I tend to agree with Chris, that vitamin B6 (pyridoxine) is a genuine vitamin. Furthermore B6 is required to convert tryptophan into serotonin, as well as other co-enzymes such as magnesium and zinc. Vitamin B6 (pyridoxine) needs to be to converted to its active form to pyridoxal-5-phosphate (P5P) which is dependent on a zinc containing enzyme. Thus vitamin B6 without zinc may be inactive. A deficiency of vitamin B6 can lead to mood disorders. A deficiency of vitamin B6 is usually marked by failure to recall dreams
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