Vitamin B12 is a nutrient that helps maintain healthy nerves and blood cells and helps make DNA. Vitamin B12 deficiency occurs when a deficiency of vitamin B12 or folate causes the body to produce abnormally large red blood cells that cannot function properly. Pernicious anemia is the most common form of vitamin B12 deficiency in the UK, this is where a person's immune system attacks healthy cells in their stomach, preventing their body from absorbing vitamin B12 from the food they eat. Because Vitamin B12 performs several important functions in the body, vitamin B12 deficiency can cause acute symptoms. If someone experiences any of these three symptoms, it can be a warning sign that you are lacking and should talk to their doctor about what supplements or treatments are best.
Pale skin can also appear if a person has jaundice due to vitamin B12 deficiency.
If someone has a vitamin B12 deficiency their face might look very pale.
Pale is often caused by a lack of red blood cells that circulate under the skin.
Yellow color on the skin
Yellow color on the skin can be a sign of jaundice, which is associated with vitamin B12 deficiency.
Jaundice is when your skin and whites of your eyes turn yellow, clear the NHS.
This can be a sign of something serious, like liver disease, in which case you need to get urgent medical help.
But experts say jaundice can also develop when a person's body is unable to produce enough red blood cells.
White spots on the skin can be a symptom of vitamin B12 deficiency, according to the charity Thyroid Patient Advocacy.
White spots can occur in someone with vitamin B12 deficiency due to lower melanin levels.
Spots are more likely to appear on the forearm, and many are dry and peeling.
But it is important to note that these white spots can also be other conditions, such as sun spots.
Vitamin B12 is mainly found in animal products, especially meat and milk products.
Meat organs are some of the most nutritious foods out there and the liver and kidneys are food sources rich in vitamin B12.
Other foods rich in B12 include beef, fortified cereals, tuna, enriched nutritional yeast, and trout.
Doctor Patricia Graham, an internal medicine specialist said, "There are many signs of a lack of vitamins and minerals.
"But the good news is that often, if you take steps to overcome deficiencies, the symptoms will improve or disappear altogether.
"Taking B12 supplements will restore and maintain proper B12 levels."
Because the body does not make vitamin B12, a person needs to get it from animal foods or from supplements.
The average amount of vitamin B12 recommended depends on age, eating habits, and medical conditions. The average number recommended for adults is 2.4 mcg per day.