This list includes 3 vitamins that start with D, ranging from “Vitamin D” to “Vitamin D3”. These D vitamins are fat-soluble compounds that support bone health, calcium balance, and immune function.
Vitamins that start with D are fat-soluble micronutrients (notably D2 and D3) that regulate calcium and phosphorus levels. Historically, cod liver oil and sensible sun exposure helped prevent rickets in many regions.
Below you’ll find the table with Vitamin, Benefit, Food sources, and Recommended Daily Intake (RDI).
Vitamin: Shows the vitamin name and common forms so you quickly identify each entry.
Benefit: Summarizes key 1–2 health effects in plain language so you understand its main role.
Food sources: Lists 3–5 primary foods that supply the vitamin, useful for meal planning.
Recommended Daily Intake (RDI): Provides RDI values with age and gender notes and an authoritative source for context.
Vitamins that start with D
| Name | Common forms / synonyms | Primary food sources | RDI (value, population caveat, source) |
|---|---|---|---|
| Vitamin D | calciferol (includes D2 and D3) | Fatty fish (salmon and mackerel); Cod liver oil; Fortified cow milk and plant milks; Egg yolks | 600 IU (15 µg), adults 19–70 (NIH) |
| Vitamin D2 | ergocalciferol; vitamin D2 | UV‑exposed mushrooms; Fortified plant milks and cereals; Yeast‑derived supplements | 600 IU (15 µg), adults 19–70 (NIH) |
| Vitamin D3 | cholecalciferol; vitamin D3 | Fatty fish (salmon and mackerel); Cod liver oil; Egg yolks; Fortified dairy and plant milks | 600 IU (15 µg), adults 19–70 (NIH) |