nmol/L | ng/mL | Vitamin D Status |
<30 | <12 | Associated with vitamin D deficiency, leading to rickets in infants and children and osteomalacia in adults |
30 to <50 | 12 to <20 | Generally considered inadequate for bone and overall health in healthy individuals |
≥50 | ≥20 | Generally considered adequate for bone and overall health in healthy individuals |
>125 | >50 | Emerging evidence links potential adverse effects to such high levels, particularly >150 nmol/L (>60 ng/mL) |