The objective of this study is to evaluate efficacy and safety of NPC-02 in patients with Zinc Deficiency.

Inclusion Criteria:

The serum zinc concentrations are under the normal level before registration

Exclusion Criteria:

1. Heavy hepatitis
2. Malignant tumor
3. Severe heart disease, hematological disorder, kidney disease and pancreatic disease, etc.
4. The serum albumin under 2.8 g/dL
5. Patient of allergy and hyperesthesia to zinc containing medicine manufacturing (including supplement)
6. Patient who was taking a medicine including the zinc (including supplement) within 12 weeks before registration
7. Pregnant, suspected pregnant, lactating, patients who wish to have a child
8. Patient who participated in other clinical trials within 12 weeks before registration
9. Unsuitable as a target of this clinical trial judged by doctor