Doctors Nutra Nutraceuticals Calcium 1000 Milligrams with 4000

What the brand says

Sold as “Doctors Nutra Nutraceuticals Calcium 1000 Milligrams with 4000 Milligrams MCHC for Complete Calcium Maximum Bone Strength Support Plus K1, K2, Magnesium, Vitamin D, Zinc, Glucosamine, and More”