维生素k2，让钙进入骨骼，也将它从心脏益处。

The vitamin K2, which moves calcium into the bones, also moves it out of the heart.

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纳豆是一种具体的维生素k，被称为K2的丰富来源。

Natto is a rich source of a specific form of vitamin K called K2.

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维生素K2对那些想要保持骨骼强壮和健康的女性尤其重要，它已被证明能减少高达80%的绝经后骨量丢失。

Vitamin K2 is especially important for women who want to keep their bones strong and healthy, and it has been shown to reduce post-menopausal bone loss by a whopping 80%.

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