The ingredients like copper amino acid chelate, sodium selenite and thiamine mononitrate don't really have much effects. (usbones.com)
A Zinc supplement that is chelated (known as Zinc amino acid chelate) is likely to be absorbed more efficiently by the body. (herpes-coldsores.com)
Manganese (as Manganese Amino Acid Chelate)- 10 mg Manganese is a trace mineral that activates enzymes responsible for nutrient utilization. (holisticpetinfo.com)