GLP-1 Hair Loss: How Common, How Long It Lasts, What Helps
Yes. Hair loss is listed in 7 of 10 GLP-1 labels. The highest rate in each label runs from 3% on Wegovy to 5% on Foundayo. Placebo in the Foundayo trials: 2%.
- Labels that list it
- 7 of 10
- Highest rate
- 5% Foundayo
- Lowest rate
- 3% Wegovy
Half-life and weight loss overview
Half-life in days tells you how long the body needs to clear half of a dose. The information comes from section 12.3 in each FDA label.
A percentage of body weight. Trials differ in doses and lengths, so check each one against the placebo shown on its own page.
How common it is on GLP-1 compared with placebo
GLP-1 hair loss appears in every label that reports it, with the highest dose group first. Each label reports on its own trials, which involved different groups of people. Treat this as a rough guide.
Foundayo pill forms are in the table as well.
| Medicine | Highest rate in the label | Dose group | Placebo | People in the trials |
|---|---|---|---|---|
 Zepbound | 5% | 5 mg | 1% | Adults with obesity or overweight (weight management) |
 Foundayo | 5% | 17.2 mg | 2% | Adults with obesity or overweight (weight management) |
 Wegovy | 3% | 2.4 mg | 1% | Adults with obesity or overweight (weight management) |
 Ozempic | Listed, no rate given | – | – | – |
 Mounjaro | Listed, no rate given | – | – | – |
 Trulicity | Listed, no rate given | – | – | – |
| Byetta | Listed, no rate given | – | – | – |
 Rybelsus | Not listed | – | – | – |
 Saxenda | Not listed | – | – | – |
 Victoza | Not listed | – | – | – |
Label sources: Wegovy label (DailyMed), Zepbound label (DailyMed), Foundayo label (DailyMed).
Source: FDA label (DailyMed).
What the Wegovy label states
The label refers to hair loss in these exact words:
“In clinical trials with WEGOVY 7.2 mg injection, hair loss was reported in 5.8% of patients treated with WEGOVY 7.2 mg (8.4% female, 0.2% male),”
Source: FDA label (DailyMed).