Nutrition
DEXA Scan Preparation Habits
DEXA scan preparation habits repeat clothing, meal timing, hydration, and supplement rules so follow-up scans compare fairly to your baseline visit.
DEXA scan preparation habits standardize what you do before imaging—normal clothing without metal, similar meal timing, hydrate normally, avoid calcium supplements the morning of if your clinic advises, and book the same time of day for repeat scans. Heavy training the day before can transiently inflame lean estimates slightly.
Bring prior reports for comparison.
Common questions
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Should you fast before a DEXA body composition scan?
Follow your clinic script—many allow normal meals if you repeat the same pattern each visit. Extreme fasting or bingeing between scans breaks comparability more than one breakfast.
Related terms
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