burning knee pain
can be because of nerve damage(neuropathy due to diabetes
or alcohol abusus. It is seldom due to arthritis(inflammation of joints),peripheral artery disease( vit D3 is irrelevant).
Mostly pain due to socalled iliotibial band syndrome(lateral knee pain in runners due to friction over the lateral femoral epicondyle
)or inflammation of bursae(fluid cushions).
Lastly this pain can be present due to referred pain
in low back pathology(L4-5 or L5-S1 level.
With serious continuation of pain you need NMR Knee or back for diagnosis.take antiinflammatory medication