Will biotin increase facial hair? While data on beard growth in particular is limited, several studies suggest that biotin supplements can improve hair thickness in people with conditions affecting hair growth, such as alopecia, though beard hair is not specifically mentioned ( 1 , 5 ).
Which biotin is best for beard growth? These are some of the best beard growth supplements out right now.
What increases beard growth? whole grains and other healthy carbohydrates. foods high in zinc, such as nuts and chickpeas. healthy fats, such as those in avocados. fruits and vegetables, such as those high in B vitamins and vitamins A, C, D, and E; these vitamins may all help with hair growth.