High doses of vitamin B-12: Vitamin B-12 is an important vitamin for health. Vitamin B-12 itself makes RBC and DNA in the blood. If there is a deficiency of Vitamin B12 in the body, then the work of nerves and the brain is not done properly. Its deficiency causes severe headaches, weakness, fatigue, lightheadedness, increased heartbeat, shortness of breath, change in skin colour and nervous problems. In case of deficiency of Vitamin B-12, doctors prescribe Vitamin B-12 supplements. People think that if there is only vitamin, it will have some harm, but you should remember that if you consume vitamin B-12 supplements in excess, then it's very bad results will start appearing in the body.

Overdose of Vitamin B-12 can cause problems like excessive weakness, fatigue, diarrhoea, upset stomach, restlessness, and vomiting. That's why to use vitamin B-12 carefully. Know here the result of an overdose of Vitamin B-12.

Harm from an overdose of Vitamin B-12
According to Mayo Clinic, doctors give vitamin B-12 supplements after the examination. There is no harm in taking supplements on the advice of a doctor. Doctors generally recommend taking 2.4 micrograms of vitamin B-12 supplement a day. Even if it is a little too much, then there is no harm in it. But taking an overdose of vitamin B-12 for a long time can be harmful. Due to this, headache starts and vomiting can also occur along with nausea. At the same time, taking an overdose of vitamin B-12 can also cause diarrhoea and tingling in the hands and feet.