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To: Hank Scorpio who wrote (4416)	4/3/2009 2:06:19 PM
From: LindyBill	Read Replies (1) \| Respond to of 39298

Davis thinks most get plenty of calcium. The K2 supplement also distributes it. These comments will apply to only a minority of our Members, but it can be an important issue to those few. By Dr Davis Vitamin D is crucial for control over calcium metabolism. I often view vitamin D as a bricklayer, calcium as the mortar. The bricklayer--vitamin D--determines how, when, and how much mortar--calcium--is laid down. For the great majority of people, vitamin D brings calcium absorption and deposition back to normal. With vitamin D restoration, calcium deposition in bones is restored and calcium deposition in the artery wall is slowed or stopped, perhaps reversed. However, there are occasional instances in which blood calcium should be monitored if calcium metabolism is abnormal to begin with. Blood levels of calcium should therefore be monitored occasionally by your doctor under several unique circumstances: 1) If you have a history of hyperparathyroidism--This is a condition in which the parathyroid glands (near the thyroid gland) behave abnormally and extract calcium from bones. 2) If you have a history of cancer 3) If you have a history of high blood calcium 4) If you have sarcoidosis 5) If you have any active bone disease (except for common arthritis) 6) If you have kidney disease Outside of the above conditions, distortions of calcium metabolism are rare and monitoring of calcium is usually not helpful. It is, however, worth having a calcium level checked every once in a while, simply because it can serve as a useful screening test for the above conditions.

To: Hank Scorpio who wrote (4416)	4/3/2009 3:42:52 PM
From: mistermj	Read Replies (1) \| Respond to of 39298

Re: Calcium.Here is another post from the past that drills down into the issue a little more. I've had the same concerns, and saved it to my personal database. ========= Q&A .....I was posed a question by a fellow co-worker who was urged to increase her calcium intake to decrease her rish of osteoporosis. She of course gets the typical dietary sources of Calcium but was urged to supplement to obtain healthy calcium levels. She had heard, that if you supplement with Vit D(She supplements with D3 and her levels are normal), youshould decrease your calcium suplementation in half. Is this true? Or does she not need CA supplementation at all if her D3 levels are normal. Will optimum D levels afford her to just get CA from her foods? I found this to be a good question and was wondering what your take was on this? Dr. Davis: In light of the most recent observations, I believe that your co-worker is correct. When vitamin D is raised to normal blood levels, the absorption of calcium is increased, as much as quadrupled. This means that calcium in even spinach and broccoli is much more effectively absorbed, as are calcium supplements. The last 30 years of data on calcium supplementation failed to factor in full vitamin D restoration. It may therefore not be necessary to supplement high doses any longer if D is restored. Add to this the study in New Zealand women who took 1200 mg Caltrate with a small to moderate dose of vitamin D: heart attack risk was doubled. I have been advising patients to reduce calcium to no more than 600 mg per day when vitamin D is supplemented, unless otherwise directed by their doctor for specific reasons. Message 25097008