Oral vitamin D replacement is effective in chronic liver disease.
This study examined the efficacy of a vitamin D supplementation in liver disease patients who are at very high risk of vitamin D deficiency. 150 patients with chronic liver disease were investigated. The results showed that the tested vitamin D supplementation was effective in decreasing vitamin D deficiencies in these patients. Further details can be found in the study.
Rode A, Fourlanos S, Nicoll A. Oral vitamin D replacement is effective in chronic liver disease. Gastroenterol Clin Biol. 2010 Nov;34(11):618-20.