What factors affect my bioelectrical impedance (BEI) results?

Since BEI uses your water weight to estimate your body fat percentage, it is majorly affected by your hydration status.  Being dehydrated, having a full bladder, menstruation, consuming alcohol or caffeine, and even exercise can all affect the accuracy of a BEI measurement.

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Why Do I Weigh More After Vigorous Exercise?
Why Do I Weigh More After Vigorous Exercise?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.