also known as 25-hydroxyvitamin D3 in Serum or Plasma
The most accurate way to measure how much vitamin D is in your body.
| # | Retailer | Lab | Seen | Price | |
|---|---|---|---|---|---|
| 1 | Goodlabscheapest via Quest · seen today | Quest | today | $14 |
| order → |
| 2 | Instalab via Multi-lab (7) · seen today | Multi-lab (7) | today | $31 | order → |
| 3 | Goodlabs via LabCorp · seen today | LabCorp | today | $33 | order → |
| 4 | Goodlabs via BioReference · seen today | BioReference | today | $47 | order → |
| 5 | DirectLabs via Quest Diagnostics · seen today | Quest Diagnostics | today | $49 | order → |
| 6 | HealthLabs seen today | — | today | $59 | order → |
| 7 | Walk-In Lab via LabCorp,Quest · seen today | LabCorp,Quest | today | $59 | order → |
| 8 | Request A Test via Quest · seen 1mo ago | Quest | 1mo ago | $69 | order → |
| 9 | Request A Test via LabCorp · seen 1mo ago | LabCorp | 1mo ago | $69 | order → |
| 10 | LabsMD seen today | — | today | $114 | order → |
| Vitamin B12 | 16 retailers | $10 |
| Magnesium RBC Test | 14 retailers | $8 |
| Ferritin | 14 retailers | $9 |
| Calcium, Ionized | 14 retailers | $18 |
| Iodine Test | 13 retailers | $30 |
| Selenium | 12 retailers | $12 |
| Iron Test | 11 retailers | $13 |
| Zinc, Blood Test | 11 retailers | $11 |