I have been using the Ultimate Bone Support off & on for over 2 years now (more on than off). I notice when I don’t take it my nails start to break easy again, my hair growth slows down, I feel like I’m slowing down (Waiting on My Dr. to order my New Bone Density test to compare from 2 years ago ( I’ve had Osteopenia for years but 2 yrs ago they saw osteoporosis in my left hip),, But I will continue to take it and wait and see what the test results are ?? I have checked the Health Food Stores. And none of them have Anything close to Ultimate Bone Support ingredients