Search
for

    Research

    5 / 238 results

    Learn

    1 / 801 results

      learn Biotin

      • How much biotin is too much biotin? The NIH Adequate Intake for adults is 30 mcg of biotin a day, and supplements often contain hundreds of times that; no toxic dose has been identified, but the FDA warns that high-dose biotin can distort blood tests including troponin, so tell your doctor and the lab before any test.