Aug. 23, 2026 Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored more than 13% higher on a cognitive test than those taking none. The ...
Calcium and vitamin D work best together because vitamin D helps the body absorb calcium for stronger bones. Many adults can meet calcium needs through food, but vitamin D often requires supplements ...
Vitamin D helps your body absorb calcium, supports muscle movement, and boosts immune function. It’s best absorbed with a fat-containing meal, while magnesium and vitamin K2 help support how the body ...