Phenylglyoxylic acid (PGO) usually results from exposure to styrene. Styrene is used in the manufacturing of plastics, in building materials, and is found in car exhaust fumes.
Reduce exposure by eliminating plastic and styrofoam containers for cooking, reheating, eating or drinking (especially warm or hot) food or beverages. Replace these containers with glass, paper, or stainless steel whenever possible. Elimination of styrene can be accelerated by sauna treatment, reduced glutathione supplementation (oral, intravenous, transdermal, precursors such as N-acetyl cysteine [NAC]).
Exposure to environmental styrene may slightly increase phenylglyoxylic and mandelic acid.
Reduce exposure by eliminating the use of plastic and styrofoam containers for cooking, reheating, eating or drinking. Elimination of styrene can be accelerated by supplementing with glutathione and N-acetyl cysteine (NAC).
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