I love trace mineral supplements like Organic Kelp (contains about 20 - 30 trace minerals) and Anderson's Trace Minerals. (myersdetox.com)
A-K Bovine Replete is a vitamin trace mineral supplement designed to support all classes of dairy animals during extended periods of stress. (agriking.com)
Though there are specific trace mineral supplements, marine phytoplankton is an excellent source of all of the trace minerals that the body needs in the most bioavailable form. (wellnessmama.com)