Vitamin K and Vitamin C

Vitamin K noun - A fat-soluble vitamin that helps in the clotting of blood.

Vitamin C and vitamin K are semantically related. In some cases you can use "Vitamin C" instead a noun phrase "Vitamin K".

Vitamin C noun - A vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy.

Vitamin K and vitamin C are semantically related. You can use "Vitamin K" instead a noun phrase "Vitamin C".