What defines something as a micronutrient?

Is Niacin in meat? Do you lose weight by eating frosted mini wheats? Can you still have diarrhea if you are on a liquid diet as you love having diarrhea? What you should not eat if you have ibs? What excersises are good for losing leg fat? What are estrogens and testosterone classified as a protein carbohydrate lipid nucleic acid or starch? What type of foods should a person on a 800 calorie restriction diet eats? How did Amy Shirley lose weight? How many calories is 60 kcal? How do you make paragraph about nutrition month? Is chicken liver a good source of vitamin d? Is a no carb diet good for all body types? Is sugar added to milk during processing to make it more palatable? What happens if you don't get enough Nutrition? How many calories does 908kj equal to? What is nutrient influx? How many calories are in french fries? When consumed regularly what fatty acids help prevent the formation of blood clots? How much water should a 40-45 year old man drink a day? What are esters made from malic acid?