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Could Diet Affect COVID-19 Outcomes?

Study reports on an association between dietary patterns and severity of COVID-19 illness Several factors have been associated with the severity of COVID-19 disease, including age, ethnicity, and preexisting conditions. Nutrient deficiencies, especially of...

Why the Same Dose Does Not Work for Everyone

One of the most important things to understand with vitamin D is the variability in individual dose-response It is not uncommon to hear general suggestions about how much vitamin D people need. Whether considering...

Do You Need to Take Vitamin K2 with Vitamin D?

Video Friday: Dr. John Campbell reviews the scientific evidence to determine if supplementing with vitamin K2 with vitamin D is absolutely necessary It’s Video Friday! Today’s video addresses a frequently asked question among GrassrootsHealth...

Vitamin C – A True Life Saver

Millions died from scurvy in the 18th century due to severe vitamin C deficiency, yet it took decades to implement action based on its discovery They were a hardy crew of sea-faring men, willing...