Preliminary new research suggests vitamin D can slow aging in cells across the body. Chief Medical Officer Sohaib Imtiaz breaks it down.

Cold brew generally has more caffeine and is less acidic, but which is better comes down to a matter of taste.

Research suggests that sunscreen use does not lead to low vitamin D levels. It is recommended that vitamin D be obtained through dietary sources and, if necessary, vitamin D supplements.

Tea contains antioxidants and other powerful plant compounds that can help reduce the risk of disease and help you live a ...

Common iron supplement side effects include gastrointestinal problems, decreased zinc absorption and interaction with certain ...

Pumpkin seeds as a bedtime snack, oats vs. chia for a powerful breakfast, and artificial sweeteners and dementia. Here's what ...

A study showed that moderately spicy meals led participants to eat 11% to 18% less food without reducing enjoyment. Capsaicin may boost metabolism and reduce inflammation, but it is unlikely to cause ...

Foods like tart cherries, grapes, and pistachios contain melatonin, but usually in lower amounts than supplements. Melatonin ...

Salt is eliminated from the body in urine in 1 to 3 days. Cutting back on salt, drinking water, and exercising may improve sodium excretion and blood pressure.

Bloating and water retention can happen when you first start taking creatine supplements. Learn how to deal with these side ...

Find out which commonly misunderstood foods are actually healthy, packed with nutrients, and can support your overall ...

Learn the best time to eat fish or take omega-3s for heart and brain health, and why pairing with meals boosts absorption.