Vitamin D deficiency is more common than you might expect. People who don’t get enough sun, especially people living northern climates, are at risk. Vitamin D deficiency also occurs in sunny climates, possibly because people are staying indoors more, covering up when outside, or using sunscreen more consistently these days to reduce skin cancer risk. Vitamin D is crucial for the absorption and metabolism of calcium and phosphorous, which have various functions, especially the maintenance of healthy bones. It supports the immune system, and adequate vitamin D levels are linked with healthy weight.
On the upside, researchers have recently found that having healthy amounts of D3 relaxes your blood vessels, helps bone-building drugs work better, makes weight loss faster and easier, and even transforms slow sperm into speedy swimmers (think dog paddlers versus Michael Phelps).
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.