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vitamin b6
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Does anybody know what sort of foods contain vitamin b6?THANX
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http://en.wikipedia.org/wiki/Vitamin_B6
Sources
The United States RDA varies between 1.3 mg and 2.0 mg, depending upon age and gender.
Vitamin B6 is prevalent in both animal and vegetable food sources. Liver, chicken, fish, green beans, field salad, wheat germ, nutritional yeast, sea vegetables and bananas are particularly good food sources.
Deficiencies
Pyroluria is one potential cause of vitamin B6 deficiency. Another cause of vitamin B6 deficiency is the use of the tuberculostatic medication isoniazid, and for this reason, it is recommended to supplement with vitamin B6 when using this drug.
In women, another potential cause for vitamin B6 deficiency is use of oral contraceptives and other medications containing estro-progestational hormones (such as those prescribed as part of Hormone Replacement Therapy). Other contraceptive medications that may cause vitamin B6 deficiency include: the patch (Ortho Evra), vaginal ring (Nuvaring), hormonal IUD (Mirena) and shot (Depo Provera). Specifically, habitual use of estro-progestational hormones inhibit absorption of vitamin B6 (due to a disturbance of tryptophan metabolism), necessitating a larger daily doseage of B6 into the bloodstream. Signs of a Vitamin B6 deficiency include: depression, anxiety, loss of libido, insomnia, water retention, inability to process glucose (weight loss/gain). Physicians are now beginning to recommend routine vitamin B6 administration during hormonal contraception/medication.
Grumpiness and irritability are also often symptomatic of a deficiency according to "Body, Mind, and the B Vitamins" by Ruth Adams and Frank Murray.
Overdose
An overdose of pyridoxine can cause a temporary deadening of certain nerves such as the proprioceptory nerves; causing a feeling of disembodiment common with the loss of proprioception.
Sources
The United States RDA varies between 1.3 mg and 2.0 mg, depending upon age and gender.
Vitamin B6 is prevalent in both animal and vegetable food sources. Liver, chicken, fish, green beans, field salad, wheat germ, nutritional yeast, sea vegetables and bananas are particularly good food sources.
Deficiencies
Pyroluria is one potential cause of vitamin B6 deficiency. Another cause of vitamin B6 deficiency is the use of the tuberculostatic medication isoniazid, and for this reason, it is recommended to supplement with vitamin B6 when using this drug.
In women, another potential cause for vitamin B6 deficiency is use of oral contraceptives and other medications containing estro-progestational hormones (such as those prescribed as part of Hormone Replacement Therapy). Other contraceptive medications that may cause vitamin B6 deficiency include: the patch (Ortho Evra), vaginal ring (Nuvaring), hormonal IUD (Mirena) and shot (Depo Provera). Specifically, habitual use of estro-progestational hormones inhibit absorption of vitamin B6 (due to a disturbance of tryptophan metabolism), necessitating a larger daily doseage of B6 into the bloodstream. Signs of a Vitamin B6 deficiency include: depression, anxiety, loss of libido, insomnia, water retention, inability to process glucose (weight loss/gain). Physicians are now beginning to recommend routine vitamin B6 administration during hormonal contraception/medication.
Grumpiness and irritability are also often symptomatic of a deficiency according to "Body, Mind, and the B Vitamins" by Ruth Adams and Frank Murray.
Overdose
An overdose of pyridoxine can cause a temporary deadening of certain nerves such as the proprioceptory nerves; causing a feeling of disembodiment common with the loss of proprioception.
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