Fats provide around 9 calories per gram with Proteins and Carbohydrates supplying about 4 calories per gram each.
Alcohol is the second highest provider of calories on a per weight basis. Alcohol will provide around 7 calories per gram. Not only that but your body will burn the alcohol first in preference to fat. This means that the fat gets stored away in all those places that you do not want it stored away in.
The answers is fats supply the most calories per gram.
fats supply the most calories per gram
Fats generally supply the most energy per gram in our diet. They provide 9 calories per gram, while carbohydrates and proteins provide 4 calories per gram. In your lunch, foods high in fats such as nuts, seeds, avocado, or fatty fish would supply the most energy per gram.
In food, there are three macronutrients that provide energy. They are fat, carbohydrates, and protein. Fat is the nutrient that provides the greatest amount of energy at nine calories per gram. Protein and carbohydrates provide only four calories per gram.
Fats
Fat supplies the most calories per ounce, with 9 calories per gram. This is more than double the calories provided by carbohydrates and protein, which each supply 4 calories per gram.
Fats provide the most energy per gram, with 9 calories per gram compared to 4 calories per gram for both carbohydrates and proteins. This is why fats are an efficient source of energy for the body.
According to the Nutrition Facts label on many food products, Fats can supply 9 calories of energy per gram, carbohydrates and proteins have 4 calories per gram. It would therefore make sense to say humans get most of their energy from fats they eat. However, in the United States, most peoples diet is largely of carbohydrates: breads, cakes, donuts, pasta, etc. Many foods have added sweeteners such as sugar and corn syrup. So the reality is that most peoples diets and energy comes from carbohydrates and what isn't used as energy is converted to and stored in the body as fat.
Most human females do quite well on a diet of 2000 calories, but choose your calorie sources wisely. Eat proteins (4 calories per gram) and carbs (4 calories per gram), but limit fats (9 calories per gram). A little exercise is good too!
the Carbohydrate because for ever one gram of carbohydrate it give you four calories of energy. While the other five nutrients provides you with 3 calories 1 and 1.5. Fats because fats contain the most calories and calories give you a lot of energy
Fat: 1 gram = 9 calories Protein: 1 gram = 4 calories Carbohydrates: 1 gram = 4 calories Alcohol: 1 gram = 7 calories as far as energy density, fats have more calories. fat and protein are very slowly digested so not a good source of quick energy. foods like grains and pasta are good for quick energy.
Fats (lipids) contain the most energy per gram compared to proteins and carbohydrates. While proteins and carbohydrates provide 4 calories per gram, fats provide 9 calories per gram. So, gram for gram, fats contain more than twice the energy of proteins and carbohydrates.