| 摘要 |
<p>Vitamin B-12 deficiency is very common among population. The main causes of B- 12 deficiency include lack of intrinsic factors and other intestinal factors (e.g. malabsorption), rare genetic disorders, and inadequate intake. The present invention relates to intranasal formulations of vitamin B derivatives such as methylcobalamin, Cyanocobalamin which provide enhanced transnasal absorption.</p> |
