Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. What Are B-Complex Vitamins? As you age, your ability to absorb vitamin B12 decreases and your appetite declines, making it difficult for some people to get enough B12 through diet alone. Researchers are also investigating its comppex in hyperhomocysteinemia and atherosclerosis. This article reviews the science.
Our Top Picks. Article Sources. Folate intake, serum folate levels, and prostate cancer risk: a meta-analysis of prospective studies. Read about the 14 essential vitamins.
Vitamin B12 Uses, Side Effects. While a standard dosage does not seem to cause harm, excessively high doses of certain B vitamins can be dangerous. All three other forms are active and easily absorbed by the body. It plays a role in the health of the nails, skin, and hair.
Common food sources of vitamin B1 include fortified breakfast cereal, enriched and whole-grain products bread, breakfast cereals, rice, noodles, and flour, wheat germ, pork, trout, black beans, mussels, and tuna. Common food sources of vitamin B2 include milk and dairy products, fortified breakfast cereals, beef liver, clams, portobello mushrooms, almonds, and chicken. Common food sources of vitamin B3 include eggs, fish, fortified bread and cereal, rice, nuts, milk and dairy, chicken, beef, turkey, lamb, organ meats, peanuts. Common food sources of vitamin B5 include meat, avocado, broccoli, kale, eggs, milk, mushrooms, fortified cereals, organ meats, poultry, potatoes, and legumes.