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Vitamin D Deficiency

Vitamin D helps the body absorb calcium, which bones need to grow. A lack of vitamin D (deficiency) can lead to bone diseases such as osteoporosis or rickets. Vitamin D also has a role in the nerve, muscle, and immune systems.

Doctors + Care Team

Lisa Ceglia, MD

Lisa Ceglia, MD

Accepting New Patients

Title(s): Director, Metabolic Bone Diseases Clinic; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Metabolic bone disease, nutrition, general endocrinology

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Research + Clinical Trials


Vitamin D to Improve Outcomes by Leveraging Early Treatment

A randomized, double-blinded, placebo-controlled, phase III trial (up to maximum n=3000) of early vitamin D3 in vitamin D deficient patients at high risk of ARDS and mortality
More information about research and clinical trials

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