Ayone familiar with oPurity vitamins.
I personally would not use them because they have no copper in them. If you do use them, I would take copper separately. I would not go with no copper at all.
Please note: I AM NOT A DOCTOR. If you want medical advice, talk to your doctor. Whatever I post, there is probably some surgeon or other health care provider somewhere that disagrees with me. If you want to know what your surgeon thinks, then ask him or her. Check out my blog.
Hate to say this because I love their vitamins and I have had no problems with my labs up to this moment. However their multivitamin has been out ouf stock since about january 2011 and their clacilum just went on out of stock status. I have been using centrum chewables (hate the aftertaste) and I am almost finished with the calcium so will have to look for another brand.
Good Luck
Good Luck