The following sources to help with your project:

CDC Nutrition for Everyone: info on basic nutrients


Nutrition A-Z: Harvard School of Public Health


MedlinePlus: food and nutrition topics page, National Institutes of Health


USDA Food and Nutrition Information Center: dietary guidelines page – What’s in Food: nutrients except water




Search words: human nutrition

I know everyone loves Google. If you do a Google search, please do an intelligent one. Type this into the search box: key words


Examples: carbohydrates nutrition water


This will give you nutrition information from government health sources.