Hi, I am having, cronic joint pain and swelling. the swelling becomes more at night. after the blood test I found that my vitamin D level is 4 (very less than normal). So sugest me regarding this, I want to know the extreme swelling and pain in my joints (entire body including neck,handfingers, knee ,shouldr) due to vitamin difficiency. The RA factor is showing _ve,. Please advice Age : 50 Female