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Vitamin B6More than one million people take vitamin B6 it to fight stress and increase energy. B6 is also used in conjunction with magnesium to treat autism. However, scientists have found that long term use of high doses may affect the sensory nervous system leading to loss of sensation in the hands and feet and permanent nerve damage. What is Vitamin B6? Vitamin B6, also known as pyridoxine hydrochloride, is essential for the metabolism of protein by the body, and the proper functioning of the nervous system and the immune system. It is also involved in the synthesis of hormones and red blood cells. Where is it found? Vitamin B6 occurs naturally in poultry, fish, pork, cereals, eggs, vegetables and fruit. It is also widely available as a dietary supplement. What is the recommended daily intake? Men should ingest 2mg daily and women 1.6mg. People on a high protein diet, and those who drink heavily need more B6. Women on the Pill also tend to have a low level of B6. How much is too much? Scientific studies have shown that B6 can be dangerous in very high doses. One study suggested that long term use of doses of 500 times the recommended daily level may cause damage to the nervous system. A second study found adverse effects in humans from ingesting a dose as low as 50mg a day, although there are question marks over the methods used in this investigation. The government plans to limit the sale of over-the-counter B6 to 10mg doses, with a doctor's prescription needed for larger amounts. Who opposes the government plan? A group of 218 scientists and doctors have sent a letter to all MPs claiming that B6 is safe at daily doses of up to 200mg, and that no significant health problems have emerged despite several decades of widespread use. More than 100,000 letters have also been sent to MPs by consumers complaining about the government decision, and a lobby group called Consumers for Health Choice has spearheaded a campaign of opposition. What happens now? The government launched a three month consultation period in April, but ministers are said to be determined that the controls will eventually be introduced. This page contains basic information. If you are concerned about your health, you should consult a doctor. Articles about vitamins Vitamin B6
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