i m recommended a medicine name caldree which have calcium and vitamin D-3. It does not have vitamin K. So what about it?
Avoid taking any other vitamin or mineral supplements that contain calcium or vitamin D without your doctor's advice.
Avoid taking an antacid within 2 hours before or after you take calcium and vitamin D combination. Some antacids can make it harder for your body to absorb calcium and vitamin D combination.
I suggest taking a good, multi-mineral supplement daily along with your vitamin D. Now-a-days, the food is so over processed that there are hardly any vitamins or minerals left in them.
As to Walmart vitamins, well, you get what you pay for. I order on-line through I-Herb, they have very reasonable prices and very inexpensive shipping as well.
If you're going to do K2... then make sure to use K2 as MK-7.
That's the best possible form for our bodies to be used together with Vitamin D.
Apart from that... calcium can easily be obtained from cottage cheese and yoghurt (plain one with probiotics).
Other relevant co-factors (but not as important as K2-MK7) include magnesium, zinc and selenium.
Magnesium can be easily obtained from diet alone (such as nuts) ...
If doing Zinc supplementation, only use Zinc Picolinate (the best one).
And Selenium should be used as L-Selenomethionine.
According to recent findings, the benefits of vitamin D, in terms of bone strength and cardiovascular health, are greatly enhanced when combined with vitamin K. Vitamin D improves your bone health by helping you absorb calcium. However, it is vitamin K that directs calcium to your skeleton, to prevent it from being deposited in the wrong areas.
Vitamin K2 activates a protein hormone called osteocalcin, produced by osteoblasts, which is needed to bind calcium into the matrix of your bone. Osteocalcin also appears to help prevent calcium from depositing into your arteries.
Evidence shows that vitamin D is dependent on vitamin K, and that vitamin D toxicity is actually caused by vitamin K2 deficiency.
Also, taking calcium in isolation without complimentary nutrients like magnesium, vitamin D, and vitamin K can have adverse effects, including the buildup of plaque in coronary arteries and heart attacks. Calcium intake should be balanced out with vitamins D and K, and other minerals crucial to your bone health.
As for Walmart I suggest subscribing to ConsumerLab.com it provides independent test results, reviews, ratings and comparisons of vitamins, supplements, herb and nutrition products to consumers.