Be Aware That Biotin May Skew Lab Test Results

You'll hear that the B vitamin biotin may interfere with labs...due to a new FDA warning.

Many lab assays use biotin...so it's not a big surprise that high biotin blood levels may skew results.

For example, biotin can cause falsely low TSH, beta-hCG, or procalcitonin levels...or falsely high free T3 or T4 or folate levels.

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