Bluebonnet® Iron-Free Multiminerals & Boron - Full Spectrum is a chelated multimineral formula that features a comprehensive blend of minerals. This multimineral formula features chelated minerals which are bound to amino acids in order to enhance absorption. Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, yeast, gluten, barley, rice, sugar and sodium.