Most of us are lacking in calcium and/or vitamin k2 (which is crucial for proper calcium absorption and usage). This is an AMAZING supplement and a very easy way to add some extra calcium and the vitamins that help to make it more bio-available

I have been taking this every day for at least 5 yrs. My torn disc in the lower vertebrae has improved greatly since then. I can't say for sure if it is solely responsible, but I'm definitely not going to stop taking it.