MCHC is raw bone from, in this case, healthy, grass-fed New Zealand bone, which is for supporting a healthy bone density response. When combined with raw, wild spices, as in BoneActiv capsules. Use MCHC also to support a healthy physical and exercise response by increasing the strength and density of the bone mass. With raw bone it is crucial to avoid feedlot sources, which is the case with most MCHC supplements.