Magnesium is a cofactor for over 300 enzyme systems. It is a macromineral widely distributed in the plant and animal foods.

The B complex vitamins are thiamine (B1), ribo avin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), folate (B9), cyanocobalamin (B12) and biotin.

In practice milk thistle is generally recommended to improve liver function or to prevent liver damage.

Iron deficiency is the most common and widespread nutritional deficiency affecting 1.6 billion people worldwide.