Flavor enhancer: Black pepper is a staple ingredient in cooking and adds flavor to food.     Nutrient absorption: Black pepper's bioactive compounds, including piperine, help the body absorb nutrients like iron and beta-carotene.  Flavor enhancer: Black pepper is a staple ingredient in cooking and adds flavor to food.     Nutrient absorption: Black pepper's bioactive compounds, including piperine, help the body absorb nutrients like iron and beta-carotene.  Flavor enhancer: Black pepper is a staple ingredient in cooking and adds flavor to food. Nutrient absorption: Black pepper's bioactive compounds, including piperine, help the body absorb nutrients like iron and beta-carotene