New research suggests that a simple, affordable nutrient may help rewind the biological clock by protecting your DNA.

Vitamin D3 and vitamin K2 work together to support bone strength, improve calcium use, and help maintain healthy bone density.

In nutrition science, certain vitamins and minerals don’t work in isolation, they complement, amplify, or balance each other’s functions within the body. These “nutrient synergies” are increasingly ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Vitamin D3, a form of vitamin D that we get from certain foods and exposure to sunlight, is an essential nutrient that plays a role in many bodily functions. This fat-soluble vitamin helps the body ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...

Vitamin D2 is plant-based; vitamin D3 comes from sunlight and animal products. Vitamin D3 may be more effective than D2 at raising vitamin D levels and sustaining them for longer. Vitamin D can be ...