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Neo, I’m slow in getting to this conversation. But, in case you didn’t get an answer here is what ChatGPT says:
Menadione (Vitamin K3) is a synthetic compound that is not commonly found in natural food sources. However, it is sometimes used in animal feed and supplements due to its vitamin K activity. Unlike natural forms of vitamin K, such as:
- Vitamin K1 (Phylloquinone) – Found in leafy green vegetables (spinach, kale, broccoli).
- Vitamin K2 (Menaquinone) – Found in fermented foods, animal products, and certain cheeses.
Menadione is not typically used in human dietary supplements due to concerns about potential toxicity at high doses. Instead, natural vitamin K sources are preferred for human nutrition.
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