Some supplements should be taken on an empty stomach, while others require food. Learn which supplements should be taken with ...

"Your body needs to get the right nutrients from the food you eat to help you lose weight effectively. When your gut absorbs vitamins, minerals, and other nutrients well, it helps your body turn food ...

Melanin—and specifically, the form called eumelanin—is the primary pigment that gives humans the coloring of their skin, hair, and eyes. It protects the body from the hazards of ultraviolet and other ...

About 2.5 billion years ago, a pigment called chlorophyll appeared in single-celled organisms, allowing them to capture energy in the form of light and convert it into sugars. This biochemical trick, ...

Caffeine is a natural stimulant. Some studies claim it interferes with the absorption of iron, but research is mixed. In addition to helping you start your day in the morning, consuming caffeine has ...

Your body absorbs heme iron from meat, fish, and poultry more easily than non-heme iron from plant foods. Heme iron is absorbed at rates up to 40%, while non-heme iron is absorbed much less ...