30 Apr 2015 --- Algae food producer Nutress has launched its highest concentration of algae tablets. The tablets contain either 100% Chlorella vulgaris or 100% Chlorella sorokiniana biomass, using only one natural additive to a maximum of 10%. The Netherlands-based company said the tablets - which will be presented at the Vitafoods Exhibition in Geneva next month - were developed in response to the increasing demand for high quality natural products and its origin.