Actually vitamin D deficiency occurs due to inadequate exposure to sunlight or because of a strict vegetarian diet. Excessive use of sunscreen, having IBS, Crohn’s or celiac disease could be the other risk factors for vitamin D deficiency. Since Vit D is a fat soluble vitamin, disorders affecting fat metabolism can affect Vit D absorption. These include liver disorders, Crohn’s disease, colitis, and kidney problems. Rarely this is a hereditary disorder. Obese individuals who have undergone gastric bypass surgery may become vitamin D deficient without a sufficient intake of this nutrient from food or supplements, since part of the upper small intestine where vitamin D is absorbed is bypassed. This deficiency is not related to some food inhibiting the uptake of vitamin D. The deficiency is due to either diet poor in vitamin D or because there is not enough sunlight to help body synthesize it. The only other factor is parathyroid gland problem. If you have low vitamin D, you must rule out the above mentioned causes. Thereafter you need to take Vitamin D supplementation as injections or oral medications. You can eat fortified cereals, fish like salmon, tuna, and mackerel, beef liver, egg yolk and cheese. Hope this helps. Take care!
The medical advice given should not be considered a substitute for medical care provided by a doctor who can examine you. The advice may not be completely correct for you as the doctor cannot examine you and does not know your complete medical history. Hence this reply to your post should only be considered as a guiding line and you must consult your doctor at the earliest for your medical problem.
Vitamin D, as stated above, comes from the sun in peak hours -- exactly the hours we've now been told not to go out into the sun! It has nothing to do with a vegetarian diet, and I'm not a vegetarian so I have no dog in this fight. Some people think vitamin D is in certain animal foods such as milk, but it's only there because it's added. If you're having trouble with it you may have to supplement, given our current indoor lives.
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