Most men grow facial hair during puberty, but some men struggle to grow a thick, full beard. Genetics play a role in how thick and full your beard will be, but there are a number of things you can do to help encourage growth. One option is to take a supplement specifically designed to support beard growth. Beard growth supplements contain a variety of vitamins and minerals that are essential for healthy hair growth. For example, biotin is a B vitamin that promotes cell growth, and it's often included in hair growth supplements. Other ingredients you might find in a beard growth supplement include vitamin C, iron, and zinc. Taking a beard growth supplement won't magically give you a thick beard overnight, but it can help support the health of your hair follicles and promote healthy hair growth. If you're looking for a way to give your beard a boost, a beard growth supplement is worth considering.