vitamin K2 is used to make proteins involved in blood clotting and bone metabolism. Plus, it may help prevent the buildup of minerals in your arteries.56
Who should take it: Supplements containing both vitamins D3 and K2 are specifically helpful for people over 50, Rinker said. But people should use caution if they’re taking Warfarin, or if they have existing calcium disorders or kidney dysfunction, he said.7
3. B Vitamins
There are eight types of B vitamins, and each one plays a crucial role in your health.
