What is a vitamin and a mineral? A mineral is a solid element or chemical compound that has been a result form geological processes. A vitamin is a group of organic compounds that are required in small quantities in one's diet because they can't be synthesized by the body.
Definition of water-soluble and fat-soluble. A water soluble is a vitamin or mineral's ability to dissolve in water. Fat soluble is the lack of ability for a vitamin or mineral to be ability to dissolve in the body.
Statement of whether your substance is a vitamin or mineral. Chromium is considered a mineral due to its geological form and its chemical like substances.
What is your substance? Chromium is a mineral in which is used in small amounts for normal body functions in order to stay in a healthy state.
What function does your substance serve in the body? Chromium helps in the digesting process of food.
What foods are good sources for this substance? Foods that have chromium within their properties vary from: brewer's yeast, meats, potatoes (skin), cheeses, molasses, spices, whole-grain breads and cereals, and fresh fruits. Also tap water has a good source of chromium.
What are your daily needs for this substance? Some researchers suggest that 1,000 micrograms a day should be considered the upper limit.
What happens if you consume too much of this substance. If you consume too much of chromium within your diet this can lead to stomach problems and low blood sugar. Also the liver, kidneys, nerves, and irregular heart rhythm are also results of too much consumption.
What happens if you consume too little of this substance. If you consume too little of chromium you will have a increased chance of glaucoma in which will affect you eyes.
Cites: http://www.webmd.com/digestive-disorders/tc/chromium-topic-overview#1, https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#safe=strict&q=how+much+chromium+do+you+need+in+a+diet&*, and http://www.webmineral.com/Mineral_Definition.shtml#.WMGXoPkrLIU