An infant (from the Latin word infans, meaning unable to speak or speechless) is the very young offspring of a human or other animal. When applied to humans, the term is usually considered synonymous with baby or bairn (in Scottish English), but the latter is commonly applied to the young of any animal.
The Function of Vitamin K. Vitamin K refers to a group of vitamins which includes vitamin K1 and vitamin K2. Vitamin K1 is synthesized by plants. Vitamin K2 is mainly produced by both humans and animals, but also by bacteria found in the large intestine.
It may be thought of as the plant form of vitamin K. It is active as a vitamin in animals and performs the classic functions of vitamin K, including its activity in the production of blood-clotting proteins.