Bad reputation in many people's mind but i do serve many functions in the body i am also needed for growth and healthy skin am?

You are describing cholesterol. Despite its bad reputation due to associations with Heart disease, cholesterol plays essential roles in the body, including the production of hormones, vitamin D, and bile acids for digestion. It is also crucial for the formation of cell membranes and supports growth and healthy skin. Balancing cholesterol levels is important for overall health.