But just because you have a gym membership that you actually use doesnât mean you canât also have a few things at home for doing other types of workouts that you donât have time for at the gym, or for those days that you just canât make it out the front door.
The inside wall of the small intestine needs to be thin, with a really big surface area. This allows absorption to happen quickly and efficiently. If the small intestine had a thick wall and a small surface area, a lot of digested food might pass out of the body before it had a chance to be absorbed.
By Exercise.com Staff. The amount of protein that can be absorbed by the human body in one sitting depends on your age, weight and physical activity level. For instance, small children might only be able to absorb 10 or 15 grams of protein at once, while a 300 pound adult male bodybuilder might be able to process 100 grams within a few minutes.