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本帖最后由 StephenW 于 2014-10-12 15:54 编辑
回复 肝肠欲断 的帖子
最好是获取从食物中和晒太阳.
还是要用Ｄ的添加剂？- 如果缺乏, 我建议加维生素D添加剂.
哪些食物中含量高？鱼，鸡蛋和紫外线照射蘑菇
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Vitamin D is essential for strong bones, muscles and overall health. Ultraviolet (UV) radiation from the sun is necessary for the production of vitamin D in the skin and is the best natural source of vitamin D.
UV radiation from the sun is also the main cause of skin cancer. Taking a balanced approach to sun exposure can help make sure you get enough vitamin D while minimising your skin cancer risk.
To boost your vitamin D levels when in the sun, expose at least your face, arms and hands, or equivalent area of skin. For vitamin D to be produced, your skin must not be covered with clothing.
Prolonged sun exposure will not increase vitamin D levels further, but will increase the risk of skin cancer. Solariums should never be used to boost vitamin D, as they emit dangerous levels of UV that increase the risk of skin cancer.
There are small amounts of vitamin D in some foods such as fish, eggs and UV-irradiated mushrooms, but it is difficult to obtain enough vitamin D from diet alone. Most people only get five to 10 per cent of their vitamin D from food. Margarine and some types of milk have added vitamin D.
维生素D是强健骨骼，肌肉和整体健康至关重要。紫外线（UV）从太阳辐射是必要的，为生产中的皮肤的维生素D是维生素D的最佳天然来源
来自太阳的紫外线辐射也是皮肤癌的主要原因。以一种平衡的方式日晒可以帮助确保你得到足够的维生素D，同时尽量减少皮肤癌的风险。
为了提高你的维生素D水平时，在阳光下，暴露至少你的脸，胳膊和手，或肌肤的等效面积。对于要产生维生素D，你的肌肤一定不能有衣服。
爆晒不会增加体内维生素D水平进一步，反而会增加皮肤癌的风险。日光浴不应该被用来提高维生素D，因为它们发射紫外线的危险水平的增加皮肤癌的风险。
有少量的某些食品如鱼，蛋和紫外线照射蘑菇维生素D，但难以得到足够的维生素D从饮食本身。大多数人只从食物中获得的维生素D的5％至10％。人造黄油和某些类型的奶都添加了维生素D。
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发表于 2014-10-11 15:56
