Fat is the one that contains 9 calories per gram.
Foods contain fats, carbohydrates and proteins. These nutrients provide energy and this energy is measured in kilocalories. Vitamin A is also a nutrient but it is not a fat, carbohydrate or protein. It is not measured in kilocalories. So, the answer to your question is that vitamin A contains 0 grams of kilocalories.
No, not all food contains all the nutrients.
The amount of energy released when nutrients are burned can vary depending on the type of nutrient. On average, one gram of carbohydrate releases about 4 kilocalories of energy, one gram of protein releases about 4 kilocalories, and one gram of fat releases about 9 kilocalories. This energy is utilized by the body for various functions such as metabolism, physical activity, and maintaining body temperature.
There are 4 kilocalories in 1 gram of protein.
Potassium, fiber, protein, iron, magnesium, and carbohydrates.
Meat does contain protein
4 kilocalories/gram
4 for each gram.
Starch
Protein is the most known vitamin. (there are probably more but protein is most known)
Fat has 9 kilocalories per gram. Carbohydrates and protein both have 4 kilocalories per gram, and alcohol has 7 kilocalories per gram.
vitamins, minerals, carbohydrates, fat and protein