Is a glass of OJ or vitamin C tablets your go-to when the sniffles come? Loading up on this vitamin was a practice spurred by Linus Pauling in the 1970s, a double Nobel laureate and self-proclaimed champion of vitamin C who promoted daily megadoses (the amount in 12 to 24 oranges) as a way to … Continue reading “Vitamin C”
Vitamin B5, or pantothenic acid, is naturally present in foods, added to foods, and available as a supplement. It is used to make coenzyme A (CoA), a chemical compound that helps enzymes to build and break down fatty acids as well as perform other metabolic functions, and acyl carrier protein, which is also involved in … Continue reading “Pantothenic Acid – Vitamin B5”
Vitamin B2, or riboflavin, is naturally present in foods, added to foods, and available as a supplement. Bacteria in the gut can produce small amounts of riboflavin, but not enough to meet dietary needs. Riboflavin is a key component of coenzymes involved with the growth of cells, energy production, and the breakdown of fats, steroids, … Continue reading “Riboflavin – Vitamin B2”
Niacin, or vitamin B3, is a water-soluble B vitamin found naturally in some foods, added to foods, and sold as a supplement. The two most common forms of niacin in food and supplements are nicotinic acid and nicotinamide. The body can also convert tryptophan—an amino acid—to nicotinamide. Niacin is water-soluble so that excess amounts the … Continue reading “Niacin – Vitamin B3”
You may recognize vitamin B7 by its popular name of biotin. It is a water-soluble B vitamin found naturally in some foods and also in supplements. Biotin plays a vital role in assisting enzymes to break down fats, carbohydrates, and proteins in food. It also helps to regulate signals sent by cells and the activity … Continue reading “Biotin – Vitamin B7”
Thiamin (thiamine), or vitamin B1, is a water-soluble vitamin found naturally in some foods, added to foods, and sold as a supplement. Thiamin plays a vital role in the growth and function of various cells. [1] Only small amounts are stored in the liver, so a daily intake of thiamin-rich foods is needed. Although symptoms … Continue reading “Thiamin – Vitamin B1”
Vitamin B6, or pyridoxine, is a water-soluble vitamin found naturally in many foods, as well as added to foods and supplements. Pyridoxal 5’ phosphate (PLP) is the active coenzyme form and most common measure of B6 blood levels in the body. PLP is a coenzyme that assists more than 100 enzymes to perform various functions, … Continue reading “Vitamin B6”
Vitamin B12, or cobalamin, is naturally found in animal foods. It can also be added to foods or supplements. Vitamin B12 is needed to form red blood cells and DNA. It is also a key player in the function and development of brain and nerve cells. Vitamin B12 binds to the protein in the foods … Continue reading “Vitamin B12”
Coverage from The Boston Globe, featuring Walter Willett
Nearly half of adults in the U.S. and 70% of older adults ages 71+ take a vitamin; about one-third of them use a comprehensive multivitamin pill. [1] But is this truly a necessity? There are certainly diseases caused by a lack of specific nutrients in the diet. Classic examples include scurvy (from a lack of … Continue reading “Should I Take a Daily Multivitamin?”