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.
1 Collagen is most commonly found within the body in the skin, bones and connective tissues. 2  The word collagen is derived from the Greek kolla, meaning glue. 3  Collagen gives the skin its strength and structure, and also plays a role in the replacement of dead skin cells.
Collagen Helps Heal Your Gut. It turns out that patients with inflammatory bowel disease have lowered serum levels of collagen in their bodies . Considering that collagen helps repair the tissues along the digestive tract, it makes sense that low collagen levels would cause irritation of a weak, collagen-deficient gut lining. Collagen Eases Joint Pain. When weâre young, a healthy amount of collagen sits between our joints, providing lubrication for easy movement.