10 Side Effects of Vitamin B12


Vitamin B12 is an important nutrient for our bodies. In fact, it is vital to our survival. This nutrient plays an important role in producing red blood cells. If you are not getting enough vitamin B12, you can find yourself suffering from various illnesses.

Unlike some vitamins, our bodies can not produce vitamin B12. Therefore, the only way to get it is to eat foods that are rich in vitamin B12. Taking supplements is also one way to get this nutrient. However, having too much vitamin B12 can also make you suffer from various side effects. Here are 10 side effects of vitamin B12 you should know.

1. Headache

A headache is often the first symptom of excessive vitamin B12. However, this symptom is non-specific and can be experienced by any one due to different reasons. Thus, it is usually difficult to identify what causes headaches.

Studies show that people who are using B12 supplements often find themselves suffering from headaches. The severity can range from mild to severe. Sometimes, the pain can get unbearable that not even a pain medication can cure it. So if you suspect that Vitamin B12 is causing your headache, you should consider stopping the supplementation.


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