Skip to content
GLP-1 Decoder

Saxenda Muscle Loss: How Common, How Long It Lasts

The Saxenda label does not mention muscle loss as a side effect. What people mean by it: losing muscle along with fat while losing weight.

In the label
Not listed
Most common in the label
Nausea 39.3%

A quick look at Saxenda

How long it remains in your body
100%50%25%0%013 h26 h39 h2.2 d2.7 d50%25%12.5%time after the dose

Half-life about 13 hours: after 13 h, half is gone, and five half-lives (2.7 d) leave about 3% behind.

Weight loss reported in the main trial
Saxenda (SCALE Obesity and Prediabetes)7.4%Placebo3%

During SCALE Obesity and Prediabetes, 56 weeks, the treatment group lost 7.4% of body weight, while the placebo group lost 3%.

Sources: FDA label (DailyMed).

What shows up in the Saxenda label instead

The Saxenda label does not mention muscle loss. The label most often lists these five side effects.

Table 2. SAXENDA-treated Adult Patients, Adverse Reactions Occurring in ≥2% and seen More Frequently than Placebo
Side effectPlaceboSaxenda SaxendaMore than placebo
Nausea13.8%39.3%+25.5 points
Diarrhea9.9%20.9%+11 points
Constipation8.5%19.4%+10.9 points
Vomiting3.9%15.7%+11.8 points
Injection Site Reaction10.5%13.9%+3.4 points

Source: Saxenda label (DailyMed).

Source: FDA label (DailyMed).