Is low B12 a sign of cancer?
As for cancer risk from B12 deficiency. Yes there is a link but usually over a very long time period in which the B12 deficiency was not fully corrected or was left untreated. It causes high levels of homocystein in the body and that encourages cancer, although I think studies are limited to only a few cancers.
Increased intake of B12, folate and B6 may lower the risk of breast (20)(21)(22) and cervical (23) cancers, but not lung cancer (24). In fact, long-term use of vitamin B12 supplement is associated with increased risk of lung cancer, especially in male smokers (53).
Is vitamin B12 deficiency serious?
Vitamin B12 deficiency can lead to serious complications such as nerve damage, anemia and fatigue, which is why those at risk should add a high-quality B12 supplement to their diet ( 2 ).
What does a B12 deficiency indicate?
Having vitamin B12 deficiency means that your body does not have enough of this vitamin. You need B12 to make red blood cells, which carry oxygen through your body. Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired.
How long does it take to correct a B12 deficiency?
Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment.
What type of cancer causes vitamin D deficiency?
A vitamin D deficiency has also been documented in patients with prostate cancer, ovarian cancer, as well as multiple myeloma. Larger randomized clinical trials should be undertaken in humans to establish the role of vitamin D supplementation in the prevention of these cancers.
Why is my B12 and vitamin D low?
Atrophic gastritis, in which your stomach lining has thinned. Pernicious anemia, which makes it hard for your body to absorb vitamin B12. Conditions that affect your small intestine, such as Crohn’s disease, celiac disease, bacterial growth, or a parasite.
Does lack of B12 cause weight gain?
Furthermore, while a deficiency in vitamin B12 may not cause weight gain, it can decrease energy levels and contribute to fatigue, making it harder to stay active and manage your weight.
Should I be worried if my B12 is high?
There is no upper limit for vitamin B-12 intake because consuming high levels does not cause problems. However, having naturally high levels of vitamin B-12 in the body may be a cause for concern, as it suggests a severe underlying condition.
How long does it take for B12 supplements to work?
It may take a few weeks before your vitamin B12 levels and symptoms (such as extreme tiredness or lack of energy) start to improve. If you have hydroxocobalamin injections to boost your vitamin B12 levels at the start of treatment, the cyanocobalamin tablets may start to work within a few days.
What happens if your B12 is dangerously low?
A lack of vitamin B12 can cause anemia and other health problems. Anemia is a condition where the body either cannot make enough healthy red blood cells or cannot produce enough of the substance hemoglobin that allows red blood cells to transport oxygen around the body.
What level of B12 is dangerously low?
Values of less than 160 pg/mL (118 pmol/L) are a possible sign of a vitamin B12 deficiency. People with this deficiency are likely to have or develop symptoms. Older adults with a vitamin B12 level less than 100 pg/mL (74 pmol/L) may also have symptoms.
What does a B12 deficiency tongue look like?
B12 deficiency will also make the tongue sore and beefy-red in color. Glossitis, by causing swelling of the tongue, may also cause the tongue to appear smooth.
Does B12 deficiency cause joint pain?
Vitamin B12 deficiency is very common, especially with age, and can result in a number of symptoms such as fatigue, balance problems, anemia, numbness and tingling in the extremities, and joint pain.
What medications should not be taken with B12?
Other medications can also interfere with your uptake of vitamin B12, possibly raising your risk for deficiency. These medications include antacids and peptic ulcer medications, cholesterol-lowering drugs, antiseizure medications, chemotherapy medications, the diabetes treatment glucophage (Metformin) and others.