Does Weight Loss Medication Improve Fitness?
Outside Magazine • • health
Key Points:
- A new study published in Sports Medicine analyzed the effects of combining GLP-1 agonist drugs (like liraglutide) with exercise, finding that exercise is crucial for maintaining health and physical function during weight loss.
- The study involved 193 adults who lost weight through a very-low-calorie diet, then were assigned to exercise, GLP-1 drug, both, or neither for a year; the best outcomes occurred with both exercise and the drug combined.
- Exercise improved functional fitness measures such as stair-climbing speed, VO2 max, and leg strength, while the drug alone did not significantly enhance these fitness outcomes.
- The research highlights that aerobic fitness, improved through exercise, is a stronger predictor of health and longevity than weight loss alone, emphasizing that GLP-1 drugs do not replace the need for physical activity.
- Concerns about muscle loss with GLP-1 drugs are valid, but aerobic fitness remains a key factor for overall health, underscoring the importance of combining medication with regular exercise.
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