC-157, CJC-1295, ipamorelin, thymosin beta-4 (TB-500), epithalon, melanotan, and most other research peptides are not FDA-approved. The FDA's 2023-2024 Category 2 bulk substances list decision meant 503A compounding pharmacies lost legal access to many of those ingredients, so availability fluctuates. Any Seattle clinic that still offers a long menu of non-approved peptides should disclose exactly where those ingredients come from.

Washington grants nurse practitioners full practice authority, so NPs can evaluate, prescribe, and manage peptide protocols independently. Compounding pharmacy partnership remains required for custom peptide prescriptions, and most clinics work with a 503A pharmacy licensed in the state. The Washington Medical Commission licenses physicians and the Washington State Pharmacy Quality Assurance Commission regulates compounding, with NP full practice authority widely used in peptide clinics. Peptides are typically administered by subcutaneous injection at home after a training session at the clinic, though some Seattle offices offer in-clinic injections. Be wary of non-clinical operators selling peptides labeled as research chemicals, which is a federal red flag regardless of state law.

Verify the prescribing physician's active license through the Washington medical board and confirm their NPI number through the NPPES registry. Ask which 503A compounding pharmacy supplies the peptides and whether that pharmacy is licensed in Washington. Request baseline labs (CBC, CMP, IGF-1, hormone panel, inflammatory markers) before starting any growth hormone peptide, and confirm a monitoring schedule. Reputable Seattle clinics in South Lake Union will clearly distinguish FDA-approved peptides from off-label compounds and avoid marketing research chemicals to the public.

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