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.
How much biotin should I take for hair growth? 2-5 milligrams
What is the best strength of biotin to take? 30 micrograms
Related Questions
What Strength Biotin Should You Take
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.