Saxenda

Liraglutide · Weekly injection

Overview

First-gen GLP-1. Daily injection. Generic now available. Lower efficacy than newer drugs.

Active ingredientLiraglutide
FormWeekly injection
Avg weight loss~5–8%
Cash price / mo$299/mo (generic)
FDA for obesityApproved
Key Takeaways
  • Saxenda (liraglutide 3 mg) is a daily subcutaneous GLP-1 injection, the first modern GLP-1 FDA-approved for chronic weight management (2014).
  • Average weight loss is 5–8% over 56 weeks — meaningful, but roughly half of what semaglutide and tirzepatide deliver.
  • Liraglutide lost patent exclusivity in 2024 and generic versions are now available, making it the only substantially cheaper brand-name-equivalent GLP-1 on the U.S. market.
  • Approved for adolescents aged 12–17 — the only GLP-1 currently with that pediatric indication in the U.S.
  • Best fit when cost is the binding constraint, the patient tolerates daily injections well, or pediatric treatment is needed.

What Saxenda is and why it still matters in 2026

Saxenda is liraglutide 3 mg, a once-daily subcutaneous injection from Novo Nordisk. It was FDA-approved for chronic weight management in December 2014, making it the first GLP-1 specifically indicated for obesity in the modern era (preceded only by sibutramine and orlistat, which operated on entirely different pathways).

Liraglutide is a shorter-acting GLP-1 receptor agonist than semaglutide — about a 13-hour half-life, versus a week for semaglutide. That's why it's daily, not weekly.

In 2014, Saxenda was revolutionary. Today it's a third-tier drug by efficacy but still fills specific niches: pediatric treatment, cost-constrained patients, and the rare patient who responds better to liraglutide than semaglutide (uncommon but real). The liraglutide patent expired in 2024, and generic daily liraglutide is now available under several labels, cutting cost roughly in half.

How much weight people lose on Saxenda

The SCALE (Satiety and Clinical Adiposity — Liraglutide Evidence) trial program underpinned Saxenda's approval. SCALE Obesity and Prediabetes (N=3,731, 56 weeks) showed mean weight reduction of 8.0% on liraglutide 3 mg versus 2.6% on placebo. Real-world studies have generally found 5–8% over a year.

That is meaningfully worse than semaglutide (~15%) and tirzepatide (~22%). For most patients, Saxenda is no longer the obvious first-line choice in 2026.

The pediatric SCALE Teens trial (N=251, ages 12–17) showed about 5% weight reduction on drug vs placebo — modest but sufficient for the FDA pediatric approval. No other GLP-1 is currently FDA-approved for adolescents.

Dosing, side effects, and safety

Saxenda titrates weekly: 0.6 mg → 1.2 mg → 1.8 mg → 2.4 mg → 3.0 mg (maintenance), one step per week. Full escalation takes 5 weeks — faster than weekly GLP-1s because the daily pharmacokinetics reach steady state sooner.

Daily injection means more needle events per year than weekly drugs but smaller peak-to-trough variability, which some patients find produces less pronounced nausea.

Side effect profile is class-typical: nausea (39% in SCALE), diarrhea, vomiting, constipation, injection-site reactions. Boxed warning for thyroid C-cell tumors applies. Class safety considerations mirror Wegovy/Ozempic.

Cost in 2026 — the value case for Saxenda

This is where Saxenda earns its remaining market share.

Brand Saxenda list price: about $1,349/month — high.

Generic liraglutide 3 mg (available from multiple manufacturers post-2024): $299–$499/month cash-pay, frequently lower with discount cards (GoodRx, SingleCare) and telehealth programs.

Insurance: most commercial plans that cover Wegovy will also cover Saxenda, often preferring generic liraglutide on formulary. Copays of $25–$60/month are common with brand savings cards or generic copay tiers.

Medicare/Medicaid: same obesity-drug carve-out as Wegovy applies to brand Saxenda. Generic liraglutide sometimes slips through on Medicaid formularies at lower tiers; check your state.

For a cash-constrained patient who wants a brand-name, FDA-approved, clinic-administered obesity drug and can tolerate daily injections, generic liraglutide is the cheapest legitimate option on the U.S. market.

When Saxenda is still the right drug

Saxenda is a reasonable first-line choice when:

  • Cost is the deciding factor and compounded alternatives aren't acceptable.
  • The patient is 12–17 years old — Saxenda is the only FDA-approved GLP-1 in this age group.
  • The patient has failed or not tolerated semaglutide but wants to stay in the GLP-1 class.
  • Prior liraglutide exposure was successful and the patient prefers to stick with it.

It's the wrong drug for most other situations. A patient paying cash and wanting best weight loss should usually go with compounded tirzepatide via a lower-cost program, or Zepbound via LillyDirect Self Pay. Daily injection fatigue is real and shows up around month 6.

How to get Saxenda

All standard channels: PCP or obesity medicine clinic + retail pharmacy; telehealth programs including Mochi, Ro, and Form Health; or direct from NovoCare. Generic liraglutide is available at most major pharmacy chains and mail-order; cash discount cards typically beat insurance copays for the generic.

Frequently asked questions

Is Saxenda the same as Victoza?

Same active ingredient (liraglutide), different doses and indications. Victoza is liraglutide 0.6/1.2/1.8 mg for type 2 diabetes. Saxenda is liraglutide 3 mg for chronic weight management. Both are from Novo Nordisk.

Why is Saxenda daily instead of weekly?

Liraglutide has a ~13-hour half-life, versus about 7 days for semaglutide. Daily dosing is required to maintain steady-state concentrations. Newer weekly GLP-1s are feasible only because their molecules are stabilized for sustained release.

Is generic liraglutide as good as brand Saxenda?

FDA-approved generics must demonstrate bioequivalence — yes, they are clinically equivalent. Cost savings are substantial (often 40–60% cheaper). The main caveat is pen variability across manufacturers; if a patient switches generics, injection-site tolerability may differ briefly.

Can teenagers take Saxenda?

Yes. Saxenda is FDA-approved for adolescents aged 12–17 with obesity. It's the only GLP-1 with this pediatric indication in the U.S. as of April 2026. Efficacy in teens is modest (~5% weight reduction) but meaningful in combination with lifestyle intervention.

Should I start with Saxenda or go straight to Wegovy?

For most adults with commercial insurance, starting with Wegovy or Zepbound makes sense — higher efficacy, same safety class. Saxenda is usually reserved for cost-constrained patients, adolescents, or those who specifically respond better to liraglutide.

Sources

Last medically reviewed April 10, 2026 by WeightSherpa Clinical Editorial Team. Not medical advice. Use the Sherpa Matcher to find your best GLP-1 path.

Not medical advice. Always consult a healthcare provider before starting any medication.