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A next-generation weekly injection that works with three appetite hormones for maximum weight loss — up to 24% in clinical studies. Investigational; prescribed only under licensed provider supervision.
Online evaluation required. Licensed providers review every order.
Ships in unbranded packaging once approved by a licensed provider.
Compounded medication — not FDA-approved
This formulation is compounded by a state-licensed pharmacy on the basis of an individual prescription. Compounded medications are not approved or evaluated by the U.S. FDA for safety, effectiveness, or quality.
Educational information only
This page is for educational purposes and does not establish a doctor-patient relationship. Treatment is only available after evaluation by a licensed provider through MIA Health.
Individual results may vary
Outcomes depend on physiology, adherence, lifestyle, and clinical context. We make no guarantee of any specific result.
What to expect
Week by week, what changes to expect during your treatment.
Individual results vary. Based on clinical trial data.
Prescribed by a U.S. licensed provider and dispensed by a licensed U.S. pharmacy. Compounded formulations are not FDA-approved. A provider reviews your medical history before prescribing.
Already on treatment with another provider? You can transfer your current dose or an equivalent. Just answer it in your medical intake — quick and no interruption to your protocol.
Clinical evidence
Published studies reference the active molecule. Compounded-formulation results may vary; your provider tailors the plan to your history.
11.5× greater weight loss than the placebo group.
mean body weight loss
48 weeks
Sustained loss, not early rebound.
N = 338
Randomized participants.
Jastreboff AM et al. Phase II: mean body weight loss, 48 weeks, N = 338. NEJM · 2023. Results vary by patient, dose, and adherence.
Body Mass Index (BMI) is a tool that uses your height and weight to estimate if you are within a healthy range. Enter your details below.
Note: BMI does not directly measure body fat and may not accurately reflect the health of athletes, pregnant women, or older adults. This calculator does not determine your medical eligibility for weight loss treatments. A certified healthcare provider will evaluate your history to decide on the appropriate treatment.
Enter your details to calculate your personalized projection.
Credentials & quality
Every batch is rigorously tested for your safety and efficacy by certified compounding pharmacies.
Current Good Manufacturing Practice.
Independent lab verification.
Reviewed before shipping.
HIPAA · Data encrypted · Annual audits · Chain of custody
Retatrutide vs Tirzepatide
Phentermine is a sympathomimetic amine prescribed as a short-term adjunct to diet and exercise for weight management. It works by stimulating norepinephrine release in the central nervous system, which reduces appetite and increases energy levels. Key benefits: - Provides effective short-term appetite suppression to support caloric restriction. - Enhances energy and alertness during the early phases of a weight loss program. - Well-established safety profile with decades of clinical use. Administration: Daily oral medication taken in the morning. Prescribed for short-term use as part of a comprehensive weight management plan that includes dietary modification and physical activity. Dosing is determined by your provider.
Questions, answered
Everything you need to know about treatment, safety, and next steps.
Regulation · HIPAA
Auth-and-hold · No fees
Retatrutide
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