Check Out Some Side Effects Of Vitamin B12 If Taken Excessively!

Around 47% of Indians suffer from vitamin deficiency and it is especially prevalent among those who have a vegetarian diet. Vitamin B12 is one of the essential elements of the body and many people now take this vitamin as a supplement. But there is also a certain limit to such vitamin intake. It is not uncommon to experience a variety of side effects if you take these supplements in quantities more than recommended.

What are the possible side effects?

Experts say that while side effects from vitamin B12 are rare, they are not uncommon. Excessive intake can cause multiple problems such as headaches, dizziness, and diarrhea. In some cases, itching, fatigue, and nausea may occur. In addition to these symptoms, severe allergies can occur in some cases. In the language of science, it is called anaphylaxis. This disease can cause swelling of the mouth, tongue, and throat.

How much vitamin B12 do you need?

Depending on the age, the demand for this vitamin is lower for some and higher for some. According to the US National Institutes of Health, the amount is as follows:

  • 0 to 6 months: 0.4 mg daily
  • 7 to 12 months: 0.5 mg
  • 1 to 3 years: 0.9 mg
  • 4 to 8 years: 1.2 mg
  • 9 to 13 years: 1.8 mg
  • 14 to 50 years: 2.4 mg
  • Pregnant women: 2.6 mg
  • Breastfeeding mother: 2.8 mg

It is advisable to do physical exercise and have healthy food too to reduce the amount of B12. But keep in mind, that not all foods or diets can be tolerated by everyone. Therefore, if you have to take any such supplement, it is advisable to seek expert advice first.


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