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Weight ManagementFDA ApprovedBeginner

Liraglutide

Liraglutide (Saxenda/Victoza)

Also known as: Saxenda, Victoza, NN2211

Overview

A GLP-1 receptor agonist and one of the first FDA-approved injectable medications specifically for chronic weight management. While it requires daily dosing and produces less weight loss than newer agents, liraglutide has an extensive safety track record and remains widely used.

Half-Life
~13 hours
Typical Dose
0.6–3 mg
Frequency
Once daily
Cycle Length
Ongoing / indefinite under medical supervision

Administration

Subcutaneous

Benefits

  • Clinically meaningful weight loss (5-10% body weight)
  • Improved glycemic control
  • Reduced cardiovascular event risk (LEADER trial)
  • Extensive long-term safety data
  • Approved for adolescents aged 12+

Side Effects

  • Nausea (most common, usually transient)
  • Diarrhea and constipation
  • Headache and dizziness
  • Injection site reactions

Mechanism of Action

  • Activates GLP-1 receptors to reduce appetite and caloric intake
  • Slows gastric emptying for prolonged satiety
  • Enhances insulin secretion in a glucose-dependent manner

Contraindications

  • Personal or family history of medullary thyroid carcinoma
  • MEN2 syndrome
  • History of pancreatitis
  • Pregnancy or breastfeeding

Storage & Reconstitution

Store unused pens at 2–8°C (36–46°F). After first use, keep at room temperature (up to 30°C (86°F)) or refrigerated for up to 30 days.

Common peptide amounts:3 mg

Research Summary

The SCALE trial program demonstrated that liraglutide 3.0 mg daily produces an average weight loss of approximately 8% over 56 weeks. The LEADER cardiovascular outcomes trial showed a 13% reduction in MACE events. One of the earliest GLP-1 agents approved for weight management, with over a decade of post-marketing safety data.

Commonly Stacked With

Growth HormoneAOD-9604
Weight ManagementMOTS-c
Weight Management5-Amino-1MQ

This information is for educational purposes only. Always consult a qualified healthcare professional before using any peptide.