Due to this weakness i can not stand for more than two minutes but i can walk, feeling heave load of
upper body on my knees. My blood report of thyroid, calcium, potassium, urine report etc are normal bur my vitamin D level is 26.4 ng/ml currently I am taking 10000 IU D3 per day, vitamin c, omega 3 ,b complex for last five weak. There is minor improvement in knee weakness.