Vitamin B

B vitamins are not naturally produced by the body and must be obtained from external sources in order to remain healthy. B vitamins include B12, B6, Thiamine, Roboflavin, Niacin, folic acid and others. These vitamins can be found in supplements as well a variety of foods such as fruits, vegetables, fish and eggs. Poor diet, drinking and smoking can contribute to deficiencies in these vitamins.

Studies show that a deficiency in B vitamins can cause greater age-related memory decline, as well as an increased risk factor for developing dementia later in life. Low levels of folic acid, may also contribute to depression. Vitamin B is also important for the breakdown of homocysteine.