Table of Contents
- 1 Why would B12 be high without supplements?
- 2 How does your body get rid of excess B12?
- 3 What causes too much B12 in the blood?
- 4 How long does it take to get rid of excess B12?
- 5 What are the side effects of too much vitamin B12?
- 6 What are the symptoms of too much vitamin B12?
- 7 What happens when you overdose on vitamin B12?
Why would B12 be high without supplements?
High or supraphysiological serum B12 levels without supplementation have been associated with many pathological conditions including renal failure, haematological disorders, cancer, and hepatic or autoimmune diseases. All conditions may show elevated concentrations of B12 transport proteins.
How does your body get rid of excess B12?
The body will typically excrete excess vitamin B-12 that a person gets from the diet or via supplements. The body does not absorb vitamin B-12 supplements very effectively. This means that even if a person takes very high amounts of vitamin B-12, their body still does not absorb a significant amount.
Why is my B12 too high?
The most common cause of high B12 in the blood is due to recent ingestion or injection of supplemental vitamin B12. We don’t worry about overdosing on B12 supplements because excess can be excreted in your urine. It could also be possibly from your diet if high in animal products such as meat, eggs, and shellfish.
What causes too much B12 in the blood?
How long does it take to get rid of excess B12?
Unlike most other vitamins, B12 is stored in substantial amounts, mainly in the liver, until it is needed by the body. If a person stops consuming the vitamin, the body’s stores of this vitamin usually take about 3 to 5 years to exhaust.
What medications can cause high B12 levels?
Medicines that can affect the test result include:
- Colchicine.
- Neomycin.
- Para-aminosalicylic acid.
- Phenytoin.
What are the side effects of too much vitamin B12?
That being said, too much vitamin B12 side effects can include diarrhea, itching, blood clots, numbness in the extremities, and severe allergic reactions. Excessive vitamin B12 may also increase the risk of prostate cancer. Some medications that may interact with vitamin B12 include anticonvulsants,…
What are the symptoms of too much vitamin B12?
Other side effects of taking too much vitamin B12 include headache, dizziness, diarrhea, indigestion, nausea, vomiting, back pain, joint pain, swelling, anxiety, nervousness and lack of coordination. There is also risk of contamination with the supplement of this vitamin.
Is taking too much vitamin B-12 dangerous?
Most vitamins and minerals can be toxic if you take too much. However, vitamin B-12 is a little different. Your system only absorbs a small amount at a time and gets rid of what it doesn’t need, which means it’s generally safe, even if you take too much.
What happens when you overdose on vitamin B12?
Some of the symptoms of vitamin B12 overdose include itchiness on different body parts and numbness, improper heart functioning, giddiness and regular headaches. The most serious side effect linked to overtime abuse of this vitamin, is increasing the risk of getting cancer.