Zinc is also needed for the repair of damaged tissue and has a protective effect against stomach ulceration. Zinc supplements with 25 to 50 mg of zinc per day and 1 to 3 mg of copper per day must be taken. Experimental animal studies have shown that zinc a salt of the amino acid carnosine exerts significant protection against ulcer formation and promotes the healing of existing ulcers. This compound can help eradicate H. pylori, an organism that has been linked to peptic ulcer.

Glutamine, an amino acid, is the principle source of energy for cells that line the small intestine and stomach. Some suggest 500 to 1000 mg of glutamine taken two to three times per day may help people overcome peptic ulcers.