Green Star Products Signs Covid-19 Distribution Contract SALT LAKE CITY, UT, Dec. 14, 2020 (GLOBE NEWSWIRE) -- Last Friday, December 11, 2020, Joseph LaStella, President of Green Star Products, Inc. (OTC: GSPI) announced he signed a Distribution Contract with Biotech Research, LLC, to market/sell their Broad-Spectrum Antiviral Product, called Viro Spectrum Shield (VSS), in several South American countries. VSS has been tested by a US Federally Accredited Laboratory and has been successfully proven to inhibit SARS-CoV-2 (Covid-19) virus in vitro. VSS was specifically tested and found to be...