Is 10000 mcg of biotin too much? Mayo Clinic states that 10,000 mcg is a safe dose, as no adverse side effects have been noted to date. Reassuringly, even “mega doses” of 300,000 mcg found no side effects in neurological research.
Can I take 5000 mcg of biotin a day? However, doses of up to up to 10 milligrams a day are safe, according to Mayo Clinic. As long as you do not take more than two servings of biotin 5,000 mcg per day, you are unlikely to experience adverse reactions.
How much biotin should I take daily for hair growth? Dosage, Preparation, and Safety Still, people who support its use often recommend taking 2 to 5 milligrams (mg) of biotin in supplement form daily in order to strengthen hair and achieve results.
How Much Biotin Is Allowed Per Day
Adults and teenagers—30 to 100 micrograms (mcg) per day. Children 7 to 10 years of age—30 mcg per day.