In other words: A Permutation is an ordered Combination. There are basically two types of permutation: 1  Repetition is Allowed: such as the lock above. It could be 333.  No Repetition: for example the first three people in a running race. You can't be first and second.
For this reason, the idea that collagen supplementation can be an effective treatment for joint pain, osteoarthritis, or any other condition, is highly implausible, if not impossible in principle.
Relieve Joint Pain and Arthritis with Collagen Collagen is one of the body's natural defenses against joint pain. As we age, our bodies produce less collagen. You can help prevent joint pain and arthritis by taking collagen supplements.