Vitamin D sufficiency is important for optimum musculoskeletal well being—particularly as you grow old. “As we age, our cutaneous manufacturing, or the pores and skin synthesis, goes down naturally,” mindbodygreen’s former vp of scientific affairs Ashley Jordan Ferira, Ph.D., RDN, says on the mindbodygreen podcast. “Older age is a serious vitamin D deficiency danger factor6 to be aware of—for your self and your family members,” she provides.