FDA approved 20142 studies reviewedGLP-1 — a class of drugs that reduce hunger signals in the brain

Saxenda

Liraglutide

A daily injection that activates a natural fullness signal in the brain

In short

Saxenda (liraglutide) is a daily injection that led to about 8% average weight loss in studies — roughly 18 lbs for a 220 lb person. A generic version is now available at lower cost.

8.0%

average weight loss in studies — SCALE trial (56 weeks)

That's ~18 lbs for a 220 lb person

These are averages. Your results will depend on your dose, how consistently you take it, and your body.

Key facts

At a glance

The numbers you need before deciding.

Weight loss
8%

~18 lbs for a 220 lb person

Monthly cost
$1000–$1400/mo

Generic liraglutide became available in 2025 — ask your pharmacist about generic pricing in your area

How you take it
Daily injection

Once daily — needle is very small

Main side effect
Nausea

About 4 in 10 people · usually temporary

Fat vs lean
Limited data

No body scan data published yet for this drug

If you stop
Weight regain expected

Same pattern as similar drugs

Before you start

Learn about this treatment

Everything you'd want to know before deciding.

On treatment

Already taking this?

Practical guides for people currently on this medication.

Clinical evidence

How it compares in trials

Average weight loss % — from individual phase 3 trials

Saxenda
8%
Wegovy (semaglutide injection)
14.9%
Zepbound (tirzepatide)
20.9%

Affordability

Cost & savings

$1000–$1400per month

Savings options

Generic liraglutide became available in 2025 — ask your pharmacist about generic pricing in your area.

Is this right for you?

Who this tends to fit

Relevant if you

  • Need a GLP-1 option approved for adolescents (age 12+)
  • Already using liraglutide for diabetes and want to continue
  • Looking for a GLP-1 with a long safety track record

Not right if you

  • You prefer weekly over daily injections
  • You want higher weight loss than newer GLP-1 drugs provide
  • You are pregnant or planning to become pregnant

Safety

Important cautions

  • In animal studies, liraglutide caused thyroid tumours. It is not prescribed to people with a personal or family history of medullary thyroid cancer.

  • Stop taking and contact your doctor if you develop severe abdominal pain — this may indicate pancreatitis.

  • Liraglutide can make your resting heart rate go up by about 2–3 beats per minute. Your doctor should keep an eye on this if you have a heart condition.

Practical guide

How to take Saxenda

1

Inject under the skin of your thigh, abdomen, or upper arm — once daily at the same time each day

2

Starting dose is 0.6mg for the first week. Your doctor increases it weekly until reaching 3mg

3

Store in the refrigerator (36–46°F). Do not freeze.

4

Each pen is reusable — attach a new needle for each injection

Common questions

FAQ

Questions to ask your doctor

  • Am I a good candidate given my health history and any other conditions I have?
  • Do I have any contraindications I should know about?
  • What results should I realistically expect, and over what timeframe?
  • Which side effects should make me contact you?
  • How long should I try this before we decide if it's working?
  • What happens if I need to stop — how do I come off it safely?

Next step most people take

Medical disclaimer: This website is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any treatment.