I found out I am deficient in Vitamin D but my Calcium levels are in normal range. How is this possible? I thought the two go hand in hand. Shouldnt I also be deficient in Calcium as well?
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Well vitamin D helps absorb calcium, but you still absorb calcium without it, so not necessarily.
no, your body produces quite a bit of calcium on it’s own;; quit thinking only of milk;; too much info for this site;; talk to the doc or someone in the med profession
Easy! We get most of our vitamin from the food we eat. So you might of had lots of Vitamin D in the past in which case your uptake of other vitamins are normal. However, one week you missed Vitamin D had a blood test and it revealed you are deficient. They have a table of the Recommended Daily Allowance on Vitamins, so if your D intake is low, you might have enough to keep the Calcium going, but it will register low or deficient in the test. Very few foods in nature contain vitamin D. The flesh of fish (such as salmon, tuna, and mackerel) and fish liver oils are among the best sources. Small amounts of vitamin D are found in beef liver, cheese, and egg yolks. Vitamin D in these foods is primarily in the form of vitamin D3 (cholecalciferol) and its metabolite 25(OH)D3. Some mushrooms provide vitamin D2 (ergocalciferol) in variable amounts. Then you have the Sun! We only absorbe 10% of the calcium in our diet. Among the factors that influence calcium absorption are three major reglators of calcium metabolism in the body. The parathyroid glands produce
a hormone (PTH) which moves calcium from the bones into the bloodstream. It also signals the kidneys conserve calcium and other minerals from the urine.
Additionally, PTH signals the kidneys to produce calcitrol, which is
formed from vitamin D, and which signals the small intestine to absorb more calcium. The thyroid gland secretes calcitonin, which increases bone mineralization, and decreases the rate at which the bone is broken down.
So it could be that the other factors in the body are stabilizing the Calcium, stop you from excreating it in the urine, putting it into the bone, or breaking down the bone back into the blood, but this system is working, except it has not been relying on Vitamin D.