ResearchSafe

Liraglutide (Liraglutide (GLP-1 Receptor Agonist / Saxenda))

Category: Weight Management. Status: FDA Approved.

The first GLP-1 receptor agonist approved for chronic weight management (as Saxenda at 3.0mg). A 97% homolog of native GLP-1 with fatty acid modification for once-daily dosing.

How it works

Binds and activates the GLP-1 receptor, enhancing glucose-dependent insulin secretion, suppressing glucagon, slowing gastric emptying, and reducing appetite through hypothalamic signaling.

Key facts

  • Molecular weight: 3,751 Da
  • Half-life: 13 hours
  • Bioavailability: ~55% (subcutaneous)
  • Storage: Refrigerated 2-8°C. In-use: room temperature up to 30 days.

Dosing overview

  • Typical dose: 0.6-3.0 mg
  • Frequency: Once daily
  • Duration: Ongoing
  • Route: Subcutaneous

Reported benefits

  • Proven weight loss (5-10%)
  • Long safety track record
  • Cardiovascular benefit
  • Improved glycemic control
  • Reduced food intake

Possible side effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Constipation
  • Headache
  • Pancreatitis (rare)

Research

  • SCALE Obesity: Liraglutide 3.0mg for weight management (2015): Liraglutide 3.0mg produced 8.0% weight loss vs 2.6% placebo with 63% achieving 5%+ loss at 56 weeks.
  • LEADER cardiovascular outcomes trial (2016): Liraglutide reduced major cardiovascular events by 13% and cardiovascular death by 22% in T2DM patients.

Community reviews of Liraglutide

Rated 4.5 out of 5 from 11 community reviews by ResearchSafe members.

  • bloodwork_brett rated it 5/5 - Appetite control is genuinely life-changing: Been running Liraglutide for about 3 months now and the appetite suppression is real. Not that awful "I cannot eat" feeling, more like the constant food noise just goes quiet. I actually forget about snacking, which never happened before. The first week had some mild nausea, especially after eating too fast or too greasy. Learned to eat slower and smaller portions and it resolved. Energy levels are good, no crashes or fatigue that some people report. Down about 14% body weight with no muscle loss that I can detect. Still hitting my lifts fine. The consistency is what impressed me most, no pl
  • peak_levels_paula rated it 5/5 - Works as advertised once you titrate properly: I have tried a lot of weight management approaches over the years and Liraglutide is the first that actually changed my relationship with food rather than just white-knuckling through hunger. The mental shift happened around week 2. Side effects were manageable. Some GI upset early on that settled by week 3. Mild constipation that fiber and water fixed. Nothing that made me want to stop. Results have been steady and sustainable. Losing about 1-2 lbs per week without feeling deprived. My energy is actually better than before, probably because I am not on the blood sugar roller coaster anymore
  • syringe_science_sue rated it 5/5 - Steady progress without the usual hunger: Been running Liraglutide for about 2 months now and the appetite suppression is real. Not that awful "I cannot eat" feeling, more like the constant food noise just goes quiet. I actually forget about snacking, which never happened before. The first week had some mild nausea, especially after eating too fast or too greasy. Learned to eat slower and smaller portions and it resolved. Energy levels are good, no crashes or fatigue that some people report. Down about 5% body weight with no muscle loss that I can detect. Still hitting my lifts fine. The consistency is what impressed me most, no pla
  • stacked_dave rated it 4/5 - Finally broke through my plateau: Skeptical going in because I have been burned by hype before. Liraglutide actually delivered though. The appetite reduction is subtle but persistent, you just stop thinking about food between meals. First two weeks were rough with some nausea and low energy, but I stuck with the low starting dose and let my body adapt. By week 3 I was feeling normal with clearly reduced appetite. By month 2, the results on the scale were undeniable. Key advice: start at the lowest dose, do not rush titration, eat protein-forward, and stay hydrated. The compound does the heavy lifting on appetite, you just ne
  • measured_mike rated it 4/5 - Down 10 lbs with minimal sides: I have tried a lot of weight management approaches over the years and Liraglutide is the first that actually changed my relationship with food rather than just white-knuckling through hunger. The mental shift happened around week 2. Side effects were manageable. Some GI upset early on that settled by week 3. Mild constipation that fiber and water fixed. Nothing that made me want to stop. Results have been steady and sustainable. Losing about 1-2 lbs per week without feeling deprived. My energy is actually better than before, probably because I am not on the blood sugar roller coaster anymore
  • tired_lifter20 rated it 4/5 - Easier appetite control around teaching days: I ran liraglutide for about 12 weeks while juggling yoga classes, early starts, and my own training, and for me it made food noise a lot quieter. In the real world that meant I could get through a busy day in London without thinking about snacks every two hours, which was honestly handy. It wasn’t perfect though. The first couple of weeks I felt a bit queasy if I rushed breakfast, so I had to slow down and be more organised with meals. Once I got used to that, it fit into my routine pretty well. I lost some weight and felt more in control, which was the main win for me.

Compare Liraglutide

Community discussions about Liraglutide

Research and educational reference only. Not medical advice.