Overview Zinc is a mineral. It is called an "essential trace element" because very small amounts of zinc are necessary for human health. Since the ...

Overview Echinacea is an herb that is native to areas east of the Rocky Mountains in the United States. It is also grown in western States, as well...

Overview Caffeine is a chemical found in coffee, tea, cola, guarana, mate, and other products. Caffeine is most commonly used to improve mental al...

Overview Andrographis is a plant that is native to South Asian countries such as India and Sri Lanka. The leaf and underground stem are used to mak...

Overview Saw palmetto is a tree. Its ripe fruit is used to make medicine. Saw palmetto is most commonly used for decreasing symptoms of an enlarged...

Overview American ginseng (Panax quinquefolis) is an herb that grows mainly in North America. Wild American ginseng is in such high demand that it ...

Overview Lecithin is a fat that is essential in the cells of the body. It can be found in many foods, including soybeans and egg yolks. Lecithin is...

Overview Thiamine is a vitamin, also called vitamin B1. Vitamin B1 is found in many foods including yeast, cereal grains, beans, nuts, and meat. It...

Overview Vitamin A is a fat-soluble vitamin. It can be found in many fruits, vegetables, eggs, whole milk, butter, fortified margarine, meat, and o...

Overview Ginger is a plant with leafy stems and yellowish green flowers. The ginger spice comes from the roots of the plant. Ginger is native to wa...