N-acetylcysteine (NAC) is an amino acid and antioxidant. It is required for the synthesis of the body’s strongest known antioxidant, glutathione (GSH). NAC has been shown to decrease phlegm and respiratory mucous, and is used to treat chronic respiratory conditions.
What to Know About the Common Cold and Flu Viruses. Right now, it’s imperative for people to stay healthy as new illnesses, such as the COVID-19 pandemic, which is currently affecting the entire human population and considered one of the most widespread global pandemics in recent history. Here we briefly discuss similarities and differences between the common cold and the flu.