How much is too much vitamin b

how much is too much vitamin b

Vitamin B12 Overdose Symptoms: Should You Be Concerned?

Mar 07,  · Taking one vitamin B complex tablet a day is not likely to cause toxicity, so you don't have to worry as long as you don't take more than the dosage recommended on the product label. For example, the upper safety limit for niacin is 35 milligrams daily for adults. Jul 13,  · Though doses of up to 2, mcg of vitamin B12 are considered safe, it’s best to speak to a doctor to find out whether taking a supplement is necessary. Most people can fill their B12 needs.

An excess of B6 can cause nerve damage, while excess quantities of vitamin B12 -- while rare -- may cause complications for people with certain underlying conditions. Consult your doctor before taking vitamin B6 or vitamin B12 to avoid health problems.

All the B vitamins are important for producing energy and fighting infection and disease, but how to keep legs shaved longer B6 and vitamin B12 also play a role in cognitive function.

Vitamin B6 helps make neurotransmitters needed for brain development, and vitamin B12 keeps your nerve and blood cells healthy and aids in making DNA, among other functions. Low levels of vitamin B12, as well as vitamin B6 and other B vitamins, may be linked to depression, and vitamin B12 is sometimes taken to boost mood and help with memory loss.

A deficiency of either B6 or B12 can cause anemia, so these vitamins may be taken to treat this condition. Adults ages 19 to 50 need 1. Adults of all ages need 2. Vitamin B6 is found in a variety of foods; vitamin B12 is found only in animal products, with beef liver and clams the richest sources. High intakes of vitamin B6 from food is safe, but taking high doses of B6 supplements for a year or longer can cause severe and worsening neuropathy characterized by loss of control of bodily movements.

Symptoms of neuropathy usually stop when the supplements are discontinued. High-dose vitamin B supplements should be avoided, because they can lead to nerve damage. Taking too much vitamin B6 can also cause sensitivity to the sun, painful and disfiguring skin lesions and gastrointestinal symptoms, such as nausea and heartburn. Taking vitamin B6 can also interfere with several types of medications. Taking vitamin B12 is considered safe, although high-dose supplements or prescription-only injections of B12 might cause diarrhea, itching, blood clots and allergic reactions in some people.

People who are allergic to the element cobalt should also avoid taking vitamin B12 because it could cause an allergic reaction. Vitamin B12 is sometimes used to treat anemia, but this is how to use toner on hair serious illness and the therapy should be supervised by a health care provider.

How much is too much vitamin b from these conditions and possible interactions with other supplements, taking vitamin How much is too much vitamin b is safe. Even so, you should tell your doctor or other healthcare provider about any supplements you take. Jan Sheehan is an award-winning medical and nutrition writer, having entered journalism in She is a former contributing editor for "Parents" magazine.

Sheehan has a Bachelor of Arts in journalism from Purdue University. By Jan Sheehan Updated December 14, Related Articles.

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Aug 30,  · According to an article in the journal American Family Physician, researchers have found that supplements containing as much as 1, times the . Jan 29,  · Taking too much vitamin B is not without side effects and risks of health problems. For instance, some symptoms from taking too much vitamin B complex may include high blood sugar, blurry vision, numbness, nausea and vomiting, skin lesions, and liver problems. Apr 06,  · Adult men and women over 50 years: 25– micrograms. Women who are pregnant: micrograms. Women who are breastfeeding: micrograms. Adults over the age of 50 are at a greater risk of vitamin B12 deficiency because they tend to produce less stomach acid, which is needed to convert the vitamin properly.

In fact, you need enough of it to maintain hormone balance, the health of your nerve cells, DNA synthesis and enzyme production — just to name a few. But what happens when you take too much vitamin B12?

Can you suffer from a vitamin B12 overdose? Although a vitamin B12 overdose is rare, research suggests that some groups of people are at a greater risk of adverse effects from taking an excessive amount of the nutrient.

Are you at risk of a vitamin B12 overdose? If you have certain health conditions, you have to be careful of supplementing with this essential nutrient.

Stages of life, lifestyle changes, diet and health conditions all impact the amount of vitamin B12 you need to avoid a deficiency. The National Institutes of Health recommend the following daily dosage of vitamin B Adults over the age of 50 are at a greater risk of vitamin B12 deficiency because they tend to produce less stomach acid, which is needed to convert the vitamin properly.

Studies show that taking — micrograms of vitamin B12 is effective for maintaining proper B12 levels for older adults. Consulting with your health care provider about the best dosage for your specific needs is recommended.

There are a few other groups that need to take more vitamin B12, usually as a supplement, to avoid deficiency. It is recommended that people who follow a vegan or vegetarian diet take one oral dose of 50— micrograms per day. People with gastrointestinal issues or pernicious anemia should take a one-milligram dose of B12 daily , in either injection or oral forms.

If you have any condition that impacts your ability to convert or absorb vitamin B12 properly, speak to your health care provider about the best dose for your needs. Although vitamin B12 is an essential vitamin that we need to develop and function properly, what happens when we take too much of it? However, there are some groups of people that may be at a greater risk of vitamin B12 overdose. This includes people with kidney and liver disease, those with diseases related to the blood, and women who are pregnant.

Studies show the consuming an excessive amount of vitamin B12 may:. There are also negative side effects associated with vitamin B12 injections. Some of the most common complaints include:.

Vitamin B12 is a water-soluble vitamin, which means that when we ingest too much of it, the excess amounts are flushed out of the body through urine. This makes it nearly impossible to overdose on the nutrient. On top of that, we know that only a small percentage of vitamin B12 taken orally is actually absorbed. So what may cause a vitamin B12 overdose? Research suggests that megadoses of two milligrams per day are safe for correcting a vitamin B12 deficiency.

People without a deficiency should not take megadoses of B Also, some people have trouble properly absorbing the nutrient because of issues involving the GI tract or lack of stomach acid. The cause of malabsorption needs to be addressed by a health care professional in these cases. The Institute of Medicine reports that there are no adverse effects associated with excess vitamin B12 intake from food and supplements in healthy individuals.

Researchers at Cornell University propose that vitamin B12 deficiency needs to be diagnosed correctly and reversed. However, the underlying cause of the deficiency must also be addressed in order to prevent relapse and further complications. This comes with education about how much vitamin B12 you need for your specific age, dietary choices and health.

The best way for healthy individuals to prevent a vitamin B12 overdose is to eat a well-rounded and healthy diet, incorporating foods high in B12 like organic animal meat, wild seafood, organic dairy products and eggs. Adults over 50, vegetarians and vegans, and people with gastrointestinal issues may need to take vitamin B12 supplements to avoid deficiency.

Before using megadoses of vitamin B12 to correct a deficiency, speak to your health care professional. If you experience side effects from B12 injections, ask about switching to oral doses instead. Josh Axe is on a mission to provide you and your family with the highest quality nutrition tips and healthy recipes in the world More Nutrition Dr. Axe on Facebook 22 Dr. Axe on Twitter 0 Dr. Axe on Instagram Dr. Axe on Google Plus Dr.

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