The goal of this observational study is to learn more about the disease and the symptoms where the product will use and in which patient groups. Further on, it is interesting to know clinical pictures, the symptoms improve. Patients with acute or chronical disease with vitamin c deficiency could be involved.
The main questions it aims to answer are:
* how do the symptoms of the disease change * how is the tolerability
Patients with vitamin C deficiency
Age ≥ 18 years
Hypersensitivity to the active ingredient or any of the excipients
Oxalate urolithiasis
Iron storage disease (thalassemia, hemochromatosis, sideroblastic anemia) or recent red blood cell transfusion
Renal insufficiency