Hello sir, My 25 (OH) D is 21 ng/ml which found by myself and another all reports are normal like ca,mg,T3,T4,TSH,b12,folic acid,hemogram,creatinine,ECG,EEG,EMG,SGPT,lipid profile (trygliceride 250 little high) was done by M.D. and Neurologist.I have fasciculation and muscle twitching last 11 year,numbness,tining,palpitation.Which medicine i take.