The phrase "to boost testosterone production" refers to taking actions or using methods that will increase the amount of testosterone, a hormone responsible for the development and maintenance of male characteristics such as muscle mass, bone density, and facial hair. This can be done through various means including exercise, dietary changes, supplementation with certain nutrients like zinc or vitamin D, or even medical treatments such as testosterone replacement therapy for those who have low levels of the hormone due to a condition known as hypogonadism. The goal is to improve overall health and well-being by increasing testosterone levels in the body.