Calories from Fat

As human, we get calories from various food sources such as protein, fat and carbohydrate. Therefore, the term "calories from fat" indicates the percentage of calories that is found in a serving or portion size of food originated from fat. These fats are not from carbohydrates or protein.

Researchers have studied and compared different sources for calorie intake. Two studies published in 2007, in the journal "Obesity" discuss this issue. The studies observe that a person who consumes calories from trans-fats in large quantity has more chance of gaining weight if compared to another person who is consuming calories from other sources. These other sources of calories include fats from other types or from carbohydrates or proteins.

Calorie content is crucial in evaluating a food product. Therefore, it is necessary that as a consumer you properly understand the food label and retrieve calorie information from it. You need to know what to aim for in case you’re going to choose a food product. You also need answers of questions like “A serve size contains how many calories?” etc. When you get the answers of these questions then it becomes easier for you to select the better, healthier food among many. For example, nutritional information for 100g serve of a product is one thing but selling that same product in 200g per pack is another thing. However, in this case, the manufacturer is mentioning the nutritional value for 100g in the label of the pack of 200g. They want to show a product seem healthier to consumer. But in reality you are consuming more calories here than required, but unknowingly.


Calories And Fat-derived Calories

There is a list of information on calories in food label. This list shows calorie content of a portion or serve of that food product. It also shows how much of that calorie comes from fat and how much of that calorie comes from sugar ingredients. In this way, we can actually say if a food product is high or low in fat or sugar. It is important to note that not all fats are bad. There are unsaturated fats that might be present in the food product. This type of fat is beneficial for body. If you want to determine the type of fat in food product, then you’ve to check nutrient values further down on food label. If you see that an item has low amount of calories derived from fat, but looks to have high number of calories, then you’ve to check sugar content. The recommended fat based calorie consumption for a healthy adult person is 20 to 35 percent of total calories in a single day. The U.S. Institute of Medicine has set this standard. Another thing is that, 1 gram of fat contains 9 calories.



Fat-based Calories And Carbohydrate-based Calories

Instead of focusing on calorie sources i.e. fat, carbohydrates or protein, you should think about total calories and fat consumption. In this regard, you can refer to the "Time" magazine article that was published in July 2008. That article quoted Walter Willett who was the chairperson at that time of the department of nutrition in Harvard School of Public Health. He said, "It's pretty clear that the source of the calories is really not important."

Fat-based Calories and Total Calories

It is important that you calculate the total number of calorie intake from a portion size of food. If the total calorie content of a food is low while the fat-based calorie content in that food is in high percentage then you can consider that food as good for your health. As an example, think of a food that has 60 calories per serving size. Now if you see that 60 percent of those calories are coming from fat in that food, then it indicates that there is only 4 g of fat in a portion size. This is good for weight loss and belly fat controlling.



As a consumer, you’ve to be particularly careful about the fat type that are producing calorie for you. In fact, it is a matter of concern and caution indeed. This caution is for percentage of calories that are being produced from trans-fats. Consumption of trans-fats causes greater weight gain if you compare it with your consumption of other kinds of fats. "Obesity" magazine had published a study in 2007 in this regard. Kylie Kavanagh did the study. He was then working at Wake Forest University School of Medicine. Along with others, he found that male test monkeys that were fed with diet high in trans-fats gained 7.2 percent of body weight over the course of six years. But for the same period of time, the other types of test monkeys that were fed with low trans-fats diet, gained about 1.8 percent of body weight. This study clearly showed the negative impact of trans-fats on weight and fat controlling.

Last update: March 02, 2017 08:45:26 pm

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