There’s no reason to believe that teenagers in the UK would be any different. They get less sun exposure than many parts of the US and have a low intake of oily fish, the primary dietary source of vitamin DWhat it does: Helps maintain strong and healthy bones by retaining calcium. Deficiency Signs: Joint pain or stiffness, backache, tooth decay, muscle cramps, hair loss….. This is yet more evidence that children, teenagers and adults need more vitamin D than is delivered by diet or most RDA based multivitamins. They also need to get outdoors. The classic archetype of a teenager who wakes up late and spends all day indoors is a major part of the reason for this widespread deficiency. I recommend everyone achieve 30mcg a day (the RDA is only 5mcg). 15mcg a day can be achieved by eating oily fish three times a week, plus half a dozen eggs and 15 minutes of sun exposure a day. That leaves 15mcg, which is the level I would recommend any decent multivitamin should contain. If you’d like to find out more about nutrition for children read Optimum Nutrition for Your Child. Also read my Special Report on Vitamin D.
One in seven teenagers lack vitamin D
That’s the conclusion of a study of 3,577 12 to 19 year olds in America. The researchers found that the lower the level the greater was the risk for obesity, excess abdominal weight, high blood pressure and blood sugar levels. Those with dark skin were more likely to have low levels. This widespread deficiency is likely to increase risk for heart disease and possibly cancer, which is strongly linked to low vitamin DWhat it does: Helps maintain strong and healthy bones by retaining calcium. Deficiency Signs: Joint pain or stiffness, backache, tooth decay, muscle cramps, hair loss…. status. It also would make a person less able to fight off an infection due to vitamin D’s role in boosting immunity.
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