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GLP-1s & Hair Loss
Updated October 2026 · 4 min read · Reviewed against published research
Key Takeaway
Some people notice increased hair shedding during significant weight loss. This is usually temporary and related to the weight loss itself rather than the medication directly.
Why shedding can occur
Rapid weight loss is a known trigger for telogen effluvium — a temporary shift of hair into its shedding phase. It typically appears a few months after the trigger and resolves over time.
Nutrition matters
Inadequate protein, iron, zinc and other nutrients can contribute. Reduced appetite makes it easier to fall short, which is why nutrition deserves attention during treatment.
When to check in
Shedding that is severe, patchy or persistent warrants a conversation with a healthcare professional to rule out thyroid, iron deficiency or other causes.
Questions for your healthcare provider
- Is a GLP-1 medication appropriate for my health history?
- Which product and indication applies to me?
- What side effects should I watch for?
- How should I adjust nutrition and exercise?
- What happens if I stop the medication?
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