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Sugar Free and Low Fat Diet

Take a walk down any aisle in your local supermarket and you'll see fat-free desserts, low-fat biscuits and calorie-counted ready meals. But while our shopping baskets are full to bursting with these guilt-free foods our waist-lines keep getting bigger.

Enter the trans-fats

Since the 1980s there's been a boom in low-fat products as the message got out that to improve our health, especially heart health, we needed to reduce the amount of saturated fat in our diets. This means cutting back on full-fat dairy foods, red meat and certain processed foods. It's true that fat supplies more than twice the calories per gram of carbohydrates, and saturated fat is the type of fat believed to be primarily responsible for clogging our arteries and increasing cholesterol levels. But, as we came to terms with this unpalatable fact, the food industry got to work replacing the animal fats in their products with unsaturated vegetable oils. Some of the changes they had to make included altering the structure of the vegetable oil so it could be used in the place of solid fats. To do this the food producers used a process called hydrogenation which created a solid or semi-solid fat thought to be more appropriate for their food processing needs.

Unfortunately, we now know these hydrogenated fats increase levels of dangerous trans-fats which are both bad for the heart and our cholesterol. Although trans-fats can be found at low levels in some natural foods these man-made versions meant it was likely we were eating more of them. Since learning of the dangers of trans-fats the food industry and our UK supermarkets have been working hard to reduce levels of them in their products.

Bitter sweet

Jammy heart biscuits

As well as altering the oils used for producing low-fat foods, manufacturers also found they had to increase the amount of sugar in their products so we continued to enjoy their taste and texture. All of this meant that the typical low-fat product tended to be high in carbs, might contain trans-fats and at the end of the day had a very similar calorie count to the original product. In fact, when we eat foods high in carbs especially white refined ones, our bodies digest them more quickly. This can lead to blood sugar swings and cravings making it more difficult to control our overall calorie intake – which means that second or third 'low-fat' biscuit starts to look very tempting! A diet too high in these refined carbs and sugars can be as unhealthy as a high-fat diet because it increases the risk of diabetes, heart disease and causes high cholesterol levels.

Good fats and bad fats

We all need some fat in our diet, not least because it makes our food more palatable and tasty. Nutritionally, fats do more than simply supply calories. Certain fats, like those in nuts, seeds and oily varieties of fish provide essential fatty acids (including the omega-3 variety). These essential fats are important for maintaining healthy blood vessels, making hormones and for the correct functioning of our nervous system. The fat in our diet also helps us absorb certain vitamins, the fat-soluble ones, which include A, D, E and K. Following a very low-fat diet makes you more likely to be low in these vitamins and that can impact your immunity, limit the body's ability to heal itself and have an influence on bone health. It's better to focus your diet on the healthier fats by including more fish, nuts, seeds and vegetable oils including avocado and olive. Here's how to make your meals naturally fat-healthy...

Make sure you're getting good fats

Salmon salad on plate
  • Eat more fish, nuts and seeds – for example, choose salmon instead of bacon for a weekend brunch and snack on unsalted nuts rather than crisps.
  • Trim visible fat from meat.
  • Check labels on food products.
  • Using good-quality unsaturated oils, like walnut or pumpkin, for dipping your bread instead of using spreads.
  • Avoid frying, instead steam, bake, poach or grill.
  • Replace mayo with plain yogurt – just add a squeeze of lemon juice and some mixed herbs, chives work well.
  • Make chips by baking chunky cut potato wedges with a drizzle of rapeseed oil and a sprinkle of paprika.

Reference Intake (RI) – based on the average, moderately active female adult

  • Total fat – 70g
  • Saturates – 20g
  • Sugar – 90g

Reading food labels

Total fat

More than 17.5g per 100g – considered a lot
Less than 3g per 100g – considered a little

Saturates

More than 5g per 100g – considered a lot
1.5g or less per 100g – considered a little

Carbs of which sugar

More than 22.5g per 100g – considered a lot
5g or less per 100g – considered a little


This article was last reviewed on 6th December 2018 by Kerry Torrens.

Kerry Torrens is a qualified Nutritionist (MBANT) with a post graduate diploma in Personalised Nutrition & Nutritional Therapy. She is a member of the British Association for Nutrition and Lifestyle Medicine (BANT) and a member of the Guild of Food Writers. Over the last 15 years she has been a contributing author to a number of nutritional and cookery publications including BBC Good Food.

All health content on bbcgoodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other healthcare professional. If you have any concerns about your general health, you should contact your local healthcare provider. See our website terms and conditions for more information.

Sugar Free and Low Fat Diet

Source: https://www.bbcgoodfood.com/howto/guide/truth-about-low-fat-foods