Dr Mercola

Zinc deficiency is a widespread concern for people around the world – nearly 1 in 3 individuals may be deficient. Because the signs of a zinc defic...

B vitamins are important for your brain, nervous system and immune function, energy production, cell metabolism, organ and tissue health and much m...

As you age, it becomes more difficult to get a good night's sleep because your body becomes less efficient at making this vitamin - taking this can...