Vitamin K3, also known as menadione, is a synthetic precursor of vitamin K. Vitamin K3 is not found naturally and is manufactured through chemical synthesis [1]. It serves as a source of vitamin K activity in animal feeds, especially for animals that cannot efficiently utilize other forms of vitamin K [2].
The production of vitamin K3 generally involves several chemical reactions. One common method includes reacting β-methylnaphthalene with various agents to form the menadione structure [3]. The resulting product is purified and crystallized to obtain the final form of vitamin K3.
Vitamin K3 is primarily used in animal feed as a nutritional supplement. It supports blood clotting, bone metabolism, and various other physiological functions in livestock and pets [4]. It ensures that animals receive adequate vitamin K, particularly when their diet may be deficient or their bodies cannot properly absorb other forms of vitamin K [5].
Vitamin K3 is typically packaged in airtight containers to protect it from light and moisture. Storage should be in a cool, dry place to maintain its stability and prevent degradation [6]. Following these storage guidelines helps to extend the shelf life and maintain the efficacy of the product.
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