Compared to other nutrients, vitamin K is the least recognized. Only a few people know about its health benefits. Because of this, many people are deficient in this vitamin. A recent study suggests that vitamin K may actually help improve adults’ memory. Researchers claim that this is the first ever study that aims to distinguish the link between vitamin K and cognitive functions among older adults. The study also talks about the different types of vitamin K for us to fully understand the benefits of taking each.