Another Study shows Nattokinase can Destroy the S1 Spike Protein

A July 2021 research showed that an extract from natto could prevent COVID-19 infection and destroy the spike protein of the SARS-CoV-2.[1] This is the second study that showed that nattokinase effectively degrades the spike proteins. Natto is a Japanese food that is a favorite tradition in Japan. It is made from steamed soybeans fermented…