I Have No Parathyroid Glands And Have Taken Aspen Osteomin

I have no parathyroid glands and have taken Aspen Osteomin for years as my calcium replacement. They seem to no longer be in business and I went with Nuti-pak who made a Osteomin. It worked great but now they are out of business. I don't know what to take now. Ingredients in Osteomin was: calcium as calcium orotate 36mg Calcium aspartame 3mg: magnesium 13mg: vitamin d 400 IU. Dosage is one tablet/day but I took two/day which worked wee