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15 Οκτ 2024 · Although rare, biotin may cause these side effects: Allergic reaction (typically resulting in skin rashes). Nausea. Cramping and abdominal pain. But the biggest drawback? High levels of biotin can interfere with the accuracy of certain common lab tests.
15 Μαρ 2023 · Most healthy people have enough biotin. Research is limited on the side effects of taking too much biotin, and supplements are not regulated. You shouldn’t take extra unless directed by a doctor.
Biotin has no effect on thyroid hormone levels or thyroid function in the body. However, biotin can interfere with the measurement of hormone levels in the laboratory, making them inaccurate. This is because biotin is added as a reagent during some of the laboratory methods.
• Biotin can cause side effects like acne, digestive issues, and lab test interference when taken in excess. • Less common side effects include hormone imbalances and unintended hair growth. • People at higher risk include pregnant women, those with kidney disease, and individuals on certain medications.
1 Μαΐ 2024 · People taking biotin supplements may have falsely low thyroid stimulating hormone (TSH), and falsely high levels of triiodothyronine (T3) or thyroxine (T4). This can lead to an incorrect diagnosis of hyperthyroidism (overactive thyroid).
11 Σεπ 2023 · Biotin side effects. Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat. Common side effects may include diarrhea or respiratory problems. This is not a complete list of side effects and others may occur.
Most commonly, biotin use can result in falsely high levels of T 4 and T 3 and falsely low levels of TSH, leading to either a wrong diagnosis of hyperthyroidism or that the thyroid hormone dose is too high.
