A simple way to keep your muscles strong as you get older (and it isn't exercise)
This one step can strengthen aging muscles, boost your immune system, and even help you manage your weight.
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So what does this mean? It means that you can take and give your kids up to 15 mg of zinc without any additional copper.
By the way, I routinely check both zinc and copper levels and other mineral levels in all of my sick patients. Without question, zinc is the most commonly depressed mineral I find. Common signs of zinc deficiency are acne, frequent infections, learning disabilities, decreased taste and appetite, decreased brain function, and essential fatty acid deficiencies.