The behavioral profile of GLP-1 medication users is changing in ways that go beyond appetite suppression. New data shows a notable increase in physical activity among this group, a trend with important implications for fitness-related industries.
William Blair survey data reveals 72% of GLP-1 users reported exercising more frequently after starting the medication, up from 60% in 2024. The share of users exercising "significantly more" increased from 23% to 34.7% over the same period, pointing to a meaningful shift in behavior.
This increase in physical activity appears to be driven by greater motivation, improved mobility, and higher energy levels. These factors make sense clinically because reduced body weight alleviates joint strain, enhanced metabolism boosts stamina, and initial weight loss likely encourages sustained behavioral change.
As GLP-1 adoption grows, so could the demand for fitness products and services. Several areas could benefit from this shift. Gym operators may see increased membership growth, particularly from first-time or returning exercisers. Digital fitness platforms and wearables could see higher engagement from consumers tracking their progress, while physical therapy, recovery services, and low-impact fitness offerings may benefit from increased demand.
Historically, weight-loss efforts haven’t consistently led to lasting exercise habits, but the data on GLP-1 users challenge this narrative. If the exercising "significantly more" cohort, which increased 11.7 percentage points in one year, continues to grow, the impact on fitness participation could become more meaningful across the broader wellness market.
This trend offers a compelling thesis that extends beyond the pharmaceutical narrative of GLP-1 adoption. While much of the attention has been focused on drug manufacturers, the behavioral ripple effects deserve attention, as well. Users aren’t just losing weight, they’re reorganizing their daily habits, creating durable demand for fitness-related products and services. Companies in fitness, wellness, and health-tech that can tie growth to GLP-1 users via subscription data, attendance metrics, or device adoption may represent strong investment opportunities. Conversely, businesses reliant on sedentary behaviors or high-calorie consumption could face challenges as these users shift toward healthier routines.
For more information on related investment opportunities and insights, read Fitness Clubs and GLP-1s: Proprietary Survey Suggests Continued Tailwinds, published on May 18, 2026, by Sharon Zackfia, CFA, partner, and equity research group head of the consumer sector.