Research Article
Epidemic of Vitamin D Deficiency and Its Management: Awareness among Indian Medical Undergraduates
Table 2
Vitamin D status in relation to 25 (OH)
levels [
30,
31].
| IOM (Institute of Medicine) | |
| Severe deficiency | <5 ng/mL | Deficiency | <15 ng/mL | Sufficiency | >20 ng/mL | Risk of toxicity | >50 ng/mL |
| US Endocrine Society Classification | |
| Deficiency | <20 ng/mL | Insufficiency | 21–29 ng/mL | Sufficiency | >30 ng/mL | Toxicity | >150 ng/mL |
|
|
(OH)D = 25-hydroxycholecalciferol.
|