The main objective of this study is to evaluate the activity of a food supplement, made of Melatonin, Zinc and Magnesium on sleep quality in cancer patients, compared to placebo.
Secondary objectives are to evaluate the activity of Melatonin, Zinc and Magnesium on the quality of life, on the fatigue and on the mood alteration in cancer patients.
The study will also assess the safety of the food supplement under investigation.
In two small subgroups, on voluntary basis, some additional assessments will be done (arm band, nutritional change diary, DXA in one group and activity tracker in another group)
