EXHIBIT 99.1 August 14, 2002 Via EDGAR Securities and Exchange Commission Judiciary Plaza 450 Fifth Street, N.W. Washington, D.C. Re: Royal BodyCare, Inc. - Quarterly Report on Form 10-Q For the Quarterly Period ending June 30, 2002 Ladies and Gentlemen: Transmitted herewith are written statements pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 to accompany the above-captioned periodic report. Very truly yours, Royal BodyCare, Inc. By: /s/ Steven E. Brown ---------------------------- Steven E. Brown Vice President-Finance and Chief Financial Officer