The short answer
For most people actively working on fat loss, muscle gain or body recomposition, a DEXA scan every 8–12 weeks is a practical interval; for general health tracking, every 6–12 months is usually enough.
The right interval depends on your goal and how fast your body is likely to change:
- Fat loss: about every 8–12 weeks
- Muscle gain: about every 10–16 weeks (muscle grows slowly)
- Athletes: at the start and end of training blocks or seasons
- Maintenance / general health: every 6–12 months
Consistency matters more than frequency
Scanning too often can show changes that are just normal day-to-day variation (hydration, food, recent exercise) rather than real changes in fat or muscle. Test under similar conditions every time—same time of day, similar meals and hydration, no workout beforehand—and look at the trend in pounds of fat and lean mass, not just the percentage.
Read the full guide: How often should you get a DEXA scan to track body composition?
Related questions
Body Fat USA offers $85 DEXA body composition scans and $100 RMR metabolic tests in Denver (both for $175), with reports emailed in about 5 minutes. See all FAQs
