Holt M.D. Labs/Nature’s Benefit, Inc., Newark, NJ, has launched Nature’s Calcium™ with Ornical™ Natural Calcium from Eggshells. Ornical Natural Calcium from chicken eggshells is produced through an all-natural, chemical-free, patented process pioneered by Ovagen, LLC. This patented, “eco-friendly” process separates the naturally refined eggshell calcium and minerals from the eggshell membrane.