Because of these effects, scientists continue to study the enzyme to treat symptoms of respiratory conditions like chronic obstructive pulmonary disease (COPD) and bronchitis. How to Store Nattokinase Since storage instructions may vary for different natural products, carefully read the directions and packaging Wortmarke on the container. This website is https://cds-koch.de/website-title-nattokinase-kapseln-ihre-naturliche-unterstutzung-fur-die-gesundheit/