Masters Medspa — Irvine, Orange County CA

Medical Weight Loss

GLP-1 Therapy  |  Peptide Therapy  |  Metabolic Wellness

Sustainable weight loss is not about willpower — it's about biology. At Masters Medspa, our clinically supervised weight loss programs are designed to work with your body's natural metabolic processes, helping you achieve meaningful, lasting results in a safe, supportive, and medically guided environment.

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New patients: All new patients require a consultation and lab work prior to beginning any weight loss or peptide therapy program. Get your complimentary treatment plan →

Weight loss is deeply personal — and it's rarely as simple as diet and exercise alone. Hormonal imbalances, metabolic dysfunction, stress, sleep disruption, and genetic factors all play a significant role in how your body stores and burns fat. Our medical weight loss programs address the root causes, not just the symptoms.

We offer GLP-1 receptor agonist therapy — the same class of medications behind the most clinically significant advances in weight management in decades. These treatments work by regulating appetite, slowing gastric emptying, and improving insulin sensitivity, resulting in consistent, sustainable weight loss without the cycle of crash dieting.

Peptide therapy is also incorporated for patients looking to support their weight loss journey with enhanced metabolic function, improved energy, lean muscle preservation, and better recovery. Common peptides used in metabolic wellness support growth hormone secretion, fat metabolism, and cellular repair.

Every program begins with a thorough lab panel and one-on-one consultation with our licensed clinical team. We monitor your progress closely and adjust your protocol as needed — because what works at month one may need to evolve at month three. Your results are our ongoing commitment, not a one-time prescription.

Labs, Consultation & Tailored Treatment Plan$400
Medical Weight Loss$250–$650 / month
Peptide Therapy$250–$650 / month
NAD IV Infusion$650
NAD Injections$550 / month

* Consultation and lab work is required prior to beginning any weight loss or peptide therapy program.

Actual patient results. Imagery used with patient consent. Licensed medical professional. Individual results may vary. Treatments performed under the supervision of Medical Director Dr. Chantal Lunderville.

💳 Financing available through PatientFi. Break any treatment into affordable monthly payments. Apply now →

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New Patients

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Existing Patients

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Patient Results

Actual patients. Imagery used with consent. Individual results may vary.
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Why Quality Matters: The Truth About Peptides and Weight Loss Medications

Not all peptides are created equal — here’s how Masters Medspa ensures safety, purity, and results you can trust.

Read the Article →