What is the role of fat in the body

Fat is A back up source of energy to fuel your work out and carbohydrates are not available

Fat serves two purposes; the first one being that we use it store energy in case of periods of need for energy, when no uptake of energy is present.

Additionally humans, like most mammals, will also store fat to conserve body heat, those with more adipose tissue tend to thermoregulate better especially in colder environments.