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4 Vitamin B12 Deficiency Symptoms You Need to Know

Written by Anne Jacobson, MD, MPH | Reviewed by Karla Robinson, MD Key takeaways: Vitamin B12 is needed for healthy blood cells, nerve cells, and DNA. Symptoms of vitamin B12 deficiency include anemia and neurological issues.You can be deficient in vitamin B12 if you don’t get enough B12 in your diet or your gut can’t...

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What to know about vitamin K-2

By Jamie Eske Reviewed by Katherine Marengo LDN, RD Vitamin K is an essential vitamin that supports blood clotting and healthy bones. It occurs in two forms, K-1 and K-2. Vitamin K-1 is the primary form, and it mainly comes from leafy green vegetables. Vitamin K-2 occurs in animal proteins and fermented foods. The bacteria in the human gut also produce small...