On March 5, 2024, the U.S. Food and Drug Administration (FDA) issued an industry guidance titled Dietary Supplements: Nferrous fumarate wampoleew Diwhat is the difference between zinc and zinc gluconateetary Ingredient Nomagnesium drink for constipationtification Pslug killer ferric phosphaterocedures and Timeframes: Guidance for Industry1(hereafter Guidance). This Gzinc gluconate is used foruidance is intended to help manufacturers and distributors of new dietary ingredients (NDIs) and dietary supplements prepare and submit new dietary ingredient notifications (NDINs) to the FDA.