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GLP-1 Decoder

Semaglutide Muscle Loss: How Common, How Long It Lasts

The semaglutide labels do not list 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 20.3%

Wegovy: key facts

How long the body retains it
100%50%25%0%07 d14 d21 d28 d35 d50%25%12.5%time after the dose

Its half-life is about 1 week. After 7 d, half is gone, and five half-lives (35 d) leave about 3%.

Weight lost in the main trial
Wegovy (STEP 1)14.9%Placebo2.4%

During STEP 1, the 68-week figures were 14.9% of body weight and 2.4% on placebo.

What the price is over time
202520262027$1,349.02$0List priceSelf-pay

Monthly prices in US dollars include the list price and self-pay offers, each taken from the maker's price page.

Sources: FDA label (DailyMed), healthsystemtracker.org, prnewswire.com 1 2.

What the Ozempic label shows instead

The Ozempic label does not list muscle loss. Most often, it lists these five side effects.

Table 1. Among OZEMPIC-Treated Patients, Adverse Reactions in Placebo-Controlled Trials Reported at ≥5% for Type 2 Diabetes Mellitus
Side effectPlaceboOzempic 0.5 mgOzempic 1 mgMore than placebo, 1 mg
Nausea6.1%15.8%20.3%+14.2 points
Vomiting2.3%5%9.2%+6.9 points
Diarrhea1.9%8.5%8.8%+6.9 points
Abdominal pain4.6%7.3%5.7%+1.1 points
Constipation1.5%5%3.1%+1.6 points

Source: Ozempic label (DailyMed).

Source: FDA label (DailyMed).