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.
Until now glucosamine sulfate has been the most widely used supplement and has been shown to be efficacious in the treatment of osteoarthritis. Methylsulfonylmethane (MSM) and boswellic acids (BA), from the herb boswellia, are new effective supplements for the management of inflammation and joint degeneration.