Vitamin A is a fat soluble acne vitamin so the excess that the body does not use gets stored in fat cells in the body making it potentially toxic if you consume large amounts. (acnesupplementscritic.com)
This in turn lowers the amount and size of fat cells in the body. (factsonhgh.com)
In a mice experiment, the amount of brown fat cells in older mice was maintained at almost the level equivalent to that of younger mice. (ahealthblog.com)