Scientists monitored B12 levels in 5, people over eight years. Those with highest plasma B12 were more likely to die. Plasma B12 may be a marker of ongoing disease. Plasma Vitamin B12, Supplementation and Mortality.
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life. Cochrane Database Syst Rev. I do not eat red meat, but I do eat chicken, pork and fish. Now my primary doctor wants me to repeat going to an oncologist, but not sure if I should as blood cancers were ruled out last time I went. Any ideas? The most common cause of high B12 in the blood is due to recent ingestion or injection of supplemental vitamin B We don't worry about overdosing on B12 supplements because excess can be excreted in your urine.
The doctor may also check the levels of methylmalonic acid MMA and other substances to evaluate for vitamin B deficiency. These lab values help detect a vitamin B deficiency during the early stages. Individuals with low vitamin B levels often require regular injections of the vitamin. These shots are more effective than supplements at raising vitamin B levels, especially when people have medical conditions that may make it more difficult to absorb supplements.
For some people, high doses of vitamin B supplements may improve B status. Supplements are available in capsule or liquid form from pharmacies, supermarkets, health stores, and online. It may also be helpful to eat more foods that are rich in vitamin B There is no upper limit for vitamin B intake because consuming high levels does not cause problems.
However, having naturally high levels of vitamin B in the body may be a cause for concern, as it suggests a severe underlying condition. Doctors will aim to treat the underlying medical condition, rather than the elevated levels of vitamin B Although absorption difficulties and other medical issues often cause low vitamin B levels, some people may be deficient because they do not get enough vitamin B from their diet. This is especially true for vegans and long-term vegetarians.
Vitamin supplements can make up for a shortfall in the diet, especially for vegans and strict vegetarians. As it can be easier for their body to absorb supplements than naturally occurring vitamin B, older adults should aim to meet their vitamin B needs through fortified foods and vitamin supplements.
Adults and adolescents over 14 years of age require 2. This increases to 2. Vitamin B is an essential nutrient that plays a vital role in overall health. A doctor may recommend this test to people who have symptoms of a deficiency or who have a higher risk of low vitamin B in the body. People can avoid vitamin B deficiency by eating a balanced diet and including several sources of vitamin B daily or taking supplements. This article reviews the science. A vitamin B test measures the amount of B in your blood.
Find out what your B results mean and how to optimize your B intake. Vitamin B12 is a nutrient you need for good health. It's one of eight B vitamins that help your body convert the food you eat into energy. Learn more…. This article examines the benefits of B-complex vitamins, as well as dosage and…. There are nine water-soluble vitamins in the human diet. This article examines each in detail, letting you know the best sources and how much you need. While vegan diets can offer health benefits, they may be low in certain nutrients.
Here are 7 supplements that you may need on a vegan diet. Health Conditions Discover Plan Connect. Benefits Helpful or Harmful?
Dosage Bottom Line Vitamin B12 is a water-soluble nutrient that plays many critical roles in your body. This practice has led many to wonder how much of this vitamin is too much.
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