Low Vitamin-D Levels
Vital for maintaining healthy bones, vitamin D is crucial for calcium absorption, which is why low levels can lead to increased risk of osteoporosis and weak bones. It’s estimated that at least 40 percent of American adults are deficient in vitamin D and many might not even know it. Under 30 ng/mL is considered low, whereas under 20 ng/mL is deficient.
Recommendation: The most natural and efficient way for your body to make vitamin D is via sunshine-on-skin, though taking supplements can help, too. According to the Vitamin Council, Vitamin D3 is the best form of vitamin D supplementation to take.
