Review Article
Optimal Vitamin D Supplementation Levels for Cardiovascular Disease Protection
Table 1
Proposed classification of vitamin D status.
| Vitamin D status | nmol/L | ng/mL |
| Toxicity | >375 | >150 | Optimal | 100–150 | 40–60 | Sufficient | 75–99 | 30–39 | Insufficient | 50–74 | 20–29 | Deficient | <50 | <20 |
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