Glucagon-like peptide-1 receptor agonists and muscle mass effects

Aug 26, 2025Pharmacological research

How glucagon-like peptide-1 receptor activators affect muscle mass

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Abstract

Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) are associated with significant weight loss and improved metabolic parameters.

  • GLP-1 RAs may unintentionally reduce skeletal muscle mass.
  • This reduction could exacerbate sarcopenic obesity, particularly in older or frail individuals.
  • Current data suggests a need for awareness of these potential adverse effects.
  • Strategies for mitigating muscle loss during GLP-1 RA therapy are discussed.

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