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GLP1Calc

Wegovy vs Wegovy (oral 25mg)

Side-by-side comparison based on STEP-1 and OASIS-4 phase 3 trial data plus April 2026 pricing.

Wegovy
semaglutide (injection)
Higher efficacy
Peak weight loss14.9%
TrialSTEP-1
Administrationinjection
FDA statusweight-loss
List price$1,349/mo
Wegovy (oral 25mg)
semaglutide (tablet)
Peak weight loss13.6%
TrialOASIS-4
Administrationoral
FDA statusweight-loss
List price$1,349/mo

Weight loss comparison (220 lbs starting weight)

% of body weight lost over 18 months, modeled from phase 3 trial data

Monthly cost by payment channel

ChannelWegovyWegovy (oral 25mg)Difference
Covered by insurance ($25–150 copay)$63$63$0 (Wegovy (oral 25mg) cheaper)
Manufacturer self-pay (LillyDirect / NovoCare)$499$499$0 (Wegovy (oral 25mg) cheaper)
Telehealth — brand name (Hims, Ro, Found)$449$449$0 (Wegovy (oral 25mg) cheaper)
Cash retail (full list price)$1,349$1,349$0 (Wegovy (oral 25mg) cheaper)

Wegovy pros and cons

Pros
  • FDA-approved specifically for weight loss
  • Robust 14.9% average weight loss in STEP-1
  • Wide telehealth and pharmacy availability
  • Once-weekly injection (good adherence)
Cons
  • High list price ($1,349/mo without coverage)
  • Insurance often denies for weight loss without comorbidity
  • Mild-to-moderate GI side effects common during titration
  • Lower efficacy than tirzepatide-based alternatives

Wegovy (oral 25mg) pros and cons

Pros
  • No injections — daily oral pill
  • Same molecule as Wegovy injection
  • 13.6% average weight loss in OASIS-4
  • Easier to skip a dose without long-acting tail
Cons
  • Strict fasting requirements before/after dose
  • Slightly lower weight loss than injection (13.6% vs 14.9%)
  • Daily dosing may hurt adherence vs weekly injection
  • Newer drug — fewer real-world data points

Common side effects

Wegovy
  • Nausea
  • Diarrhea
  • Constipation
  • Vomiting
  • Headache
Wegovy (oral 25mg)
  • Nausea
  • Diarrhea
  • Constipation
  • Vomiting

Which should you choose: Wegovy or Wegovy (oral 25mg)?

Choose Wegovy if: you want maximum weight loss (14.9% vs 13.6%); you prefer a weekly injection over a daily pill.

Choose Wegovy (oral 25mg) if: you prefer a daily pill over a weekly injection.

Final decisions should always be made with a licensed prescriber. This is educational content only.

Run your own projection on the full calculator →
Medical disclaimer: This calculator provides estimates only based on phase 3 clinical trial data and publicly listed prices. It is not medical advice. Real-world weight loss varies significantly. Consult a licensed healthcare provider before starting any medication.

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