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Real Change or Noise? Reading InBody Swings

Why bioimpedance numbers move with water, food, and timing, and how big a change has to be before it means something.

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A glass of water and a glass pitcher on a painted windowsill in morning light; past a dark blue door, a woman stands at a shelf with her back turned.
Water moves the number. Timing moves it too.

What is inside

  1. How InBody measures
  2. Water, salt, and timing
  3. The size of a real change
  4. Same-day repeat tests
  5. When to trust the trend

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Who this guide suits

You test on an InBody or another bioimpedance scale, and your numbers move more between tests than your habits have.

It is for deciding which changes to act on and which to leave alone.

This is education, not medical advice. Talk to your doctor before a big change to how you eat or train, and about anything on your report that worries you.

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