Overview Guarana is a plant. It is named for the Guarani tribe in the Amazon, who used its seeds to brew a drink. Today, guarana seeds are still us...

Overview Feverfew is a plant that is native to Asia Minor and the Balkans, but is now common throughout the world. Feverfew leaves are normally dri...

Overview Chromium is a mineral. It is called an "essential trace element" because very small amounts of chromium are necessary for human health. Th...

Overview Vitamin D is required for the regulation of the minerals calcium and phosphorus found in the body. It also plays an important role in main...

Overview Vitamin B12 is an essential vitamin. This means that the body requires vitamin B12 to work properly. Vitamin B12 can be found in foods suc...

Overview Medium chain triglycerides (MCTs) are partially man-made fats. The name refers to the way the carbon atoms are arranged in their chemical ...

Overview Iron is a mineral. Most of the iron in the body is found in the hemoglobin of red blood cells and in the myoglobin of muscle cells. Iron i...

Overview Chlorella is a type of algae that grows in fresh water. The whole plant is used to make nutritional supplements and medicine. Most of the ...

Overview Reishi mushroom is a fungus. Some people describe it as "tough" and "woody" with a bitter taste. The above-ground part and portions of the...

Overview Copper is a mineral. It is found in foods such as organ meats, seafood, nuts, seeds, wheat bran cereals, grain products, and cocoa product...