Vitamin D3 Supplementation in Relapsing-Remitting Multiple Sclerosis: Considering the Safety Issues

Seyed Massoud Nabavi¹, Zari Sabet², Damineh Morsali^3* and Maryam Aminzadeh⁴

¹Department of Neurology, Multiple Sclerosis Research Unit, Shahed University, Tehran, Iran

²Department of Internal Medicine, Endocrine Research Unit, Shahed University, Tehran, Iran

³Department of Neurology, The University of Texas Health Science Center, Medical School at Houston, Texas, USA

⁴Department of Biochemistry, Medical Sciences, Shahed University, Tehran, Iran

^*Corresponding Author: Damineh Morsali, Department of Neurology, The University of Texas Health Science Center, Medical School At Houston, Texas, USA Email:

Keywords: Multiple sclerosis, Relapsing remitting, Vitamin D3, Safety, Toxicity

Introduction