How To Reduce Pain From Knee To Toes?

Hi, I am 27yr male From last one year i have pain in both the legs below the knee till finger. I have done all the blood test & x-rays which is normal. I have done test for Vitamin D3 which report is come in border range. I have taken 3 injectiin of Atchitol & from last 6 months consuming Osteofit-c capsule. But there is no relief from pain. Please suggest some thing. The pain is unbaerable Icant walk or stanf for more that 1 minute.