I do not provide energy (calories) but I do help regulate many of the chemical processes in the body. You need 13 different forms of me everyday. I am.

Vitamins

Explanation:

Vitamins play a very vital role in the human system, they are considered as essential nutrients which perform hundreds of roles in the body, some of those roles are building the bones, healing wounds, strengthen the immune system, repair damaged cells and conversion of food to energy. It's function spans into 13different category.

1. entire bag, then the entire bag of calories

2. the percent of fat would be the percent of fat from the serving size, added up to the entire bag of calories

3/4. the saturated fat would be on the bag label, but im pretty sure if you take the serving size and do the math to figure it out you could find out in total the fiber, saturated fat,etc..

5. no probably not