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.
Collagen for Arthritis. Various studies indicate that chicken collagen supplements can be effective in the treatment of pain, swelling as well as stiffness around joints. This type of collagen is mostly used by people suffering from rheumatoid arthritis.