The benefits of vitamin D continue to be revealed, and debated. Now come researchers from Queen Margaret University in Edinburgh, who gave 13 healthy adults 50 micrograms of vitamin D per day or a placebo over a period of two weeks. Ready? The envelope please….The researchers found that those who had taken vitamin D had lower blood pressure compared to those given a placebo, and they had lower levels of the stress hormone cortisol in their urine. Wait, there’s more: Science Daily reports that a fitness test found that the group taking vitamin D, which is available naturally in fish, eggs and other foods, could cycle 6.5 km in 20 minutes, compared to just 5km at the start of the experiment, and despite cycling 30 percent further in the same time, the group taking vitamin D supplements showed lower signs of physical exertion.
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