There is so much we still don’t know about COVID-19. But on the topic of general immunity and well-being, what was good practice before remains good practice today. We’ve been leaning into advice from doctors, researchers, and our own senior director of science and research, Gerda Endemann, PhD.

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A Virologist Answers Our Most Pressing COVID-19 Questions

Angela Rasmussen, PhD, distills fact from fiction when it comes to the hows and whys of COVID-19.

blood cells

Ask Gerda: Should I Take Vitamin C for Immunity?

Vitamin C’s role in immunity looks even more extensive and interesting than ever.

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The Foods That Help Prevent and Beat Disease

Researcher William Li, MD, explains how to support the body’s five defense systems that work to prevent disease.

woman in sunlight

Can You Get Enough Vitamin D from Food?

The short answer is: no.

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