Proteins
Why is it good for you?
Proteins function as building blocks for bones, muscles, cartilage, skin, and blood. They are also building blocks for enzymes, hormones, and vitamins. Proteins are one of three nutrients that provide calories (the others are fat and carbohydrates).
Where they come from.
Meat, poultry, fish, dry beans and peas, eggs, nuts, and seeds supply many nutrients. These include protein, B vitamins (niacin, thiamin, riboflavin, and B6), vitamin E, iron, zinc, and magnesium.
What happens when you have too much proteins.
Once you eat a bunch of protein and you don't do anything to burn what you put into your system the protein will turn into fat.
What happens if you dont eat any protein at all
When you don't put any protein in your body and you work out your muscles will not get stronger due to the lack of protein to help build it.