Side Effects Of Too Much Vitamin B12. Mild side effects of too much vitamin B1 will also include headaches upset stomach and general weakness. How much vitamin B1 should you take. -Formation of Blood Clots. If those who suffer blockage are the blood vessels that carry blood to vital organs such as the heart or brain the consequences can be fatal since they increase the chances of suffering a heart attack or a stroke cerebrovascular accident.
Headache Headaches are among the most commonly experienced of all symptoms. When consumed in excess amounts its flushed out of the body through urine. A headache is often the first symptom of excessive vitamin B12. According to Medline Plus common side effects include diarrhea and a swollen-feeling body while fewer common side effects may include weakness muscle pain cramps leg pain frequent urination extreme thirst confusion coughing wheezing fatigue shortness of breath fast heartbeat headache dizziness red skin color swelling of arms and legs hives rash itching and difficulty breathing. If you are experiencing these symptoms and feel generally unwell see your doctor. The recommended daily amount of vitamin B-12 for adults is 24 micrograms.
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This would cause your vitamin and blood levels to rise. No research has yet found any side effects from taking too much vitamin B-12. A headache is often the first symptom of excessive vitamin B12. Too much B12 typically doesnt cause negative effects in healthy adults but it may pose problems for special populations including expectant mothers. Many vitamin B-12 supplements contain much more of the vitamin than the body needs. According to Medline Plus common side effects include diarrhea and a swollen-feeling body while fewer common side effects may include weakness muscle pain cramps leg pain frequent urination extreme thirst confusion coughing wheezing fatigue shortness of breath fast heartbeat headache dizziness red skin color swelling of arms and legs hives rash itching and difficulty breathing.