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 status of the participants before and after the intervention.

Percentages of the study population having (A) Low Vitamin D (

Clinical characteristics and prevalence of vitamin D insufficiency in children less than two years of age

All About Vitamin D At-Home Health Tests

Vitamin D: A Review of Clinical Use and Efficacy

Vitamin D: 31 ng/mL

PDF) Assessing Vitamin D Testing and Supplementation Patterns in a Large Inner City Clinic

Vitamin d

NKF KDOQI Guidelines