EXHIBIT 99.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         In connection with the Quarterly Report of MEDTOX Scientific, Inc. (the
"Company") on Form 10-Q for the quarter ended September 30, 2002 as filed with
the Securities and Exchange Commission (the "Report"), I, Richard J. Braun,
Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. ss.1350,
as adopted pursuant to ss.906 of the Sarbanes-Oxley Act of 2002, that:

         (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.



Dated:   November 14, 2002                      By:   /s/ Richard J. Braun
                                                      -----------------------
                                                      Richard J. Braun
                                                      Chief Executive Officer