Medically reviewed by Violetta Shamilova, PharmD Key Takeaways The body needs both calcium and vitamin K2 for healthy ...

Medically reviewed by Jamie Johnson, RDN Key Takeaways Too much vitamin D can lead to harmful health effects, including high ...

A daily vitamin D supplement can support bone strength, muscle function, and balance—especially in people who are vitamin D ...

Vitamin D3 plus calcium offers no overall bone or muscle benefit in adolescents with perinatal HIV infection but appears to increase lumbar spine bone density in those with vitamin D insufficiency.

Vitamin D and calcium are essential for overall health but don’t reduce the risk of falls or fractures in generally healthy older adults, according to a new draft recommendation from the US Preventive ...

Vitamin D and calcium supplementation may reduce risk of cancer but increase risk of cardiovascular disease, new study shows. The study, which looked at postmenopausal women, showed that the ...

Vitamin D regulates calcium and phosphate levels, which are both vital when it comes to maintaining healthy bones, teeth and ...

Two new reviews throw cold water on the health promises of dietary supplements, particularly vitamin D and calcium, as well others, with experts concluding their intake should be avoided or ...

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.

According to a study published by Annals of Internal Medicine, vitamin D and calcium supplements might reduce risk of death from cancer but increase the risk of death from heart disease. Here’s ...

Most adults need 1,000 milligrams of calcium each day. Instead of relying on supplements, consider adding calcium-rich foods ...

Getting enough of the "sunshine vitamin" can be difficult in cold months.