Abstract: A composition and method of preparing amino acid chelates and complexes free of interfering ions by blending an amino acid ligand, a calcium oxide and/or hydroxide, and a hydrated metal sulfate salt, placing the blend in a closed environment, heating the blend, and allowing the blend to react is disclosed and described. By heating at low to moderate temperatures in an enclosed environment, the waters of hydration of the metal salt are retained in the enclosed environment and serve to provide the moisture necessary to enable a bonding reaction to take place between the electron rich functional groups of the ligand and the metal ion of the hydrated metal sulfate salt. Additionally, calcium sulfate is formed which can be maintained in the final product.

Abstract: The present invention relates to compositions and methods of preparing amino acid chelates that are essentially free of interfering ions. The composition is prepared by reacting in an aqueous solution, a calcium oxide and/or hydroxide, an amino acid, and a soluble metal sulfate salt at a ratio sufficient to allow substantially all of the ions present in solution to react forming a positively charged metal amino acid chelate having a hydroxide counter-ion, and calcium sulfate, and wherein the metal amino acid chelate has a ligand to metal molar ratio from 1:1 to 2:1.

Abstract: The present invention relates to compositions and methods of preparing amino acid chelates that are electrically neutral and free of interfering ions. The composition is prepared by reacting in an aqueous solution a calcium oxide and/or hydroxide, an amino acid, and a soluble metal sulfate salt at a ratio sufficient to allow substantially all of the ions present in solution to react forming a metal amino acid chelate and an essentially inert calcium sulfate, and wherein the metal amino acid chelate has a ligand to metal molar ratio from 2:1 to 3:1.

Abstract: A zinc amino acid chelate formulation is disclosed comprising zinc ions being chelated by an amino acid ligand mixture comprising glycine and a sulfur-containing amino acid wherein the ligand to zinc molar ratio is from about 1:1 to 2:1 and wherein the glycine to sulfur-containing amino acid molar ratio is between about 1:6 to 6:1.

Abstract: A chelate comprised of creatine bonded to an essential mineral selected from the group consisting of Mg, Ca, Cu, Zn, Fe, Cr, Co, Mo, Se and Mn to form a heterocyclic ring. Preferably, the metal is Mg, but Ca, Zn, Fe, Cr and Mn are also preferred. The creatine chelates of the present invention are capable of being absorbed in the stomach or intestines via active transport without substantial metabolism of the chelate. In other words, the creatine ligand is protected by the metal from undergoing cyclization in the acidic environment of the stomach and the metal is made more bioavailable due to the presence of the creatine ligand.