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.
The benefits of taking collagen supplements may include the following: 1  Erases fine lines and wrinkles. 2  Improves hair and nail health. 3  Improves the appearance of stretch marks and cellulite.  Supports connective tissue and joint 1  health. Provides relief from joint pain and stiffness.