Safety of Supplements Posted on January 31, 2012April 3, 2018 by Robert Lapsley Are supplements safe? When you see minerals like arsenic, lead, aluminum, listed in the Youngevity products does it make you wonder? Listen to what Dr. Wallach has to say. Dr. Wallach on the Safety of supplements Also; for a better understanding of why plant derived minerals are safe and metallic/elemental minerals are not go to Plant Derived Minerals.