9 Best Calcium, Magnesium, Vitamin D3 and K2 Supplements 2026
Calcium, magnesium, vitamin D and Vitamin K2 are vitamin and minerals that are vital to several bodily processes. Though they occur naturally in a variety of foods, many people take supplements to help increase their intake. Benefits and uses 1. May support bone health Calcium is the main mineral in your bones, which hold more than 99% of your body’s calcium stores. Your body is constantly regenerating its bone tissue, so it’s important to consume an adequate amount of this mineral daily ( bones.nih.gov ). Magnesium plays a key role in converting vitamin D into its active form, which aids calcium absorption ( Trusted Source ). Therefore, you can minimize your vitamin D requirement by making sure you’re also getting enough magnesium. Research has confirmed higher magnesium intake helps reduce your risk of vitamin D deficiency by activating more of it. A groundbreaking 2017 review compiled over 80 studies that show vitamin D3 and K2 together might be greater than...