Poisonous Unintended effects because of the drug valproic acid. Toxicity a result of valproic acid appears to be connected with L-carnitine deficiency. Using L-carnitine by mouth or by IV can prevent liver toxicity from valproic acid. IV products and solutions can only be given by a Health care company. ขอบคุณที่อ่านค่ะ https://jaroslavu406qqq2.wikicorrespondent.com/user