Here you’ll find 3 Vitamins that start with K that begin with K, organized from “Vitamin K” to “Vitamin K2”. These fat‑soluble vitamins support blood clotting, bone health, and cardiovascular function and appear in leafy greens and fermented foods.
Vitamins that start with K are fat‑soluble micronutrients involved in coagulation and bone metabolism. They were named for “Koagulation” after Henrik Dam’s 1929 discovery and remain essential in diets worldwide.
Below you’ll find the table with Vitamin, Benefits, Primary Food Sources, and Recommended Daily Intake (RDI).
Vitamin: The name and common variants so you can identify which specific nutrient the row describes.
Benefits: A concise 1–2 sentence summary showing the main health roles and practical benefits for you.
Primary Food Sources: Three to five common foods that supply this vitamin, helping you choose dietary sources quickly.
Recommended Daily Intake (RDI): Standard RDI figures with units and age/gender caveats so you can compare needs accurately.
Vitamins that start with K
| Name | Forms | Primary food sources | RDI (units & source) |
|---|---|---|---|
| Vitamin K | phylloquinone (K1), menaquinones (K2, MK-4/MK-7) | spinach, kale, broccoli, natto, chicken liver | 120 µg men 19+; 90 µg women 19+ (NIH) |
| Vitamin K1 | phylloquinone | spinach, kale, broccoli, Brussels sprouts | 120 µg men 19+; 90 µg women 19+ (NIH) |
| Vitamin K2 | menaquinones (MK-4, MK-7) | natto, hard cheese, chicken liver, egg yolk | 120 µg men 19+; 90 µg women 19+ (NIH) |