Vitamin D: 30 ng/mL

A vitamin D level of 30 ng/mL is considered low or inadequate. Low vitamin D may put you at increased risk for COVID-19, diabetes, and cancer, as well as certain autoimmune and neurodegenerative diseases (such as multiple sclerosis and Alzheimer’s).

Vitamin D Deficiency and Disease Activity in Patients with Spondyloarthritis - ACR Meeting Abstracts

Oral Poster discussion: Shining Light on Vitamin D deficiency

Relative Risk for vitamin D < 30 ng/mL.

The Vitamin D Paradox: What you need to know before giving more and more — Donovan Hair Clinic

Healthy vitamin D levels could reduce COVID-19 complications

Randomized trial of two maintenance doses of vitamin D in children with chronic kidney disease

Vitamin D Supplementation Is Associated with a Reduction in Self-Reported Falls among Older Adults with Previous Fall History — Feasibility Study

Association of circulating serum free bioavailable and total vitamin D with cathelicidin levels among active TB patients and household contacts

Association of circulating serum free bioavailable and total vitamin D with cathelicidin levels among active TB patients and household contacts

Diagnostics, Free Full-Text

Before joint replacement surgery low Vitamin D associated with systemic disease – Aug 2018

Correlation between initial serum levels of vitamin D3 and measured