Forms of Vitamin K
Each form is a distinct chemical with its own identity, elemental content and specification. Select one for its full datasheet.
Phytonadione (Vitamin K1)
2-Methyl-3-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphthalene-1,4-dione
- CAS
- 84-80-0
- Formula
- C31H46O2
- Vegan
- Gluten-free
- Non-GMO
Menatetrenone (Vitamin K2 MK-4)
2-Methyl-3-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenyl]naphthalene-1,4-dione
- CAS
- 863-61-6
- Formula
- C31H40O2
- Vegan
- Gluten-free
- Non-GMO
Menaquinone-7 (Vitamin K2 MK-7), fermentation
2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-Heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-3-methylnaphthalene-1,4-dione
- CAS
- 2124-57-4
- Formula
- C46H64O2
- Vegan
- Gluten-free
Menaquinone-7 (Vitamin K2 MK-7), synthetic
2-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-Heptamethyloctacosa-2,6,10,14,18,22,26-heptaenyl]-3-methylnaphthalene-1,4-dione
- CAS
- 2124-57-4
- Formula
- C46H64O2
- Vegan
- Gluten-free
- Non-GMO
Menadione (Vitamin K3)
2-Methylnaphthalene-1,4-dione
- CAS
- 58-27-5
- Formula
- C11H8O2
- Vegan
- Gluten-free
- Non-GMO
Menadione Sodium Bisulfite (MSB)
Sodium 2-methyl-1,4-dioxo-3H-naphthalene-2-sulfonate
- CAS
- 130-37-0
- Formula
- C11H9NaO5S
- Vegan
- Gluten-free
- Non-GMO