Doctor insights on:
Is Sunlight A Source Of Vitamin D
Yes & foods: The flesh of fatty 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. Some mushrooms provide vitamin d2 in variable amounts. Ready-to-eat breakfast cereals often contain added vitamin d, as do some brands of orange juice, yogurt, margarine and other food products. ...Read moreSee 2 more doctor answers
Sunlight: Sunlight absorbed through the skin increases the formation of too much vitamin D under the skin and in the blood. Like anything else "too much of a good thing" is no good for anyone. In the summer you would do best to put sunscreen on as you go out in the sun. You do not want sunburn, nor do you want high levels of vitamin D. ...Read more
Vitamin D: Being low on vitamin D is an independent risk factor for major depression. Vitamin D is an important hormone for bone metabolism, so being low increases your risk for osteoporosis. Vitamin D is also important for the functioning of your immune system and being low is a risk factor for several cancers. It is critical in the operation of many genes. ...Read more
Is vitamin d already present inside the body or do we just generate it by staying in the sunlight and eating vitamin d foods?
Produced by sunligh: It is produced by exposure to sun light, but some foods are fortified like milk.There are small quantities of vit d in salmon, mackerel, mushrooms, cod liver oil, tuna canned in water, sardines canned in oil, egg yolk, milk or yogurt, cheese and beef or calf liver. ...Read more
Is it necessary to stay in the sunlight 30 minutes in a row to take the vitamin D that you need or you can spread them throughout the day?
Crucial: Vitamin d is synthesized from uvb rays & uvb rays only reach us when the sun is greater than 50 degrees above the horizon- that it why most americans can't make any d in the fall & winter when the sun is never that high. In summer months we can produce d best when the sun is high, usually 10-3. See http://articles.Mercola.Com/sites/articles/archive/2012/03/26/maximizing-vitamin-d-exposure.Aspx. ...Read more
Yes: Sounds like a good idea to me go to vitamndcouncil.Org for more info. ...Read more
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