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Weight Loss Drug Comparison Nasıl Hesaplanır?

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The Weight Loss Drug Comparison Calculator lets you compare the efficacy, cost, side effect profile, and dosing convenience of all major anti-obesity medications including semaglutide, tirzepatide, phentermine, orlistat, naltrexone-bupropion, and liraglutide. It uses clinical trial data to rank options by your priorities.

Formül

Comparison Score = (Efficacy Weight × %BWL) + (Cost Weight × Affordability Index) + (Side Effect Weight × Tolerability Score)
%BWL
Body Weight Loss (%) — Mean percentage of body weight lost in clinical trials
C
Monthly Cost ($/month) — Average monthly out-of-pocket cost
T
Tolerability Score (0-100) — Inverse of discontinuation rate due to adverse events in trials
R
Route of Administration (text) — Oral, subcutaneous injection, or other delivery method

Adım Adım Kılavuz

  1. 1Select which medications you want to compare (2-6 options)
  2. 2Weight your priorities: efficacy, cost, tolerability, convenience, or cardiovascular benefit
  3. 3View a side-by-side comparison table with clinical data for each metric
  4. 4Get a ranked recommendation based on your weighted preferences

Çözümlü Örnekler

Giriş
Compare semaglutide 2.4 mg vs tirzepatide 15 mg, priority: efficacy
Sonuç
Tirzepatide 15 mg: 20.8% BWL (SURMOUNT-1), weekly injection, ~$1,023/mo. Semaglutide 2.4 mg: 14.9% BWL (STEP 1), weekly injection, ~$1,349/mo. Tirzepatide ranked #1 for efficacy.
Giriş
Compare phentermine vs semaglutide, priority: cost
Sonuç
Phentermine: 5-7% BWL, daily pill, ~$30/mo generic. Semaglutide: 14.9% BWL, weekly injection, ~$1,349/mo. Phentermine ranked #1 for cost, semaglutide #1 for efficacy.

Kaçınılması Gereken Yaygın Hatalar

  • Comparing short-term trial data (12 weeks for phentermine) with long-term data (68 weeks for semaglutide)
  • Not considering that some medications are FDA-approved for short-term use only (phentermine)
  • Ignoring contraindications — not all medications are safe for all patients (e.g., phentermine is contraindicated with uncontrolled hypertension)

Sık sorulan sorular

Which weight loss drug is most effective?

As of 2024, tirzepatide (Zepbound/Mounjaro) shows the highest average weight loss in clinical trials at 20.8% body weight loss, followed by semaglutide (Wegovy) at 14.9%. However, individual responses vary, and the best medication depends on your medical history, insurance, and tolerability.

Can I combine weight loss medications?

Some combinations are used off-label (e.g., GLP-1 + metformin, or GLP-1 + phentermine), but combining two GLP-1 receptor agonists is not recommended. Always consult your prescriber before combining any weight loss medications, as interactions and additive side effects can be dangerous.

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