The best way to get the nutrients your body needs is by eating a balanced diet. But it's not always easy to meet your daily requirements of certain nutrients from food alone. Tufts experts separate the facts from the hype on supplements. You'll find unbiased information on vitamins like B-complex, C, D and E, supplements like omega-3 and lutein and essential minerals like magnesium and potassium and how they can protect or, in high doses, even harm your health.
Genetics and excess folate may increase your odds of vitamin B12 deficiency.
Subscribers OnlyApril 2017 — You may be consuming plenty of vitamin B12. But, is it getting where it needs to go in your body? New research suggests that, even after absorption (which is sometimes poor), genetic variations held by some people may reduce the vitamin's transport from the intestines to the body's tissues where it does its work. Plus, excessive intake of folate (a different B vitamin) might make this problem worse in people with specific genetics.