The beginning dose of minoxidil can be as low as 2.5 mg/d with a maintenance dose generally falling in the range of 10-40 mg/d. Minoxidil can be given from once to three times daily with the most ...

Low doses of minoxidil tablets may also be effective for hair loss. Low doses are 2.5 to 5 milligrams (mg) daily in males and ...

When taken by mouth: Biotin is likely safe for most people when taken in doses up to 300 mg daily for up to 6 months. But it is more commonly used in lower doses of 2.5 mg daily. When applied to ...