The National Health and Nutrition Examination Survey reported that 50 percent of children ages 1-5 and 70 percent of children between the ages of 6-11 are deficient or insufficient in vitamin D. Some researchers estimate that 50 percent of the general population is deficient or insufficient in vitamin D. (1)
It is estimated that 50 percent of the general population is deficient or insufficient in vitamin D.
Vitamin D deficiency has been linked to increased risk of cardiovascular disease, cognitive impairment in adults, severe asthma in children and cancer. (2)
A new study finds that supplementing vitamin D may improve your exercise performance! Vitamin D is both a vitamin and a hormone and helps control calcium and phosphate lives in the blood. In the study, researchers gave 13 healthy adults 50mg of vitamin D or a placebo for a two week period. (3)
Study finds that vitamin D supplementation not only improves health, but also improves exercise performance!
They found that adults who received vitamin D had lower blood pressure and lower levels of stress hormone, cortisol. A fitness test found that the group taking vitamin D could cycle 6.5 km in 20 minutes, compared with just 5 km at the beginning of the study. Researchers also found that this group showed lower signs of physical exertion. (3)
Those who supplement vitamin D were able to bicycle 30 percent further!
If you are looking to increase your levels of vitamin D, be sure that you are getting plenty of sunlight. During those cold, dreary, winter months, consider taking a high-quality supplement and eating foods that are rich in vitamin D. Foods such as wild caught salmon and mackerel are a good source of vitamin D, along with beef or calf liver, egg yolks and canned tuna or sardines. If you are vegan or vegetarian and meat and fish sources are not options, consider adding shiitake mushrooms to your diet. One cup of shiitake mushrooms contains 40 IU of vitamin D in 1 cup!(4)
Vitamin D is essential to healthy functioning; don’t forget to supplement your diet this winter and continue to get outside whenever possible. While staying indoors may be warmer, getting outdoors for a walk will help improve your mood, increase vitamin D levels and increase physical activity!
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