Some supplements work better when you take them at certain times. Learn more about how to maximize the effectiveness of iron, ...

Collagen powders, capsules, or drinks — which form works best? Compare the benefits, costs, and effectiveness of collagen supplements for healthier joints and skin.

Taking calcium and vitamin D supplements together is likely safe but not necessary if you eat a balanced diet. Both are ...

Timing matters when it comes to supplements. Some vitamins are best taken with meals, while others work better on an empty ...

Medically reviewed by Leigh Weddle, PharmD Water-soluble vitamins, like B vitamins and vitamin C, can be taken anytime, with or without food.Fat-soluble vitamins, such as vitamins D, A, E, and K, ...

Collagen has become a popular supplement that may help with skin, bone and joint health. Taking it at different times during the day may offer diverse benefits. Collagen supplements are generally safe ...

Editor’s note: The podcast Chasing Life With Dr. Sanjay Gupta explores the medical science behind some of life’s mysteries big and small. You can listen to episodes here. But exactly how many things ...