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Why does my body fat percent (%) fluctuate so much?

Why does my body fat percent (%) fluctuate so much?

Water affects your body fat scale reading.

If you are using a body fat scale or monitor, your body fat % reading is affected by the
amount of water in your body.

Because the amount of water in your body is constantly fluctuating, so will the estimate of your body fat %.

If the amount of water in your body:

The amount of water in your body decreases after:

  • taking a bath or sitting in a hot tub.
  • using a sauna or exercising.
  • going to the bathroom.

The amount of water in your body increases after eating or drinking.

To minimize fluctuations in your body fat %, measure your body fat at the same time, in the same environment and under the same circumstances each time.




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Stephanie Averkamp

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FitnessforWeightLoss.com was created by Stephanie Averkamp, a recognized health and fitness professional and sole-author of the content on this website. Stephanie's approach to weight loss emphasizes making small, realistic, and permanent lifestyle changes. Read more...

Stephanie Averkamp

Our Approach: Short-term solutions (like dieting) are unrealistic and ineffective because at some point they end. As soon as a diet or program ends, so do the results. Permanent weight loss is a journey; it's not a race or competition and there is no finish line. Read more...