Too much biotin is anything more than the recommended dosage.
The majority of people get enough biotin through a normal diet.
You shouldn’t need to take biotin supplements unless directed by a doctor.
High amounts of biotin can create false positives in laboratory tests for thyroid disease.
What are the side effects of too much biotin?
Warning signs of biotin deficiency include: hair loss. confusion or memory problems. skin rash, especially around the nose and mouth.
Is 10000 mcg of biotin too much?
Biotin is considered very safe. Even mega doses of up to 300 milligrams (mg) daily to treat multiple sclerosis have not led to adverse side effects (33). To put this in perspective, 300 milligrams is 10,000 times the commonly recommended 30 microgram dose for adults.
How much biotin can you take in a day?
Although there is no recommended dietary allowance for biotin, proponents often recommend taking 2 to 5 mg (2000 to 5000 mcg) of biotin in supplement form daily in order to strengthen hair shafts and achieve results.