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.
Is 5000 mcg of biotin too much daily? No toxicity of excess biotin intake has been described. “It is a B vitamin, so it is difficult to overdose on it—most people will urinate out what they do not need,” says Johnson. “With that said, I suggest not taking more than the daily recommended dose of 30-100 mcg per day for an adult.
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 Per Day Is Safe
Adults and teenagers—30 to 100 micrograms (mcg) per day. Children 7 to 10 years of age—30 mcg per day. Children 4 to 6 years of age—25 mcg per day. Children birth to 3 years of age—10 to 20 mcg per day.