l tryptophan

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    l tryptophan


    Can someone bring me up to speed? I thought this amino was banned by the FDA??

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    i thought it was too.
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    Courtesy of Wiki:

    In February 2001 the FDA loosened the restrictions on marketing (though not on importation), but still expressed the following concern:

    "Based on the scientific evidence that is available at the present time, we cannot determine with certainty that the occurrence of EMS in susceptible persons consuming L-tryptophan supplements derives from the content of L-tryptophan, an impurity contained in the L-tryptophan, or a combination of the two in association with other, as yet unknown, external factors."

    Link: Tryptophan - Wikipedia, the free encyclopedia
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    Quote Originally Posted by waytogd
    Can someone bring me up to speed? I thought this amino was banned by the FDA??
    You can buy it now but it's pretty damn expensive when compared to turkey or 5-htp. Many use it to boost brain seratonin levels.
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