Vitamin B6 (Pyridoxine)..Mental disorders,nausea,vomiting...

 Vitamin B6 (Pyridoxine)

• Vitamin B6 is a type of B vitamin. Pyridoxine, pyridoxal, and pyridoxamine are all forms of vitamin B6. It's found in certain foods and also made in a lab. 
• Vitamin B6 is needed for the proper function of sugars, fats, and proteins in the body. 
• It's also necessary for the development of the brain, nerves, skin, and many other parts of the body. It's found in cereals, legumes, and eggs, and often used with other B vitamins in vitamin B complex products. 
• People commonly use vitamin B6 for preventing and treating vitamin B6 deficiency. It is also used for heart disease, premenstrual syndrome (PMS), depression, morning sickness, Alzheimer disease, menstrual cramps, diabetes, and many other conditions, but there is no good scientific evidence to support many of these other uses.
• A rare seizure disorder that requires vitamin B6. Giving infants vitamin B6 by IV controls seizures caused by a condition called pyridoxine-dependent epilepsy. IV products can only be given by a healthcare provider. 
• A condition in which the body makes abnormal red blood cells that build up iron (sideroblastic anemia). Taking vitamin B6 by mouth is effective for treating an inherited type of anemia called sideroblastic anemia. Vitamin B6 deficiency. 
• Taking vitamin B6 by mouth is effective for preventing and treating vitamin B6 deficiency.
• When taken by mouth: Vitamin B6 is likely safe when used appropriately. Taking vitamin B6 in doses of 100 mg daily or less is generally considered to be safe. Vitamin B6 is possibly safe when taken in doses of 101-200 mg daily. In some people, vitamin B6 might cause nausea, stomach pain, loss of appetite, headache, and other side effects. Vitamin B6 is possibly unsafe when taken in doses of 500 mg or more daily. High doses of vitamin B6, especially 1000 mg or more daily, might cause brain and nerve problems. Pregnancy: Vitamin B6 is likely safe when taken by mouth, appropriately. It's sometimes used to control morning sickness, but should only be done so under the supervision of a healthcare provider. Taking high doses is possibly unsafe. High doses might cause newborns to have seizures. 
• Breast-feeding: Vitamin B6 is likely safe when taken in doses of 2 mg by mouth daily. Avoid using higher amounts. There isn't enough reliable information to know if taking higher doses of vitamin B6 is safe when breast-feeding. 
• Post-surgical stent placement. Avoid using a combination of vitamin B6, folate, and vitamin B12 after receiving a coronary stent. This combination may increase the risk of blood vessel narrowing. Weight loss surgery. Taking a vitamin B6 supplement is not needed for people that have had 
• weight loss surgery. Taking too much might increase the chance of side effects such as nausea, vomiting, and browning skin.

1) Daily Requirement

• Adult : 2 - 2.5 mg
• Infant : 0.1 - 0.4 mg

2) Sources :

• Meat
• Liver
• Egg yolk
• Milk
• Vegetable
• Beans

3) Functions :

• Synthesis of porphyrins
• Metabolism of amino acids
• Fats
• Carbohydrate

4) Effects of Deficiency :

• Epileptiform convulsions in infants
• Dermatitis
• Nausea
• Vomiting
• Mental disorders
• Retarded growth
• Hypochromic microcytic anemia