Symptoms of vitamin B12 deficiency causes pernicious anemia or megaloblastic anemia in which red blood cell shapes deforms and becomes very enlarged. Red blood cells are very important for carrying oxygen all around the body. In this type of anemia the bone marrow also become enlarged. An healthy adult should take around 2.5 mcg of vitamin B12 per day. Vitamin B12 is also known as cobalmin. It is a water soluble vitamin, which means the body expels what it does not use. Its main job is to maintain healthy nerve cells, support proper brain function, and assist in the production of DNA and RNA.
Amount should be taken
- Infants up to age 6 months: 0.4 mcg
- Babies age 7-12 months: 0.5 mcg
- Children age 1-3 years: 0.9 mcg
- Kids age 4-8 years: 1.2 mcg
- Children age 9-13 years: 1.8 mcg
- Teens age 14-18: 2.4 mcg
- Adults: 2.4 mcg
Note: A pregnant women should take a little more quantity.
Symptoms of vitamin B12 Deficiency
1. Weakening of nervous system
Due to the deficiency of vitamin B12, oxygen carrying capacity of hemoglobin decrease due to which the proper supply of oxygen to nervous tissues also decreases and ultimately nervous system weakens. Sensation of needle in hands and feet are observed.
2. Mouth ulcers
Mouth ulcers are also known as Glossitis. Glossitis is the inflammation of tongue. Inflammation of tongue causes disappearance of taste buds as a result you will not sense any taste of food. Deficiency of vitamin B12 may causes mouth ulcers along with vitamin C deficiency. It causes inflammation. And vitamin B12 has anti inflammatory properties .
3. Memory loss
Due to the enlargement of red blood cells, nervous tissues do not get proper oxygen. Due to which memory cells do not get proper oxygen supply. And ultimately it causes the loss of memory.
4. Vision weakness
Vitamin B and vitamin A are very important for eyes. Both vitamins prevent eyes from drying out and for good vision. Deficiency of vitamin B12 causes blurred vision and eyes looks like popped out. Damaged nervous system is also a reason of blur vision.
5. Tiredness and muscle weakness
Deficiency of vitamin B causes muscle pain. The whole body feel tired all the time and weak. People with pernicious anemia don’t produce enough of an important protein called intrinsic factor. Intrinsic factor is responsible for proper absorption of vitamin B12. Because it holds the vitamin B12 molecule tightly.
6. Temporary Infertility
Due to the deficiency of vitamin B12, temporary infertility can also be observed for few period of time.
7. Pale skin colour
Deficiency of vitamin B12 causes jaundice in which eyes and skin colur faded. Skin color faded to tinged yellow colour. Liver functioning disturbed as a result it starts accumulating because of it’s accumulation.
8. Difficulty in breathing
Deficiency of vitamin B12 may cause difficulty in breathing. Because of lack of oxygen supply But it abnormal breathing can also be the reason or symptom of other diseases so you have to consult doctor immediately.
9. Mood swings
Vitamin B12 is a precursor of many hormone synthesis. The high levels of homocysteine caused by low levels of B12 could cause damage to the brain tissue and interfere with signals to and from your brain, leading to mood changes.
10. High temperature
High temperature of body may be a symptom in the list of few rare symptoms of vitamin B12 deficiency. It is not a common symptom but can be observed.
Sources of vitamin B12
The best source of vitamin B12 are fruits and vegetables. Dairy products, colored fruits, green vegetables, meat and fish are the main source of vitamin B12. In severe conditions supplements can also be taken but after the consultant of doctor.
Also read: http://www.healthline.com