Food supplements industries, an important place must be assigned to nutraceuticals containing microalgae, nowadays
accounting for a large and rapidly expanding market. The marketed products are mainly based on production strains, i.e.,
Spirulina and Chlorella in the composite situation, since two of them are cyanobacteria and the second one is eukaryotic. In the
marketed form and several utilizations, and peculiarities that need special attention and adequate studies. General report is
about the current scientific knowledge on each microalga, in particular the nutritional value and properties in prevention and
wellbeing. Second, original studies are presented concerning the quality control of marketed products. Quality control is act as
key argument in nutraceuticals validation.
