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Calorie Facts

• Calories - The unit that represents how much energy food contains.
• Carbohydrates - Main function is to provide energy. They contain 4 calories/gram. All Carbohydrates break down into glucose. There are two types of carbs: Simple and Complex. They can be determined with the Glycemic Index.
• Fats - Main responsibility is to promote healthy cell function. Used as a source of energy and contain 9 calories/gram. There are two types of fats: Saturated and Unsaturated.
• Proteins - Main function is to repair muscles and tissue. Protein is a source of energy. They contain Branch Chain Amino Acids (building blocks of protein). They contain 4 calories/gram.

 

What is a Calorie?

Calories are what make up the content of food. To us, a calorie is the unit that represents how much energy food contains. Fats, Carbohydrates, Protein, and Alcohol make up the value of a calorie; they are called macro-nutrients.

Hot Tip: 3500 calories equals 1 pound! To lose 1lb of fat, you must burn of an excess of 3500 calories.

Fats have 9 calories/gram, Carbs have 4 calories/gram, Proteins have 4 calories/gram of fat, and Alcohols have 7 calories/gram.

Using that information, let’s calculate something. Let’s take 1 cup of whole mik for example. 1 cup of whole milk has 150 calories, 8 grams of fat, 12 grams of carbohydrates, and 8 grams of protein. To arrive at the value of 150 calories, we calculate some simple math.

Total Fat 8g: 8 grams * 9 calories/gram = 72 calories from fat

Total Carbohydrate 12g: 12 grams * 4 calories/gram = 48 calories from carbohydrates

Protein  8g: 8 grams * 4 calories/gram = 32 calories from protein

72 calories from fat + 48 calories from carbs + 32 calories from protein = 152 calories = ~150 calories

 

Macro-Nutrients

Proteins

• Used for energy
• Contain Amino Acids (the building blocks of protein)
• Contain 4 calories/gram
• Used to repair muscles and tissue

Carbohydrates

• Used as the main source of energy
• 2 Types: Complex and Simple
• Contain 4 calories/gram
• All carbs break down into gluclose (simple sugar).

Fats

• Used for energy
• 2 Types: Saturated and Unsaturated
• Contain 9 calories/gram
• Responsible for healthy cell function

Alcohol

• Has no nutritional value
• Contains 7 calories/gram