Vitamin D in Early Childhood and the Effect on Immunity to Mycobacterium tuberculosis

Table 1

Serum 25-hydroxyvitamin D (25[OH]D) concentrations, health, and disease (modified from [37]).

25[OH]D concentration	Vitamin D status	Manifestation	Management
<25 nmol/L	Deficient	Rickets, Osteomalacia	Treat with high-dose calciferol
25–50 nmol/L	Insufficient	Associated with disease risk	Vitamin D supplementation
50–75 nmol/L	Adequate	Healthy	Lifestyle advice
>75 nmol/L	Optimal	Healthy	None