Does Biotin Affect Tacrolimus Levels? A Clinical Review of Lab Test Interference
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4 min read
High-dose biotin supplements are known to interfere with up to 70% of common laboratory tests, a critical concern for transplant patients on the immunosuppressant tacrolimus [1.2.4]. The key question for patient safety is: does biotin affect tacrolimus levels directly, or is the issue rooted in the testing method itself?