CL Answers

What are the health benefits of olive leaf extract?

Olive leaf extract is promoted to help lower blood pressure and cholesterol levels, lower blood sugar levels and improve insulin function, reduce joint pain, and other uses. Find out if it really works, see the clinical evidence, and learn about side effects and drug interactions with olive extract.

Since the COVID-19 drug, Paxlovid, works by blocking a protease enzyme, should I be concerned about taking digestive enzymes that contain proteases?

Find out if taking digestive enzyme supplements that contain proteases might interact with medications that work by blocking a protease enzyme, including the COVID-19 drug Paxlovid.

Room Carbon Dioxide Monitors: A Good Way to Assess Room Ventilation and Reduce COVID Spread?

Learn about carbon dioxide monitors, including how they work, what to look for when buying a device, tips for using them, limitations, and which device is our Top Pick.

What are the health benefits of andrographis? Can it treat colds, help with joint pain, or other conditions, and is it safe?

Learn about the health benefits of andrographis, whether it can help relieve cold symptoms, reduce pain and stiffness of osteoarthritis or rheumatoid arthritis, decrease symptoms of ulcerative colitis, or slow the growth of cancer. See the clinical evidence for the branded andrographis extract ParActin. Plus, learn about dosage, side effects and drug interactions with andrographis.

Does Z-Stack multivitamin work to boost the immune system, and is it safe?

Find out about Z-Stack, including if it can help boost the immune system and if it is safe to use at the suggested dose.

Do any treatments reduce the risk of infection after you've been exposed to someone with COVID-19?

REGEN-COV, a combination of two monoclonal antibodies (casirivimab and imdevimab) is currently the only FDA authorized treatment for post-exposure prophylaxis for COVID-19. Learn more about this treatment to reduce the risk after exposure to COVID, how well it works, safety, who can take it and how to get REGEN-COV.

How Should You Take Care of Yourself After You’ve Had COVID-19?

Find out the best way to care for yourself when recovering from COVID-19, including how long you should quarantine, whether you should get vaccinated, when it is safe to undergo a surgery, and how to spot and, possibly, improve lingering symptoms.

How do the Pfizer, Moderna and Johnson & Johnson COVID-19 vaccines compare in terms of efficacy, safety and side effects? How, when and where do I get the COVID-19 vaccine?

Find out how the COVID-19 vaccines from Pfizer and Moderna compare and learn how when and where you can get the COVID-19 vaccine.

Is it safe to fly and how can I avoid getting COVID when flying?

How to fly safely and avoid COVID-19. Tips to help you stay safe and protect others while flying during the COVID-19 pandemic.

Which air purifiers are best for reducing the spread of COVID-19?

Find out if portable air cleaners can remove the virus that causes COVID-19 infection from the air and learn which type air cleaners work best.