26
May
Can You Have Too Much B12. However vitamin B-12 is a little different. Vitamin B12 is an essential nutrient important in nerve and blood cell health and most people obtain enough of it in food. Unless you are severely deficient there is no good reason to take a dose of 5000 mcg which is about 2000 times the daily requirement and as we have noted there are potential risks with getting too much B12. How Much Vitamin B12 Do You Need.
On top of that we know that only a small percentage of vitamin B12 taken orally is actually absorbed. The most comfortable way of doing this is by measuring the methylmalonic acid MMA in the urine which determines how much vitamin B12 the cells actually receive. Most vitamins and minerals can be toxic if you take too much. High levels of Vitamin B12 may be too much of a good thing. Some scientists have claimed that high levels of B12 can cause outbreaks of acne. If too much vitamin B12 is used in the form of nasal gel or spray or is injected then there might be certain dermatological side effects.
Too much vitamin B12 side effects by overconsumption are rare.
It is very hard to overdose on vitamin B12 but you can put a moderate strain on your kidney if excess consumption occurs too often. High levels of Vitamin B12 may be too much of a good thing. Your body absorbs only as much as it needs and any excess passes through your urine. When taken at appropriate doses vitamin B-12 supplements are generally considered safe. This includes swelling of the face tongue and throat and difficulty swallowing and breathing. Im taking 5000 mcg but lately have been feeling very tired with no motivation.