# Macronutrients
- We need a larger amount
- Provides Calories
## Carbs
- Provides 4 calories per gram
## Protein
- Provides 4 calories per gram
## Lipids/Fats
- Provides 9 calories per gram
# Micronutrients
- Smaller Amounts
- Don't provide calories
## Vitamins
## Minerals

## Water
- Not a macro or micronutrient, but still one of the 6 major nutrition groups
## Alcohol
- While not in a food group, provides 7 calories per gram

# Digestive System
1. Mouth
2. 

# DRI (Dietary Reference Intakes)
## EAR
## RDA
## AI
## UL
## AMDR
## EER