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Diet foods are all healthy, right? Maybe not. We dig into 9 diet foods for weight loss that may be hurting your efforts more than helping.
The weight loss world is packed with mixed information about diet foods.
Quite often what people believe is the truth is quite the opposite of the reality.
The following 9 diet foods for weight loss may not be all they are cracked up to be.
Granola can be healthy if it is made with real ingredients. 
However, it still suffers from the same problems as the majority of other so-called healthy diet foods.
Once food manufacturers began mass producing granola, they made changes that affected the healthy qualities.
While granola does contain some healthy ingredients such as oats and nuts, once you add sugar and oil to it and put it into packaging that encourages overeating, it is no longer healthy.
Summary: All too often granola is highly processed and contains oil and added sugar. This can make it very high in calories.
2. Fruit Juices
We often perceive fruit juice as being a healthy drink. It comes from fruit, after all…or does it?
Unfortunately, it doesn’t always come from real fruit. Sometimes what is called “fruit juice” is nothing more than just fruit-flavored sugar water. 
Even if you do manage to find real, 100-percent fruit juice, you shouldn’t drink it—at least not on a regular basis.
The problem with fruit juice is while it may be like fruit, it often has most of the good stuff removed. 
While fresh fruit do contain sugar, it is contained within the fibrous cell walls thus slowing the release of the sugar into the bloodstream.
Fruit juice is different. It doesn’t contain any fiber, chewing resistance, or anything to stop you from consuming a significant amount of sugar in a short amount of time.
The sugar content in fruit juice is quite similar to what you find in sugary beverages like soda. 
If you’re trying to lose weight, eat whole fruit and avoid fruit juices.
Summary: Fruit juice is extremely high in sugar but lacks fiber. It is easy to consume significant amounts of sugar by drinking fruit juice making it one of those diet foods for weight loss that may not help with weight loss at all.
3. “Organic” Processed Foods
Organic whole foods are excellent sources of vitamins and nutrients, but the same cannot be said for processed organic foods.
All you should do is look at the list of ingredients on the nutrition labels for these natural “healthy” meal replacement choices. There is little difference between the organic variety and other processed diet foods.
While they might contain organic cane sugar instead of regular sugar, the organic sugar is not nutritionally different than regular sugar. Your liver and other organs will not know the difference.
The best choice is single ingredient foods (organic if your budget allows it) but avoid organic processed diet foods.
Summary: Even though it’s healthy to eat organic whole diet foods for weight loss, organic processed diet foods are made with a variety of unhealthy ingredients such as sugar.
4. Low Fat Yogurt
Quite often yogurts are considered healthy diet foods for weight loss.
The problem is the majority of yogurt in grocery stores is low-fat yogurt which is technically just a processed variety that is not healthy. 
Diet foods taste horrible when manufacturers remove the fat. This is the reason they add a ton of other stuff to compensate for the lack of fat and taste. 
When it comes to yogurt they usually add sugar, high fructose corn syrup and some artificial sweetener.
There is also no evidence that shows dairy fat is a contributory factor in obesity.
One study found that individuals who ate the largest amount of high-fat dairy products were less likely to become obese or overweight than those who ate the low-fat options. 
What this means is you should eat full-fat yogurt and avoid the low-fat version altogether.
Summary: Low-fat yogurt is a variety from which manufacturers have removed the healthy ingredients (dairy fat) but replaced it with elements that are worse, such as sugar.
5. Whole Wheat Bread
Whole wheat is recommended as a healthy alternative to refined wheat.
It is true that whole wheat is not as bad for you as refined wheat.
However, one of the biggest problems with the majority of whole grain diet foods for weight loss is they are not made from actual whole grains. This is just something marketers use to make sales.
In most cases, the grains have been crushed into a very fine flour that is just as easy to digest and causes increases in blood sugar just as fast as refined grains. 
Other than some additional fiber and nutrients, there is not much of a difference between eating whole wheat or white bread once it enters your system.
Also, there are no nutrients in wheat whether whole or refined that you cannot obtain from other food sources.
There are other grains that are healthy for those people who don’t have a sensitivity to them, but this does not include wheat. 
Summary: Contrary to what we have been told, whole wheat bread is not usually made with whole grains. In some cases it can cause blood sugar to rise just as quickly as white bread and is a contributory factor in various health problems.
6. Breakfast Cereals
Those cereals that are called “healthy” cereals may be the diet foods for weight loss to skip when starting off your day. 
When you begin your day eating processed cereal, your blood sugar and insulin level increases.
This blood sugar roller coaster is quite familiar to people who consume high-carb diets, the opposite of plans like Atkins 20.
When eating breakfast, choose something unprocessed, that includes protein such as eggs and vegetables. 
If you must eat cereal for your morning meal, choose one that is free of added sugar or refined grains. 
Summary: Some breakfast cereals contain an added sugar and refined carbs. These are not only fattening, but also unhealthy.
7. Trail Mixes
Trail mixes usually contain a variety of peanuts, dried fruit, nuts and sometimes chocolate and grains. 
This is an excellent choice when you require a big boost of energy. 
However, under normal circumstances, the majority of people today are not suffering from a lack of energy.
Trail mixes contain a great deal of carbs and fat, an unhealthy combination when you are trying to lose weight. 
The dried fruit contains added sugar while the nuts contain a high amount of fat.
What this amounts to is: trail mixes are healthy snacks as long as you limit the amount you eat at one time.
Summary: Trail mixes contain a significant amount of energy and are excellent snack choices for those who need extra calories. However, they contain lots of carbs and fats that are not a healthy combination if you’re looking for diet foods for weight loss.
8. Salad Dressings
This means, in most cases, salads are perfect diet foods for weight loss.
However, many people don’t like the taste of vegetables without additional flavor, so they add salad dressing to improve the taste.
The best choice is to make your own salad dressing. Make something with extra virgin olive oil, vinegar and then add some spices.
Salad dressings can be very high in calories, and it is very easy to overdo it. This can be a major problem for those trying to lose weight.
Summary: The majority of commercial salad dressing contain many unhealthy ingredients, like soybean oil and high fructose corn syrup. The best choice is to make your own.
9. Diet Foods and Diet Soft Drinks
One of the easiest changes many people can make is the replacement of sugary beverages with diet soda.
This is effective in the reduction and sugar and calories for those trying to lose weight.
However, studies don’t support the premise that drinking diet soda helps with weight loss.
Those who drink diet soda do not actually lose any more weight. 
This may happen because artificial sweeteners sometimes stimulate appetite.
Keep this in mind, many people can lose weight if they drink diet soda, but that is more than likely because they are also changing other things.
The thing to keep in mind here is this: it depends on the individual. Switching to diet soda without making other changes is not likely to make any difference and may even work negatively for some people.
Summary: Beverages that contain artificial sweeteners contain no sugar or calories. However, according to some studies, they can stimulate the appetite. You may also consider checking the label on drinks like Slimfast. The sugar content is often much higher than you think it is.
What’s the Bottom Line on Diet Foods for Weight Loss?
There are diet foods for weight loss out there offering a fantastic source of vitamins and nutrients. But, not every food you think is healthy is healthy. Diet foods for weight loss should be packed with nutritious calories, real whole grains and plenty of bang for their calorie buck.
Summer Banks, a content strategist at Dietspotlight, has researched over 5000 products in the past 10 years. She has years of nursing training, experience as a manager responsible for 15 supplement brands, and completed coursework on Food and Nutrition from Stanford University. full bio.