Together, the copper and zinc, form a Galvanic Battery which produces a micro voltage and amperage which represents billions of free electrons for the body to absorb,.. electrons that not only add energy to the cells but also neutralize free radicals that normally consume tissues and joints... Super Recommended Bracelet. As well as pure copper and pure zinc bracelets you can find in my store as well. Also we offer colloidal zinc, colloidal copper and colloidal gold, silver, magnesium, bismuth and indium in our product called Noble Metals which have 7 colloidal Metals in a bottle or spray.