Appeal court reaffirms validity of structure/function claims in biotin lawsuit An appellate court ruling that reaffirms the validity of structure/function claims is good news for the dietary supplement industry, an attorney says. Katie Bond, who is now with the law firm Lathrop GPM, said the ruling came in a case brought against Target and contract manufacturer International Vitamin Corporation and concerned structure/function claims for the ingredient biotin, which has been considered one of the B vitamins. Bond wrote an amicus brief in the case on behalf of the...