<prompt> Nutritional rickets is treated with a --- single dose of vitamin D5000 mcg10000 mcg15000 mcg20000 mcg  <response>: In cases of nutritional rickets and vitamin D deficiency, treatment is simple. The first step is to prevent the complications of calcium and phosphate deficiency by correcting any abnormal levels with supplemental calcium or phosphate as well as the activated vitamin D calcitriol. Ref.nelson 20th edition page 339 nutrition chapter 