Vitamin K3 (Menadione)

What is Vitamin K3?

Vitamin K3 (menadione) is a synthetic form of vitamin K commonly used in animal nutrition. It plays a key role in blood clotting and contributes to normal physiological function.

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Role and importance

Vitamin K is involved in:
‣ Blood clotting processes
‣ Activation of clotting factors
‣ Bone metabolism
In feed systems, adequate levels are essential to prevent deficiency-related health issues.

Vitamin K3 in feed and premixes

Vitamin K3 is widely used in animal feed because of its stability and effectiveness compared to natural forms.
It is typically included in premixes to ensure a consistent supply and support overall animal health.

Stability and behaviour

Vitamin K3 is relatively stable compared to other vitamins, but may still be affected by:
‣ Processing conditions
‣ Storage environments
‣ Interactions within the feed matrix

Why laboratory analysis matters

Analysis of vitamin K3 is important to:
‣ Confirm inclusion levels
‣ Maintain product consistency
‣ Support animal health and performance
‣ Ensure compliance with nutritional specifications

Chem Nutri Analytical is an independent, SANAS-accredited laboratory serving the food and agricultural sectors. Proudly South African, we’ve delivered reliable, science-driven testing since 2014. Bringing global benchmarking standards to local industries.

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