Being low on vitamin D can increase your risk of high blood pressure and diabetes, says Michael Holick, M.D., endocrinologist ...

Oftentimes, a vitamin d test is not needed. Instead, doctors look at overall risk and your symptoms to decide if ...

A new Briefing Paper, Diet in Pregnancy, published by the British Nutrition Foundation, combines the findings of academic research and recommendations from authoritative institutions into a roadmap ...

Typically, people with osteoporosis should maintain a serum 25-hydroxyvitamin D level of 30 ng/mL and supplement daily with 1 ...

Learn how vitamin D supplements may affect your blood pressure, who may benefit most, and how much to take safely—especially ...

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It’s his second app ...

Jack Dorsey launches Sun Day to track UV exposure and Vitamin D intake, following his Bluetooth-based messaging experiment ...

Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, ...

Another day, another app from Jack Dorsey. The Twitter co-founder has announced an app called Sun Day just one week after ...

How long it takes for vitamins and supplements to work depends on factors like the type of vitamin, your diet and hydration, ...

B vitamins, including B1 (thiamine), B6, B12, and folate, are essential for energy production and cell repair. People with ...

Jack Dorsey has launched a beta version of Sun Day, an app that estimates sun exposure time and vitamin D levels using UV index, skin tone, age, clothing, and Apple Health data.