Hi i'm 33 years guy n last 1 n half year i'm suffering from heavy pain in legs, knees, ankles, foot fingers and hand fingers. I visited rhematologist n did several blood tests. Found vit d is low upto 8. I took some medicine but no improvement than I took vit d injections. Around 10 injections I took but still no cure. My routine life getting collapsed n energy level dropped. All days just wish to sleep n rest. Along with this pain I already have lower back ache since few years. Please suggest.