As a rule of thumb it will about double in volume (1/2 cup raw = 1 cup cooked). There's not any change in the amount of calories (unless you cook your oats in milk as noted above). It's traditional to add brown sugar and raisins to oatmeal.
Knowledge center. Collagen is the most abundant protein in the human body and is the substance that holds the whole body together. It is found in the bones, muscles, skin and tendons, where it forms a scaffold to provide strength and structure.1,2.
A: Collagen is a protein that gives connective tissue strength and skin elasticity. Many of the wrinkles that come with age are due to sun damage or smoking, but some also occur naturally as collagen quality diminishes. Collagen supplements come in capsules, tablets and powders that are basically gelatin.