It is recommended to use K2 along with vitamin D since they work synergistically for calcium absorption in the body. Vitamin D3 improves calcium absorption from the intestines into the bloodstream and vitamin K2 helps to move the calcium into bones and teeth and avoid deposition in soft tissues like arteries. The combination helps in bone density and strength and helps avoiding osteoporosis, age related bone loss and fracture risk.
Use under medical supervision especially if you are on blood thinners since K2 can interact with drug's blood thinning effect, if you have an underlying kidney disease, if you have hyperparathyroidism, or known to have vitamin D toxicity, and tendency for kidney stones.
It is always advisable to get your lab tests done regularly to monitor the blood values of vitamin D in the body to avoid overdose and toxicity since vitamin D is stored in the body.
Always consult your primary care provider or qualified nutritionist while using supplements.
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